{"product_id":"bluetti-b500k-expansion-battery-5-120wh","title":"Bluetti B500K Expansion Battery 5,120Wh","description":"\u003cstyle\u003e\n.bluetti-b500k-pd {\n  --ink: #000000;\n  --ink-2: #141414;\n  --paper: #FFFFFF;\n  --paper-2: #F7F7F7;\n  --text: #000000;\n  --text-light: #FFFFFF;\n  --muted: #5C5C5C;\n  --accent: #246AAF;\n  --accent-deep: #246AAF;\n  --accent-2: #36AF24;\n  --line: #E2E2E2;\n  --radius: 16px;\n  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n  --font-mono: 'Space Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;\n  font-family: var(--font-body) !important;\n  color: var(--text) !important;\n  opacity: 1 !important;\n  background: var(--paper);\n  line-height: 1.65;\n  font-size: 16px;\n  border: 1px solid var(--line);\n  border-radius: var(--radius);\n  overflow: hidden;\n  box-shadow: 0 18px 44px rgba(23,20,15,0.10);\n}\n.bluetti-b500k-pd, .bluetti-b500k-pd *, .bluetti-b500k-pd *::before, .bluetti-b500k-pd *::after { box-sizing: border-box; }\n.bluetti-b500k-pd h2, .bluetti-b500k-pd h3, .bluetti-b500k-pd h4, .bluetti-b500k-pd p, .bluetti-b500k-pd ul, .bluetti-b500k-pd table, .bluetti-b500k-pd li, .bluetti-b500k-pd td, .bluetti-b500k-pd summary {\n  margin: 0; padding: 0;\n  font-family: var(--font-body) !important;\n  color: var(--text) !important;\n  opacity: 1 !important;\n  transform: none !important;\n  filter: none !important;\n  visibility: visible !important;\n}\n.bluetti-b500k-pd ul { list-style: none; }\n.bluetti-b500k-pd table { border-collapse: collapse; width: 100%; }\n.bluetti-b500k-pd svg { display: block; }\n\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Space+Grotesk:wght@500;600;700\u0026family=Inter:wght@400;500;600\u0026family=Space+Mono:wght@400;700\u0026display=swap');\n\n\/* Hero — light, stat-forward, opposite of the dark BigBattery hero *\/\n.b5k-hero { padding: 50px 32px 34px; background: var(--paper); }\n.bluetti-b500k-pd .b5k-eyebrow { font-family: var(--font-mono) !important; font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-deep) !important; margin-bottom: 18px !important; }\n.bluetti-b500k-pd .b5k-hero h2 { font-family: var(--font-display) !important; font-size: clamp(28px, 4.6vw, 44px); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; max-width: 16ch; margin-bottom: 18px !important; color: var(--text) !important; }\n.bluetti-b500k-pd .b5k-lead { font-size: 17px; max-width: 62ch; color: var(--muted) !important; margin-bottom: 0 !important; }\n\n\/* Blocks divider — signature motif *\/\n.b5k-blocks { padding: 2px 32px; display: flex; gap: 6px; align-items: flex-end; height: 22px; }\n.b5k-blocks span { display: block; background: var(--accent); border-radius: 3px; flex-shrink: 0; }\n\n\/* Stats *\/\n.b5k-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }\n.b5k-stat { background: var(--paper); padding: 22px 14px; text-align: center; }\n.b5k-stat .num { display: block; font-family: var(--font-display) !important; font-size: 22px; font-weight: 700; color: var(--text) !important; }\n.b5k-stat .label { display: block; font-size: 11.5px; color: var(--muted) !important; margin-top: 5px; text-transform: uppercase; letter-spacing: 0.06em; font-family: var(--font-mono) !important; }\n@media (max-width: 640px) { .b5k-stats { grid-template-columns: repeat(2,1fr); } }\n\n\/* Configuration cards (bundle contents) *\/\n.b5k-config { padding: 38px 32px; background: var(--paper); }\n.b5k-config h3 { font-family: var(--font-display) !important; font-size: 24px; font-weight: 700; margin-bottom: 8px !important; letter-spacing: -0.01em; }\n.bluetti-b500k-pd .b5k-config-sub { color: var(--muted) !important; font-size: 14px; margin-bottom: 22px !important; }\n.b5k-config-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }\n.b5k-config-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }\n.b5k-config-card svg { width: 24px; height: 24px; color: var(--accent-deep) !important; margin-bottom: 12px; }\n.bluetti-b500k-pd .b5k-config-card .qty { font-family: var(--font-mono) !important; font-size: 12px; color: var(--accent-deep) !important; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px !important; }\n.bluetti-b500k-pd .b5k-config-card h4 { font-family: var(--font-display) !important; font-size: 16px; font-weight: 700; margin-bottom: 7px !important; }\n.bluetti-b500k-pd .b5k-config-card p { font-size: 13px; color: var(--muted) !important; }\n@media (max-width: 640px) { .b5k-config-grid { grid-template-columns: 1fr; } }\n\n\/* Features *\/\n.b5k-features { padding: 44px 32px; background: var(--paper-2); }\n.b5k-features h3, .b5k-specs h3, .b5k-box h3, .b5k-expand h3, .b5k-faq h3 { font-family: var(--font-display) !important; font-size: 24px; font-weight: 700; margin-bottom: 24px !important; letter-spacing: -0.01em; color: var(--text) !important; 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}\n@media (max-width: 860px) { .b5k-feature-grid { grid-template-columns: repeat(2,1fr); } }\n@media (max-width: 480px) { .b5k-feature-grid { grid-template-columns: 1fr; } }\n\n\/* Narrative — dark, inverted from BigBattery's light-features\/dark-narrative rhythm reused here *\/\n.b5k-narrative { padding: 46px 32px; background: var(--ink); color: var(--text-light); }\n.bluetti-b500k-pd .b5k-narrative h3 { color: #fff !important; }\n.bluetti-b500k-pd .b5k-narrative p { max-width: 70ch; color: #DADADA !important; margin-bottom: 15px !important; font-size: 15.3px; }\n.b5k-narrative p:last-child { margin-bottom: 0 !important; }\n\n\/* Specs *\/\n.b5k-specs { padding: 44px 32px; background: var(--paper); }\n.b5k-specs-block { margin-bottom: 32px; }\n.b5k-specs-block:last-child { margin-bottom: 0; }\n.bluetti-b500k-pd .b5k-specs-block-title { font-family: var(--font-display) !important; font-size: 16px; font-weight: 700; color: var(--accent-deep) !important; margin-bottom: 14px !important; }\n.b5k-spec-groups { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px 32px; }\n.bluetti-b500k-pd .b5k-spec-group h4 { font-family: var(--font-mono) !important; font-size: 12px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent-deep) !important; margin-bottom: 11px !important; padding-bottom: 9px; border-bottom: 2px solid var(--ink); }\n.b5k-spec-group td { padding: 7px 0; font-size: 13.3px; border-bottom: 1px solid var(--line); vertical-align: top; }\n.b5k-spec-group tr:last-child td { border-bottom: none; }\n.b5k-spec-group td:first-child { color: var(--muted) !important; width: 56%; padding-right: 10px; }\n.b5k-spec-group td:last-child { font-family: var(--font-mono) !important; font-weight: 700; text-align: right; }\n@media (max-width: 700px) { .b5k-spec-groups { grid-template-columns: 1fr; } }\n\n\/* What's in the box *\/\n.b5k-box { padding: 40px 32px; background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }\n.b5k-box-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px 24px; max-width: 640px; }\n.b5k-box-list li { display: flex; justify-content: space-between; gap: 12px; font-size: 13.8px; padding: 10px 0; border-bottom: 1px solid var(--line); }\n.bluetti-b500k-pd .b5k-box-list li span.n { color: var(--muted) !important; }\n.bluetti-b500k-pd .b5k-box-list li span.q { font-family: var(--font-mono) !important; font-weight: 700; color: var(--accent-deep) !important; flex-shrink: 0; }\n\n\/* Expansion \/ accessories *\/\n.b5k-expand { padding: 40px 32px; background: var(--paper); }\n.bluetti-b500k-pd .b5k-expand \u003e p { max-width: 70ch; color: var(--muted) !important; margin-bottom: 22px !important; font-size: 14.8px; }\n.b5k-expand-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }\n.b5k-expand-card { background: var(--paper-2); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }\n.bluetti-b500k-pd .b5k-expand-card h4 { font-family: var(--font-display) !important; font-size: 14.5px; font-weight: 600; margin-bottom: 6px !important; }\n.bluetti-b500k-pd .b5k-expand-card p { font-size: 13px; color: var(--muted) !important; }\n@media (max-width: 700px) { .b5k-expand-grid { grid-template-columns: 1fr 1fr; } }\n@media (max-width: 480px) { .b5k-expand-grid { grid-template-columns: 1fr; } }\n\n\/* FAQ *\/\n.b5k-faq { padding: 44px 32px; background: var(--paper-2); }\n.b5k-faq details { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 3px 20px; margin-bottom: 10px; }\n.b5k-faq summary { cursor: pointer; font-weight: 600; font-family: var(--font-display) !important; font-size: 15px; padding: 16px 26px 16px 0; list-style: none; position: relative; }\n.b5k-faq summary::-webkit-details-marker { display: none; }\n.b5k-faq summary::after { content: '+'; position: absolute; right: 0; top: 13px; font-size: 20px; color: var(--accent-deep) !important; font-family: var(--font-mono) !important; }\n.b5k-faq details[open] summary::after { content: '\\2013'; }\n.b5k-faq details p { padding: 0 0 17px; color: var(--muted) !important; font-size: 13.8px; max-width: 70ch; }\n\n\/* Footer *\/\n.b5k-footer { padding: 26px 32px; background: var(--ink); color: var(--text-light); }\n.bluetti-b500k-pd .b5k-warranty { font-size: 14px; color: var(--text-light) !important; }\n.bluetti-b500k-pd .b5k-warranty strong { color: var(--accent) !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"bluetti-b500k-pd\"\u003e\n\u003c!-- ============ HERO ============ --\u003e\n\u003csection class=\"b5k-hero\"\u003e\n\u003cp class=\"b5k-eyebrow\"\u003eBLUETTI B500K · Universal Expansion Battery · 5,120Wh\u003c\/p\u003e\n\u003ch2\u003e5,120Wh That Works With Nearly Every BLUETTI Power Station\u003c\/h2\u003e\n\u003cp class=\"b5k-lead\"\u003eThe B500K is a 5,120Wh LiFePO₄ expansion battery built for universal compatibility — Apex 300, AC300, AC500, AC200L, AC200MAX, and upcoming models all work with it, rather than being locked to one specific system. Rated for over 4,000 cycles (roughly a decade of use), it scales up to 100kWh combined, mounts to a wall or rack, and pairs with BLUETTI's SolarX 4K and Hub D1 accessories for a more connected setup.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"b5k-blocks\"\u003e\n\u003cspan style=\"width: 14px; height: 14px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 20px; height: 20px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 14px; height: 10px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 26px; height: 16px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 10px; height: 8px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 18px; height: 14px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 14px; height: 20px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 22px; height: 12px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 10px; height: 16px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 16px; height: 8px;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- ============ STATS ============ --\u003e\n\u003csection class=\"b5k-stats\"\u003e\n\u003cdiv class=\"b5k-stat\"\u003e\n\u003cspan class=\"num\"\u003e5,120Wh\u003c\/span\u003e\u003cspan class=\"label\"\u003eCapacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-stat\"\u003e\n\u003cspan class=\"num\"\u003e4,000+\u003c\/span\u003e\u003cspan class=\"label\"\u003eCycle Life\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-stat\"\u003e\n\u003cspan class=\"num\"\u003e100kWh\u003c\/span\u003e\u003cspan class=\"label\"\u003eMax Scalable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-stat\"\u003e\n\u003cspan class=\"num\"\u003e~10 Years\u003c\/span\u003e\u003cspan class=\"label\"\u003eEstimated Lifespan\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ CONFIGURATION ============ --\u003e\n\u003csection class=\"b5k-config\"\u003e\n\u003ch3\u003eWorks With Nearly Everything\u003c\/h3\u003e\n\u003cp class=\"b5k-config-sub\"\u003eBLUETTI's own \"Universal Compatibility\" positioning — one battery, multiple power station platforms.\u003c\/p\u003e\n\u003cdiv class=\"b5k-config-grid\"\u003e\n\u003cdiv class=\"b5k-config-card\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"currentColor\"\u003e\u003cpath d=\"M13 2 4 14h6l-1 8 9-12h-6l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cp class=\"qty\"\u003ePortable\u003c\/p\u003e\n\u003ch4\u003eApex 300\u003c\/h4\u003e\n\u003cp\u003eExtends the Apex 300 platform's already-modular capacity further.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-config-card\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"2\" y=\"8\" width=\"17\" height=\"9\" rx=\"2\"\u003e\u003c\/rect\u003e\u003crect x=\"19\" y=\"11\" width=\"2.5\" height=\"3\" rx=\"1\" fill=\"currentColor\" stroke=\"none\"\u003e\u003c\/rect\u003e\u003crect x=\"5\" y=\"10.3\" width=\"4\" height=\"4.4\" rx=\"0.6\" fill=\"currentColor\" stroke=\"none\"\u003e\u003c\/rect\u003e\u003c\/svg\u003e\n\u003cp class=\"qty\"\u003eCommercial\u003c\/p\u003e\n\u003ch4\u003eAC300 \/ AC500\u003c\/h4\u003e\n\u003cp\u003eWhole-home and small commercial backup platforms with real expansion headroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-config-card\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"3\" y=\"5\" width=\"18\" height=\"12\" rx=\"1.5\"\u003e\u003c\/rect\u003e\u003cpath d=\"M8 20h8M12 17v3\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cp class=\"qty\"\u003eRV \/ Home\u003c\/p\u003e\n\u003ch4\u003eAC200L \/ AC200MAX\u003c\/h4\u003e\n\u003cp\u003ePopular mid-size power stations, plus BLUETTI's stated support for upcoming models too.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ FEATURES ============ --\u003e\n\u003csection class=\"b5k-features\"\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/3840_1920_3x-1763461443691-a5e8.webp?v=1786388588\" alt=\"A collage highlights BLUETTI batteries, including the robust Bluetti B500K Expansion Battery with a 5,120Wh capacity: delivers secure energy storage with 4,000+ charge cycles, wall-mount ready design, 4-year warranty, and versatile charging options.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/A_11_3840_1920_3x_3_-1768207431267-6295.webp?v=1786388606\" alt=\"Diagram of Bluetti battery modules—including the Bluetti B500K Expansion Battery 5,120Wh (B500K), B300K, and B300—and adapters (P090A, CA90, P150D) illustrating various connection options and combinations for powering your portable power station. This guide demonstrates how to pair your Bluetti B500K Expansion Battery 5,120Wh or other Bluetti battery models for a versatile and dependable energy solution.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003eWhat Makes the B500K Different\u003c\/h3\u003e\n\u003cdiv class=\"b5k-feature-grid\"\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"currentColor\"\u003e\u003cpath d=\"M13 2 4 14h6l-1 8 9-12h-6l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003e5,120Wh Per Unit\u003c\/h4\u003e\n\u003cp\u003eSubstantial capacity added to whatever BLUETTI power station it's paired with.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M4 7h13M13 3l4 4-4 4M20 17H7M11 21l-4-4 4-4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003eUniversal Compatibility\u003c\/h4\u003e\n\u003cp\u003eWorks with Apex 300, AC300, AC500, AC200L, AC200MAX, and BLUETTI's stated upcoming models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M4 12a8 8 0 0 1 14-5.3M20 12a8 8 0 0 1-14 5.3\"\u003e\u003c\/path\u003e\u003cpath d=\"M18 3v4h-4M6 21v-4h4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003e4,000+ Cycles, ~10-Year Life\u003c\/h4\u003e\n\u003cp\u003eRated for over a decade of service, not just occasional emergency use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 2 4 5v6c0 5 3.4 8.4 8 9.9 4.6-1.5 8-4.9 8-9.9V5l-8-3Z\"\u003e\u003c\/path\u003e\u003cpath d=\"M8.5 12.3 10.8 14.6 15.5 9.9\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003eWireless Internal Frame\u003c\/h4\u003e\n\u003cp\u003eA third-gen internal design built to be more resilient to real-world knocks and shocks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003crect x=\"3\" y=\"5\" width=\"18\" height=\"12\" rx=\"1.5\"\u003e\u003c\/rect\u003e\u003cpath d=\"M8 20h8M12 17v3\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003eWall or Trolley Setup\u003c\/h4\u003e\n\u003cp\u003eMount to save space, or pair with the separately-sold Foldable Trolley 2 for a mobile setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M9 2v4M15 2v4M7 8h10v4a5 5 0 0 1-10 0V8Z\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 17v4\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003eEfficient Cooling Fan\u003c\/h4\u003e\n\u003cp\u003eKeeps performance stable even under challenging operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\"\u003e\u003crect x=\"2.5\" y=\"9\" width=\"9\" height=\"6\" rx=\"2\" transform=\"rotate(-18 7 12)\"\u003e\u003c\/rect\u003e\u003crect x=\"12.5\" y=\"9\" width=\"9\" height=\"6\" rx=\"2\" transform=\"rotate(-18 17 12)\"\u003e\u003c\/rect\u003e\u003c\/svg\u003e\n\u003ch4\u003eScales to 100kWh\u003c\/h4\u003e\n\u003cp\u003eCombine multiple units for partial, whole-home, or small business backup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-feature\"\u003e\n\u003csvg class=\"b5k-accent-2\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M13 2 4 14h6l-1 8 9-12h-6l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003ePart of a Connected System\u003c\/h4\u003e\n\u003cp\u003ePairs with SolarX 4K and Hub D1 for a more integrated setup beyond just extra storage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ NARRATIVE ============ --\u003e\n\u003csection class=\"b5k-narrative\"\u003e\n\u003ch3\u003eOne Battery, Not One Power Station\u003c\/h3\u003e\n\u003cp\u003eMost BLUETTI expansion batteries are built for a specific platform — B300K for Apex 300, B4810 for RV5-based 48V systems, B500 exclusively for EP800\/EP900 home ESS. The B500K takes a different approach: BLUETTI markets it with \"Universal Compatibility,\" working across Apex 300, AC300, AC500, AC200L, AC200MAX, and models still to come. That flexibility matters if a system might change platforms later, or if the same battery needs to serve more than one type of power station over time.\u003c\/p\u003e\n\u003cp\u003ePhysically, it's built to be moved or fixed in place depending on the setup — mount it to a wall or rack for a permanent install, or pair it with the separately-sold Foldable Trolley 2 for something more portable. A third-generation \"wireless internal\" design and dedicated cooling fan are meant to hold up to real-world knocks and challenging conditions better than earlier designs, and it connects into BLUETTI's broader ecosystem through accessories like SolarX 4K and Hub D1. Warranty coverage requires registering the product after purchase — BLUETTI's own FAQ confirms this step, though the base coverage length itself wasn't stated.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"b5k-blocks\" style=\"background: var(--paper-2);\"\u003e\n\u003cspan style=\"width: 16px; height: 10px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 14px; height: 18px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 24px; height: 14px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 10px; height: 20px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 18px; height: 8px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 12px; height: 16px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 20px; height: 12px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 14px; height: 22px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 16px; height: 10px;\"\u003e\u003c\/span\u003e \u003cspan style=\"width: 10px; height: 14px;\"\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- ============ SPECS ============ --\u003e\n\u003csection class=\"b5k-specs\"\u003e\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003cdiv class=\"b5k-specs-block\"\u003e\n\u003cp class=\"b5k-specs-block-title\"\u003eB500K Expansion Battery\u003c\/p\u003e\n\u003cdiv class=\"b5k-spec-groups\"\u003e\n\u003cdiv class=\"b5k-spec-group\"\u003e\n\u003ch4\u003eCapacity\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal energy\u003c\/td\u003e\n\u003ctd\u003e5,120 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO₄\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle life\u003c\/td\u003e\n\u003ctd\u003e4,000+ cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated lifespan\u003c\/td\u003e\n\u003ctd\u003e~10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-spec-group\"\u003e\n\u003ch4\u003eBuild\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal design\u003c\/td\u003e\n\u003ctd\u003e3rd-gen \"wireless\" frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eDedicated fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eWall\/rack, or Foldable Trolley 2*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-spec-group\"\u003e\n\u003ch4\u003eConnectivity \u0026amp; Compatibility\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible power stations\u003c\/td\u003e\n\u003ctd\u003eApex 300, AC300, AC500,\u003cbr\u003eAC200L, AC200MAX, upcoming models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEcosystem accessories\u003c\/td\u003e\n\u003ctd\u003eSolarX 4K, Hub D1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-spec-group\"\u003e\n\u003ch4\u003eScaling \u0026amp; Warranty\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax combined capacity\u003c\/td\u003e\n\u003ctd\u003e100kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eRegistration required to claim**\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 12.5px; color: var(--muted) !important; margin-top: 16px !important;\"\u003e*Foldable Trolley 2 sold separately. **BLUETTI's own FAQ confirms a registration step is required to claim warranty, but doesn't state the base coverage length — the live page's Tech Specs tab was not accessible in a static fetch, so weight, dimensions, and exact charge\/discharge current aren't included here rather than guessed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ WHAT'S IN THE BOX ============ --\u003e\n\u003csection class=\"b5k-box\"\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/A_7_3840_1920_3x-1764750699988-5f3a.webp?v=1786388636\" alt=\"Three setups of stacked Bluetti B500K Expansion Battery units, each providing 5,120Wh capacity, are displayed against a blue background. The arrangements vary in size and total capacity—7,884.8Wh, 10,454.4Wh, and 21,299.2Wh—demonstrating Bluetti’s flexible energy storage solutions to meet a range of portable power needs.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/5_3840_1920_1x_1.webp?v=1786388658\" alt=\"A man pushes a large Bluetti B500K Expansion Battery 5,120Wh portable power station on wheels down a suburban street, passing a white house with a porch and surrounded by green trees.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003eWhat's In the Box\u003c\/h3\u003e\n\u003cul class=\"b5k-box-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"n\"\u003eB500K battery pack\u003c\/span\u003e\u003cspan class=\"q\"\u003e×1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"n\"\u003eCA90 battery expansion cable\u003c\/span\u003e\u003cspan class=\"q\"\u003e×1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"n\"\u003eDocuments\u003c\/span\u003e\u003cspan class=\"q\"\u003e×1\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- ============ COMPATIBILITY ============ --\u003e\n\u003csection class=\"b5k-expand\"\u003e\n\u003ch3\u003eRecommended Accessories\u003c\/h3\u003e\n\u003cp\u003eB500K is often bundled or paired with these for a more complete setup.\u003c\/p\u003e\n\u003cdiv class=\"b5k-expand-grid\"\u003e\n\u003cdiv class=\"b5k-expand-card\"\u003e\n\u003ch4\u003eCharger 2\u003c\/h4\u003e\n\u003cp\u003eAlternator and solar dual DC charger for faster charging beyond standard AC.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-expand-card\"\u003e\n\u003ch4\u003eHub D1\u003c\/h4\u003e\n\u003cp\u003eAdds extra ports and DC output capability to the connected power station.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-expand-card\"\u003e\n\u003ch4\u003eSolarX 4K\u003c\/h4\u003e\n\u003cp\u003eSolar charge controller for higher-capacity solar input across the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"b5k-expand-card\"\u003e\n\u003ch4\u003eFoldable Trolley 2\u003c\/h4\u003e\n\u003cp\u003eSold separately — turns a wall-mounted B500K into a mobile setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ FAQ ============ --\u003e\n\u003csection class=\"b5k-faq\"\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I claim the warranty?\u003c\/summary\u003e\n\u003cp\u003eRegister the product on BLUETTI's website after receiving it — this is confirmed directly in BLUETTI's own FAQ as the required first step to claim warranty coverage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat power stations does the B500K work with?\u003c\/summary\u003e\n\u003cp\u003eApex 300, AC300, AC500, AC200L, AC200MAX, and BLUETTI's stated upcoming models — marketed as \"Universal BLUETTI Compatibility\" rather than being locked to one platform.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many B500K batteries can I connect to one power station?\u003c\/summary\u003e\n\u003cp\u003eNot confirmed in available sources — this varies by which power station it's paired with, and BLUETTI's own FAQ raises this exact question for AC300 and Apex 300 specifically without a visible published answer. Worth confirming the exact number for your specific setup directly with BLUETTI before purchase.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I mix B500K with other BLUETTI expansion batteries?\u003c\/summary\u003e\n\u003cp\u003eNot confirmed — BLUETTI's own FAQ asks this exact question (mixing B500K with B300K, B300, or B300S) without a visible published answer. Don't assume compatibility for mixed setups without checking directly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow much can this scale up to?\u003c\/summary\u003e\n\u003cp\u003eUp to 100kWh combined, per BLUETTI's own stated maximum — enough for partial, whole-home, or small business backup depending on how many units are connected.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan it be mounted for mobile use?\u003c\/summary\u003e\n\u003cp\u003eYes — wall or rack mounting is standard, and it can also attach to BLUETTI's Foldable Trolley 2 (sold separately) for a more portable setup.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c!-- ============ FOOTER ============ --\u003e\n\u003csection class=\"b5k-footer\"\u003e\n\u003cp class=\"b5k-warranty\"\u003eManufacturer's warranty applies — \u003cstrong\u003eregistration required\u003c\/strong\u003e after purchase to claim coverage; base warranty length wasn't stated in available sources.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Bluetti","offers":[{"title":"B500K Expansion Battery 5120Wh","offer_id":42377979101239,"sku":"P-B500K1-UN-GY-10","price":1999.0,"currency_code":"USD","in_stock":false},{"title":"2*B500K Expansion Battery 10240Wh","offer_id":42377979134007,"sku":"P-B500K1-UN-GY-11","price":3998.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/B500K_CA90_1x_6f88f3d7-4382-4023-8c33-77fd097da216.webp?v=1786388862","url":"https:\/\/ecosolarkits.com\/products\/bluetti-b500k-expansion-battery-5-120wh","provider":"Eco Solar Kits","version":"1.0","type":"link"}