SEMENERG battery with digital display on a white background
12V 100Ah LiFePO4 MINI battery with dimensions and weight on a light gray background
Turquoise battery with text highlighting its features as a replacement for lead-acid batteries.
Smart 100A BMS with multiple protection features on a gray background
Battery pack with specifications on a desk in a room with a window.
Solar panel system with battery storage in front of a modern house
Battery with application scenarios including RV, solar, off-grid, camping, and trolling motor on a white background.
12V 100Ah lithium battery with packaging contents on a wooden surface
Two batteries with text highlighting mini battery size benefits on a gray background
SEMENERG battery with digital display on a white background
12V 100Ah LiFePO4 MINI battery with dimensions and weight on a light gray background
Turquoise battery with text highlighting its features as a replacement for lead-acid batteries.
Smart 100A BMS with multiple protection features on a gray background
Battery pack with specifications on a desk in a room with a window.
Solar panel system with battery storage in front of a modern house
Battery with application scenarios including RV, solar, off-grid, camping, and trolling motor on a white background.
12V 100Ah lithium battery with packaging contents on a wooden surface
Two batteries with text highlighting mini battery size benefits on a gray background

SEMENERG 12V 100Ah Mini LiFePO4 Lithium Battery

  • Mini Size, Max Power
    The SEMENERG 12V 100Ah Mini LiFePO4 Battery delivers 1280Wh of power in a compact Group 24 case. Measuring only 9 × 5.67 × 8.38 inches and weighing just 19.73 lbs, it is 35% smaller and 60% lighter than traditional lead-acid batteries—offering 3–5× higher energy density for space- and weight-sensitive applications.
  • Premium A+ Cells & Smart BMS Protection
    Built with automotive-grade LiFePO4 cells and a built-in 100A Battery Management System (BMS), this battery ensures safe operation by protecting against overcharge, over-discharge, short circuit, overcurrent, and overheating—delivering up to 15,000 cycles at 60% DOD and a service life of 10 years.
  • Supports 4S4P Connection
    Easily scale your energy storage system by connecting up to 16 batteries in 4S4P configuration, creating a 51.2V 400Ah (20.48kWh) battery bank. Ideal for solar homes, off-grid setups, RVs, and emergency backup systems.
  • Integrated LED Display
    A front-facing LED monitor provides real-time updates on voltage and capacity percentage. Check battery status at a glance without extra equipment—accurate under no-load, no-charge conditions.

    • $179.99
    $189.99
    $179.99
    Subtotal: $179.99

    Fast & Free Shipping

    Free US delivery in 2–5 business days.

    Easy Return & Exchange

    30-day no-hassle return and exchange policy.

    5-Year Warranty

    Worry-free protection for every product.

    Lifetime Customer Support

    Have a question? Our support team is ready to assist you at any time.
    SEMENERG battery with digital display on a white background

    SEMENERG 12V 100Ah Mini LiFePO4 Lithium Battery

    $189.99 $179.99
    SEMENERG battery with digital display on a white background
    12V 100Ah LiFePO4 MINI battery with dimensions and weight on a light gray background
    Turquoise battery with text highlighting its features as a replacement for lead-acid batteries.
    Smart 100A BMS with multiple protection features on a gray background
    Battery pack with specifications on a desk in a room with a window.
    Solar panel system with battery storage in front of a modern house
    Battery with application scenarios including RV, solar, off-grid, camping, and trolling motor on a white background.
    12V 100Ah lithium battery with packaging contents on a wooden surface
    Two batteries with text highlighting mini battery size benefits on a gray background

    SEMENERG 12V 100Ah Mini LiFePO4 Lithium Battery

    $189.99 $179.99
      Features Specs FAQ Reviews

      Features


      Specs

      Cell LiFePO4 Battery
      Nominal Voltage 12.8V
      Nominal Capacity 100Ah
      Usable Capacity 100Ah
      Energy 1280Wh
      Max. Output Power Rate 1280W
      Battery Management System (BMS) 100A
      Max. Continuous Charge/Discharge 100A
      Charge Voltage 14.6V
      Cycle Life 4000 Times
      Recommend Charging Current 20A(Within 0,2C)
      Max. Discharge Current (5 sec) 200A
      Dimension L22.9 × W14.4 × H21.3 cm
      Weight 8.95kg
      Battery Pack Case ABS
      Temperature Range Charge: 0℃–45℃
      Discharge: -20℃–60℃
      Storage: 0°C–40°C (Optimal: 15°C–25°C, dry)
      Terminal Size M6 * 1mm MetricThread
      Post Bolts M6 * 1mm MetricThread * 12mm Post Bolts

      FAQ

      The SEMENERG 12V 100Ah Mini LiFePO4 Battery is ideal for RVs, solar energy storage systems, marine use, off-grid cabins, and backup power. It’s also compatible with trolling motors (30–55 lbs thrust), portable power stations, and other deep-cycle applications.
      No. This LiFePO4 battery is designed specifically for energy storage and deep-cycle use. It is not suitable for engine starting, golf carts, or automotive cranking applications.
      We recommend using a 14.6V LiFePO4-compatible charger, ideally rated at 20A for optimal performance. Fully charge the battery before first use. Avoid using lead-acid battery chargers as they may not fully charge or could damage the battery over time.
      Yes! This battery supports both series (up to 4S) and parallel (up to 4P) connections. You can combine up to 16 batteries in a 4S4P configuration to build a 51.2V 400Ah system with a total energy capacity of 20.48kWh.
      With advanced Grade A LiFePO4 cells, this battery offers an ultra-long lifespan of: 15,000 cycles at 60% DOD, 6,000 cycles at 80% DOD, 4,000+ cycles at 100% DOD, It’s designed to deliver up to 10 years of reliable service under proper usage.

      Reviews

      Customer Reviews

      Based on 1 review
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      R
      Ray

      Very nice battery. It is very light and much more durable and reliable than sealed lead acid.

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