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12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium Iron Phosphate Battery Built-in 200A BMS 15000+ Cycles for RV Marine Solar Golf Cart Off-Grid Applications

12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium Iron Phosphate Battery Built-in 200A BMS 15000+ Cycles for RV Marine Solar Golf Cart Off-Grid Applications

$841.44 USD
$841.44 USD
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About this item

  • The lithium iron phosphate (LiFePO4) battery adopts Grade A cells: The 12V 400Ah lithium iron phosphate (LiFePO4) battery boasts exceptional quality, enabling 4,000 to 15,000 charge-discharge cycles (with 10 years lifespan), far surpassing the 300–500 cycles (and only 3-year lifespan) of lead-acid batteries. Our 12V 400Ah lithium battery weighs just 86.2 pounds, which is only 1/3 the weight of an equivalent-capacity lead-acid battery.
  • 200A BMS Comprehensive Protection：The 12V 400Ah LiFePO4 battery Built-in 200A BMS safeguards against overcharge, over-discharge, overcurrent, and short circuits. Advanced temperature control automatically cuts off charging/discharging in extreme heat/cold. Combined with low self-discharge (<3% monthly), this ensures safety and extends battery life in harsh conditions.
  • Expandable Energy System：Our 400ah lifepo4 battery Can Connect 4 units via 1S4P configuration for 51.2V 400Ah (20.48kWh) capacity, supporting 48V solar inverters and whole-home backup. Low self-discharge ensures readiness for seasonal use.
  • 12V 400Ah Lithium iron phosphate battery dimension is: L20.47*W10.59*H8.66 inch, weighs 68.78lbs. Note：Under Various Temp/Humidity Measurement Methods And Instruments, Voltage And Current May Deviate By 1%~5%. Charge/Discharge Battery Once Every 6 Months To Prevent Damage From Disuse.Please Feel Free To Contact Us If You Encounter Any Problems During Use!
  • Wide Application: Our 12V 400Ah LiFePO4 battery is ideal for RVs, boats, fishing, camping, solar home systems, electric motors, and off-grid applications. Additionally, the battery casing features IP65-rated waterproof protection, and the built-in side handles allow for easy portability—no worries about indoor or outdoor installation. This battery supports ​​100% SOC (State of Charge) & DOD (Depth of Discharge)​​, delivering significantly extended lifespan compared to traditional lead-acid batteries.
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FAQ

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.