Black Friday 2026

Black Friday prices on LiFePO4 home, cabin and RV batteries - while stock lasts.

  • Deals end Dec 1
  • Save up to $1,800
  • Free shipping, lower 48
  • 30-day returns
The compact gray Anker device, featuring a top handle, side vents, and subtle front branding, delivers portable power and energy storage with an efficient LFP battery.Save $700Anker SOLIX BP3800 Expansion Battery - 3840Wh Storage | LFP | For SOLIX F3800 $1,799.99 A tall, rectangular white device labeled 48V Ethos Powered by Griden from BigBattery, featuring a small display screen on the upper left and designed for home power storage, is set against a green background.Save $610ETHOS 48V 10.2KWH Battery Kit (2 Modules) | BigBattery $2,780 A tall, rectangular white home power storage unit from BigBattery labeled ETHOS Energy Storage features a small digital display at the top left and smooth panel divisions for a sleek, modular design.Save $1,220ETHOS 48V 15.3kWh Battery Backup Kit (3 Modules) | BigBattery $4,030
53 products
  • Anker SOLIX BP3000 Expansion Battery
    Anker SOLIX BP3000 Expansion Battery | 3,072Wh LiFePO4 Storage for F3000 and C2000 Gen 2
    Save $700
    Anker

    Anker SOLIX BP3000 Expansion Battery | 3,072Wh LiFePO4 Storage for F3000 and C2000 Gen 2

    Expansion Battery · 3,072Wh Anker SOLIX BP3000 Expansion Battery The Anker SOLIX BP3000 adds 3,072Wh of LiFePO4 capacity to the F3000 (and the C2000 Gen 2) - stack up to...
    $1,199.99
    $1,899.99 $1,199.99
    • 3072Wh
    • LiFePO4
    • 5-yr warranty

    In stock · ships in 1-4 days

    Sale
  • The EcoFlow DELTA Pro Smart Extra Battery features wheels for portability, a digital display for real-time battery information, and the same sleek dark design as DELTA Pro, and can also connect directly to the EcoFlow Smart Generator for extended runtime. An EcoFlow black portable power station with digital display showing battery level and numbers, compatible with the EcoFlow Smart Generator, pictured on a plain white background.
    EcoFlow DELTA Pro 3,600Wh Smart Extra Battery
    Sold out
    Ecoflow

    EcoFlow DELTA Pro 3,600Wh Smart Extra Battery

    Expansion Battery · 3,600Wh EcoFlow DELTA Pro 3,600Wh Smart Extra Battery 3,600WhBattery Capacity 48VSystem Voltage 3,500Cycle Life 5 yrWarranty OverviewOverview Power up anywhere, anytime Harness the convenience of DELTA Pro’s...
    $1,539.99
    $1,899.00 $1,539.99
    • 3600Wh
    • LiFePO4
    • 5-yr warranty
    Sold out
  • A tall, rectangular gray and white BYD Battery-Box storage unit with three stacked compartments stands on small feet against a white background, featuring lithium iron phosphate technology from BYD. A rectangular BYD Battery-Box lithium iron phosphate module with a gray and white casing, control panel with connectors and indicator lights at one end, and elevated on four small feet.
    BYD Premium 12 - 32kWh HVL Battery System
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    BYD

    BYD Premium 12 - 32kWh HVL Battery System

    Battery · 12,000Wh BYD Premium 12 - 32kWh HVL Battery System Introducing the BYD Battery-Box Premium HVL: 12,000WhBattery Capacity LiFePO4Chemistry 330.7 lbWeight OverviewOverview Unleash high-powered emergency backup and off-grid capability...
    $7,109.33
    $7,899.00 $7,109.33
    • 12.0kWh
    • LiFePO4
    Sold out
  • A white Fortress Power eVault Max with LFP battery features a digital display (52.6V, -50.0A, 20.2% SOC, 0.62 MWh) on the front panel; this wheeled unit provides reliable, mobile energy storage. A large, rectangular silver Fortress Power eVault Max LFP battery storage unit with a black top and digital display stands on four wheels against a plain white background.
    Fortress Power eVault MAX 18.5kWh 48V LFP Battery
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    Fortress Power

    Fortress Power eVault MAX 18.5kWh 48V LFP Battery

    Battery · 18,500Wh Fortress Power eVault MAX 18.5kWh 48V LFP Battery 18,500WhBattery Capacity 48VSystem Voltage 98%Efficiency 10 yrWarranty OverviewOverview Discover the Fortress Power eVault Max 18.5kWh LFP Battery – your...
    $7,239.99
    $7,139.00 $7,239.99
    • 18.5kWh
    • LiFePO4
    • 10-yr warranty
    Sold out
  • Nexus 48V 14.3kWh LiFePO4 battery with Apex 10K inverter off-grid home backup system Front view of a wall-mounted BigBattery Nexus 10k power inverter featuring a display screen, labeled buttons, side handles, and a gray-and-white rectangular case against a plain white background.
    NEXUS 48V 14.3kWh LiFePO4 Battery + APEX-10K Inverter | Off-Grid Home Back-Up System
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    BigBattery

    NEXUS 48V 14.3kWh LiFePO4 Battery + APEX-10K Inverter | Off-Grid Home Back-Up System

    48V Off-Grid ESS · NEXUS + APEX-10K · Indoor System 14.3kWh of Off-Grid Power From a Pre-Matched Battery and Inverter Pair This system pairs one BigBattery NEXUS 14.3kWh battery with...
    $4,725.00
    $5,275.00 $4,725.00
    • 14.3kWh
    • 10.0kW output
    • LiFePO4
    • 5-yr warranty
    Sold out

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