12V LiFePO4 Batteries

12V Lithium Batteries

Standard Group 24/27/31 case sizes drop into most RVs, boats, and solar setups. 100Ah to 600Ah capacity with built-in BMS protection.

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12V Lithium Batteries

12V buying guide

Match capacity to your daily power demand.

12V is the most common lithium voltage for RVs, boats, and off-grid cabins. Choose higher Ah for longer runtime.

  • RV House Power

    Run fridge, lights, and devices for overnight stops.

  • Marine & Trolling

    Deep cycle for trolling motors and house bank.

  • Off-Grid & Solar

    Pair with solar panels for cabin and backup power.

  • Portable Power

    Lightweight for camping, tailgating, and DIY projects.

Battery care

Keep your 12V battery performing at its best.

A few simple habits extend LiFePO4 battery life well beyond lead-acid alternatives.

  • Charging

    Use a 14.6V LiFePO4-compatible charger for full, safe charging.

  • Storage

    Store at 50% charge in a dry, cool place when not in use.

  • Installation

    Confirm terminal type, cable gauge, and tray dimensions before installing.

  • Troubleshooting

    For BMS cutoff or charging issues, contact support before returning.

FAQ

12V LiFePO4 Battery FAQ

Answers to common questions about 12V lithium iron phosphate batteries.

Buying questions
Can I replace my lead-acid battery with 12V LiFePO4?

Yes, our 12V LiFePO4 batteries are drop-in replacements for most Group 24/27/31 lead-acid batteries. Check dimensions, terminal type, and charger compatibility first.
How long does a 12V LiFePO4 battery last?

4,000 to 6,000 cycles at 80% depth of discharge, typically 8 to 10 years depending on usage patterns and charging habits.
Do I need a special charger?

A LiFePO4-compatible charger (14.6V output) is recommended. Some modern AGM chargers work, but may not fully charge LiFePO4 cells.
Can I connect 12V batteries in series or parallel?

Yes. Series creates 24V/36V/48V systems. Parallel increases capacity at 12V. Always use same model and similar age batteries.
What BMS protection is included?

Overcharge, over-discharge, over-current, short circuit, and high/low temperature protection with automatic recovery.
What temperature range is supported?

Charge: 0°C to 55°C. Discharge: -20°C to 60°C. Avoid charging below freezing to prevent cell damage.

Fit confidence

Not sure which 12V capacity you need?

Contact support with your application, daily power usage, and charger details. We will help you choose the right battery.