{"product_id":"eg4-48v-wallmount-16kwh-indoor-self-heating-battery-314ah-ul9540a","title":"EG4 48V WallMount 16kWh Indoor Self-Heating Battery | 314Ah | UL9540A","description":"\u003cstyle\u003e\n.eg4314in-pd {\n  --ink: #000000;\n  --ink-2: #141414;\n  --paper: #F7F7F7;\n  --card: #FFFFFF;\n  --text: #000000;\n  --text-light: #FFFFFF;\n  --muted: #5C5C5C;\n  --accent: #246AAF;\n  --accent-2: #36AF24;\n  --line: #E2E2E2;\n  --radius: 14px;\n  --font-display: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;\n  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;\n  font-family: var(--font-display) !important;\n  color: var(--text) !important;\n  opacity: 1 !important;\n  background: var(--card);\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 16px 40px rgba(16,20,25,0.10);\n}\n.eg4314in-pd, .eg4314in-pd *, .eg4314in-pd *::before, .eg4314in-pd *::after { box-sizing: border-box; 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font-weight: 600; margin-bottom: 6px !important; }\n.eg4314in-pd .e314i-feature p { font-size: 13.3px; color: var(--muted) !important; line-height: 1.5; }\n@media (max-width: 860px) { .e314i-feature-grid { grid-template-columns: repeat(2,1fr); } }\n@media (max-width: 480px) { .e314i-feature-grid { grid-template-columns: 1fr; } }\n\n\/* Narrative *\/\n.e314i-narrative { padding: 42px 32px; background: var(--ink-2); color: var(--text-light); }\n.eg4314in-pd .e314i-narrative h3 { color: #fff !important; }\n.eg4314in-pd .e314i-narrative p { max-width: 72ch; color: #DADADA !important; margin-bottom: 14px !important; font-size: 15.3px; }\n.e314i-narrative p:last-child { margin-bottom: 0 !important; }\n\n\/* Specs *\/\n.e314i-specs { padding: 42px 32px; background: var(--paper); }\n.e314i-spec-groups { display: grid; grid-template-columns: repeat(2,1fr); gap: 26px 32px; }\n.eg4314in-pd .e314i-spec-group h4 { font-family: var(--font-mono) !important; font-size: 12px; text-transform: uppercase; 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gap: 20px; }\n.e314i-compat-group { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }\n.eg4314in-pd .e314i-compat-group h4 { font-size: 14.5px; font-weight: 700; margin-bottom: 4px !important; }\n.eg4314in-pd .e314i-compat-group .sub { font-family: var(--font-mono) !important; font-size: 11px; color: var(--muted) !important; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px !important; }\n.e314i-compat-group ul { list-style: none; }\n.e314i-compat-group li { font-family: var(--font-mono) !important; font-size: 13.3px; padding: 6px 0 6px 18px; position: relative; }\n.e314i-compat-group li::before { content: ''; position: absolute; left: 0; top: 13px; width: 8px; height: 8px; background: var(--accent-2); border-radius: 2px; }\n@media (max-width: 700px) { .e314i-compat-groups { grid-template-columns: 1fr; } }\n\n\/* FAQ *\/\n.e314i-faq { padding: 42px 32px; background: var(--paper); }\n.e314i-faq details { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 2px 18px; margin-bottom: 10px; }\n.e314i-faq summary { cursor: pointer; font-weight: 600; font-size: 14.8px; padding: 15px 24px 15px 0; list-style: none; position: relative; }\n.e314i-faq summary::-webkit-details-marker { display: none; }\n.e314i-faq summary::after { content: '+'; position: absolute; right: 0; top: 13px; font-size: 19px; color: var(--accent) !important; }\n.e314i-faq details[open] summary::after { content: '\\2013'; }\n.e314i-faq details p { padding: 0 0 16px; color: var(--muted) !important; font-size: 13.8px; max-width: 70ch; }\n\n\/* Downloads *\/\n.e314i-downloads { padding: 42px 32px; background: var(--card); }\n.e314i-download-list { display: flex; flex-wrap: wrap; gap: 12px; }\n.eg4314in-pd .e314i-download {\n  display: inline-flex; align-items: center; gap: 10px;\n  padding: 12px 18px;\n  border: 1px solid var(--line);\n  border-radius: 10px;\n  text-decoration: none !important;\n  color: var(--text) !important;\n  font-size: 14px; font-weight: 600;\n  transition: border-color .15s ease, background .15s ease;\n}\n.eg4314in-pd .e314i-download:hover { border-color: var(--accent) !important; background: var(--paper); }\n.e314i-download svg { width: 18px; height: 18px; color: var(--accent) !important; flex-shrink: 0; }\n\n\/* Footer *\/\n.e314i-footer { padding: 26px 32px; background: var(--ink); color: var(--text-light); }\n.eg4314in-pd .e314i-warranty { font-size: 14px; color: var(--text-light) !important; }\n.eg4314in-pd .e314i-warranty strong { color: var(--accent) !important; }\n\u003c\/style\u003e\n\u003cdiv class=\"eg4314in-pd\"\u003e\n\u003c!-- ============ HERO ============ --\u003e\n\u003csection class=\"e314i-hero\"\u003e\n\u003cp class=\"e314i-eyebrow\"\u003e48V LiFePO₄ Battery · 16kWh · UL 1973 Certified · Indoor\u003c\/p\u003e\n\u003ch2\u003e16kWh of Certified Indoor Battery Storage, With Auto-ID Setup\u003c\/h2\u003e\n\u003cp class=\"e314i-lead\"\u003eThe EG4 314Ah Indoor battery banks 16kWh nominal (12.86kWh recommended usable) behind a 200A continuous discharge rating, a third-generation BMS, and Auto-ID technology that recognizes and syncs new units automatically during install. It's UL 1973 and UN 38.3 certified, built for wall or floor mounting indoors, and backed by a 10-year manufacturer's warranty.\u003c\/p\u003e\n\u003cdiv aria-hidden=\"true\" class=\"e314i-divider\"\u003e\u003csvg preserveaspectratio=\"none\" viewbox=\"0 0 600 20\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" d=\"M0,10 Q25,-4 50,10 T100,10 T150,10 T200,10 T250,10 T300,10 T350,10 T400,10 T450,10 T500,10 T550,10 T600,10\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ STATS ============ --\u003e\n\u003csection class=\"e314i-stats\"\u003e\n\u003cdiv class=\"e314i-stat\"\u003e\n\u003cspan class=\"num\"\u003e16kWh\u003c\/span\u003e\u003cspan class=\"label\"\u003eNominal Capacity\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-stat\"\u003e\n\u003cspan class=\"num\"\u003e200A\u003c\/span\u003e\u003cspan class=\"label\"\u003eContinuous Discharge\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-stat\"\u003e\n\u003cspan class=\"num\"\u003eUL 1973\u003c\/span\u003e\u003cspan class=\"label\"\u003eCertified\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-stat\"\u003e\n\u003cspan class=\"num\"\u003e10-Year\u003c\/span\u003e\u003cspan class=\"label\"\u003eWarranty\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ FEATURES ============ --\u003e\n\u003csection class=\"e314i-features\"\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/Screenshot_2026-07-26_183740.png?v=1785080309\" alt=\"A man uses his phone outside a solar-powered home featuring three EG4 48V WallMount 16kWh Indoor Self-Heating Batteries (314Ah | UL9540A), while a modern washer and dryer are stacked neatly in the laundry room—all presented on an elegant card design accented by clean, modern sans-serif-inspired lines.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003eWhat Makes This Battery Different\u003c\/h3\u003e\n\u003cdiv class=\"e314i-feature-grid\"\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003crect rx=\"2\" height=\"9\" width=\"17\" y=\"8\" x=\"2\"\u003e\u003c\/rect\u003e\u003crect stroke=\"none\" fill=\"currentColor\" rx=\"1\" height=\"3\" width=\"2.5\" y=\"11\" x=\"19\"\u003e\u003c\/rect\u003e\u003crect stroke=\"none\" fill=\"currentColor\" rx=\"0.6\" height=\"4.4\" width=\"4\" y=\"10.3\" x=\"5\"\u003e\u003c\/rect\u003e\u003c\/svg\u003e\n\u003ch4\u003e16kWh, 12.86kWh Usable\u003c\/h4\u003e\n\u003cp\u003eHigh-capacity storage in a wall- or floor-mountable indoor enclosure, cross-compatible with other EG4 battery models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" fill=\"currentColor\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M13 2 4 14h6l-1 8 9-12h-6l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003e200A \/ 10.2kW Continuous\u003c\/h4\u003e\n\u003cp\u003eUp to 10.2kW of continuous discharge power and 12.8kW of peak power for 3 seconds, backed by a 250A battery breaker.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\" class=\"e314i-accent-2\"\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\u003eUL 1973 \u0026amp; UN 38.3 Certified\u003c\/h4\u003e\n\u003cp\u003eBoth certifications are confirmed on this unit's own spec sheet, with UL 9540 applying for DC ESS and for AC ESS when paired with specific EG4 inverters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003crect rx=\"1.5\" height=\"12\" width=\"18\" y=\"5\" x=\"3\"\u003e\u003c\/rect\u003e\u003cpath d=\"M8 20h8M12 17v3\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003ch4\u003eThird-Gen BMS, Auto-ID\u003c\/h4\u003e\n\u003cp\u003eImproved balancing precision and faster response times, plus automatic recognition and syncing of new batteries during setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M4 4 12 13M12 2V13M20 4 12 13M12 13V21\"\u003e\u003c\/path\u003e\u003ccircle stroke=\"none\" fill=\"currentColor\" r=\"2\" cy=\"13\" cx=\"12\"\u003e\u003c\/circle\u003e\u003c\/svg\u003e\n\u003ch4\u003eLCD Touchscreen Display\u003c\/h4\u003e\n\u003cp\u003eOnboard diagnostics and system control, alongside real-time monitoring from the integrated BMS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3a2 2 0 0 0-2 2v9.1a4 4 0 1 0 4 0V5a2 2 0 0 0-2-2Z\"\u003e\u003c\/path\u003e\u003cline y2=\"14\" x2=\"12\" y1=\"7\" x1=\"12\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\n\u003ch4\u003eAutomatic Self-Heating\u003c\/h4\u003e\n\u003cp\u003eInternal heating keeps the cells within charge range through cold weather, protecting both performance and lifespan.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M8 3h8l5 5v8l-5 5H8l-5-5V8l5-5z\"\u003e\u003c\/path\u003e\u003cline y2=\"15\" x2=\"15\" y1=\"9\" x1=\"9\"\u003e\u003c\/line\u003e\u003cline y2=\"15\" x2=\"9\" y1=\"9\" x1=\"15\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\n\u003ch4\u003eEmergency Stop (E-Stop)\u003c\/h4\u003e\n\u003cp\u003eA physical rapid-shutdown control adds a manual safety layer on top of standard BMS protections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-feature\"\u003e\n\u003csvg aria-hidden=\"true\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003crect transform=\"rotate(-18 7 12)\" rx=\"3\" height=\"6\" width=\"9\" y=\"9\" x=\"2.5\"\u003e\u003c\/rect\u003e\u003crect transform=\"rotate(-18 17 12)\" rx=\"3\" height=\"6\" width=\"9\" y=\"9\" x=\"12.5\"\u003e\u003c\/rect\u003e\u003c\/svg\u003e\n\u003ch4\u003eUp to 16 Units in Parallel\u003c\/h4\u003e\n\u003cp\u003eScales from one unit up to a larger indoor bank on the same platform as capacity needs grow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv aria-hidden=\"true\" style=\"background: var(--ink-2); color: var(--accent); opacity: 0.7;\" class=\"e314i-divider\"\u003e\u003csvg preserveaspectratio=\"none\" viewbox=\"0 0 600 20\"\u003e\u003cpath stroke-linecap=\"round\" stroke-width=\"2\" stroke=\"currentColor\" fill=\"none\" d=\"M0,10 Q25,-4 50,10 T100,10 T150,10 T200,10 T250,10 T300,10 T350,10 T400,10 T450,10 T500,10 T550,10 T600,10\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003c!-- ============ NARRATIVE ============ --\u003e\n\u003csection class=\"e314i-narrative\"\u003e\n\u003ch3\u003eBuilt for Certified, Space-Conscious Indoor Installs\u003c\/h3\u003e\n\u003cp\u003eThis is EG4's indoor-specific wallmount platform — a compact, IP20-rated enclosure built to wall-mount or floor-mount inside a home or small business rather than face outdoor exposure. UL 1973 and UN 38.3 certification are both confirmed on the unit's own spec sheet, and UL 9540 applies as a standalone DC energy storage system, or as a certified AC energy storage system specifically when paired with the EG4 18kPV, 12kPV, FlexBOSS18, or FlexBOSS21 inverters. UL 9540A certification carries a specific installation requirement worth planning around: 6 inches of spacing between battery units.\u003c\/p\u003e\n\u003cp\u003eA third-generation BMS brings improved cell balancing precision and faster response times, and Auto-ID technology automatically recognizes and syncs additional batteries as they're added — useful for anyone planning to scale up later rather than sizing the full system on day one. Combined with automatic self-heating, an E-Stop, and cross-compatibility with other EG4 battery models, it's built as a straightforward, code-conscious core for a home backup or off-grid system.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ============ SPECS ============ --\u003e\n\u003csection class=\"e314i-specs\"\u003e\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003cdiv class=\"e314i-spec-groups\"\u003e\n\u003cdiv class=\"e314i-spec-group\"\u003e\n\u003ch4\u003eCapacity\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal voltage\u003c\/td\u003e\n\u003ctd\u003e51.2 Vdc\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\u003eNominal energy capacity\u003c\/td\u003e\n\u003ctd\u003e16 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable energy (80% DoD)\u003c\/td\u003e\n\u003ctd\u003e12.86 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated capacity\u003c\/td\u003e\n\u003ctd\u003e314 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-spec-group\"\u003e\n\u003ch4\u003eCharging \u0026amp; Discharge\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging voltage range\u003c\/td\u003e\n\u003ctd\u003e56–57 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge cut-off voltage\u003c\/td\u003e\n\u003ctd\u003e47.5 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax continuous charge current\u003c\/td\u003e\n\u003ctd\u003e157 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax continuous discharge current\u003c\/td\u003e\n\u003ctd\u003e200 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous charge\/discharge power\u003c\/td\u003e\n\u003ctd\u003e8 kW \/ 10.2 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-spec-group\"\u003e\n\u003ch4\u003eProtection \u0026amp; Fault Handling\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power\u003c\/td\u003e\n\u003ctd\u003e12.8 kW (3 sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery breaker\u003c\/td\u003e\n\u003ctd\u003e250 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRound-trip efficiency\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection features\u003c\/td\u003e\n\u003ctd\u003eOver\/under voltage, over-current, short circuit, high\/low temp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-spec-group\"\u003e\n\u003ch4\u003eEnvironmental\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging temp range\u003c\/td\u003e\n\u003ctd\u003e32–122°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarging temp range\u003c\/td\u003e\n\u003ctd\u003e-4–131°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temp (\u0026lt;3 months)\u003c\/td\u003e\n\u003ctd\u003e-4–131°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAltitude\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;9,843 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure rating\u003c\/td\u003e\n\u003ctd\u003eIP20 (indoor only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-spec-group\"\u003e\n\u003ch4\u003ePhysical\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e293.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H×W×D)\u003c\/td\u003e\n\u003ctd\u003e34.1 × 18.1 × 9.6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting options\u003c\/td\u003e\n\u003ctd\u003eWall or floor mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector type\u003c\/td\u003e\n\u003ctd\u003eDegson quick-connect + screw terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLCD touchscreen + LED status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-spec-group\"\u003e\n\u003ch4\u003eConnectivity, Life \u0026amp; Warranty\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRS485, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax parallel units\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle life\u003c\/td\u003e\n\u003ctd\u003e10,000 @ 0.5C, 80% DoD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign life\u003c\/td\u003e\n\u003ctd\u003e10 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10 years or 10,000 cycles\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: 18px !important;\"\u003eUL 1973 and UN 38.3 confirmed on this unit's spec sheet. UL 9540 applies as DC ESS standalone, or AC ESS when paired with EG4 18kPV, 12kPV, FlexBOSS18, or FlexBOSS21. UL 9540A requires 6 in. of battery-to-battery spacing. FCC Part 15 (Class B) confirmed. Application: residential, commercial, off-grid, backup.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- ============ COMPATIBILITY ============ --\u003e\n\u003csection class=\"e314i-compat\"\u003e\n\u003ch3\u003eInverter Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis battery needs a compatible inverter to function. Closed-loop communication partners differ by installation type.\u003c\/p\u003e\n\u003cdiv class=\"e314i-compat-groups\"\u003e\n\u003cdiv class=\"e314i-compat-group\"\u003e\n\u003ch4\u003eGrid-Tied Installs\u003c\/h4\u003e\n\u003cp class=\"sub\"\u003eUL 9540 (AC ESS) + closed-loop comms\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEG4 FlexBOSS18\u003c\/li\u003e\n\u003cli\u003eEG4 FlexBOSS21\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"e314i-compat-group\"\u003e\n\u003ch4\u003eOff-Grid Installs\u003c\/h4\u003e\n\u003cp class=\"sub\"\u003eClosed-loop comms, non-UL 9540\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll BigBattery APEX inverters\u003c\/li\u003e\n\u003cli\u003eAll EG4 inverters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ FAQ ============ --\u003e\n\u003csection class=\"e314i-faq\"\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/EG4-314Ah-1024x420.webp?v=1785080293\" alt=\"A contemporary home fitted with solar panels is flanked by two tall, silver EG4 48V WallMount 16kWh Indoor Self-Heating Batteries (314Ah | UL9540A). Three sleek card-style icons—set in modern IBM Plex Sans—highlight long battery lifespan, ultra-quiet performance, and a 10-year warranty with U.S.-based support, all reflecting EG4’s commitment to quality.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/Product-Infographics-2-1024x420.webp?v=1785080342\" alt=\"An EG4 48V WallMount 16kWh Indoor Self-Heating Battery (314Ah | UL9540A) stands in a garage, with text emphasizing key features: easy installation, robust and durable design, built-in precision monitoring, and powerful 200A max output for dependable, long-term energy storage—all displayed on a clean card layout using a modern sans-serif font.\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e \u003c\/h3\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this battery actually UL certified?\u003c\/summary\u003e\n\u003cp\u003eYes — UL 1973 and UN 38.3 are both confirmed on this unit's own spec sheet. UL 9540 applies as a standalone DC energy storage system, and as a certified AC energy storage system when paired specifically with the EG4 18kPV, 12kPV, FlexBOSS18, or FlexBOSS21 inverters.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat's Auto-ID technology?\u003c\/summary\u003e\n\u003cp\u003eIt automatically recognizes and syncs new battery units as they're added to a system, simplifying setup — useful both for the initial install and for adding capacity later.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs there a spacing requirement between units?\u003c\/summary\u003e\n\u003cp\u003eYes — UL 9540A certification specifies 6 inches of spacing between battery units. Worth planning into the install layout ahead of time, especially for larger parallel banks.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this be installed outdoors?\u003c\/summary\u003e\n\u003cp\u003eNo — it's IP20-rated and specifically designed for indoor wall or floor mounting. For outdoor installation, look at BigBattery's EG4 314Ah All-Weather battery instead, which carries an IP67 rating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan it work alongside other EG4 batteries?\u003c\/summary\u003e\n\u003cp\u003eYes — it's built to be cross-compatible with other EG4 battery models for flexible system scaling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat's the warranty?\u003c\/summary\u003e\n\u003cp\u003e10 years or 10,000 cycles, whichever comes first, covering defects in materials and workmanship.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need a licensed electrician to install it?\u003c\/summary\u003e\n\u003cp\u003eGiven the voltages and currents involved, installation should be handled by a qualified, licensed electrician or solar installer familiar with your local code requirements.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c!-- ============ DOWNLOADS ============ --\u003e\n\u003csection class=\"e314i-downloads\"\u003e\n\u003ch3\u003eDocuments \u0026amp; Downloads\u003c\/h3\u003e\n\u003cdiv class=\"e314i-download-list\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/10\/EG4-WallMount-314Ah-Indoor-Battery-Spec-Sheet.pdf\" class=\"e314i-download\" target=\"_blank\"\u003e \u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3v12M7 10l5 5 5-5M4 19h16\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Spec Sheet \u003c\/a\u003e \u003ca rel=\"noopener\" href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/04\/EG4-WallMount-Indoor-314Ah-Battery-User-Manual.pdf\" class=\"e314i-download\" target=\"_blank\"\u003e \u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3v12M7 10l5 5 5-5M4 19h16\"\u003e\u003c\/path\u003e\u003c\/svg\u003e User Manual \u003c\/a\u003e \u003ca rel=\"noopener\" href=\"https:\/\/eg4electronics.com\/wp-content\/uploads\/2025\/10\/EG4-WallMount-314Ah-Indoor-Battery-Quick-Start-Guide.pdf\" class=\"e314i-download\" target=\"_blank\"\u003e \u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3v12M7 10l5 5 5-5M4 19h16\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Quick Start Guide \u003c\/a\u003e \u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/EG4-WallMount-314Ah-Indoor-Battery-1973-Certificate-of-Compliance.pdf\" class=\"e314i-download\" target=\"_blank\"\u003e \u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3v12M7 10l5 5 5-5M4 19h16\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Certificate of Compliance \u003c\/a\u003e \u003ca rel=\"noopener\" href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/EG4-WallMount-314Ah-Indoor-Battery-UL-9540A-Test-Verification-of-Conformity.pdf\" class=\"e314i-download\" target=\"_blank\"\u003e \u003csvg aria-hidden=\"true\" stroke-linejoin=\"round\" stroke-linecap=\"round\" stroke-width=\"1.7\" stroke=\"currentColor\" fill=\"none\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 3v12M7 10l5 5 5-5M4 19h16\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Certificate of Conformity \u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- ============ FOOTER ============ --\u003e\n\u003csection class=\"e314i-footer\"\u003e\n\u003cp class=\"e314i-warranty\"\u003eBacked by a \u003cstrong\u003e10-year (or 10,000-cycle) manufacturer's warranty\u003c\/strong\u003e covering defects in materials and workmanship.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"EG4","offers":[{"title":"Default Title","offer_id":42333847683127,"sku":"FEWMT-48161-G1","price":3399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/2418\/5399\/files\/BigBattery-ALL-PRODUCT-IMAGES-1-1.webp?v=1785080393","url":"https:\/\/ecosolarkits.com\/products\/eg4-48v-wallmount-16kwh-indoor-self-heating-battery-314ah-ul9540a","provider":"Eco Solar Kits","version":"1.0","type":"link"}