21st Jul 2026, 11:35 AM
12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium Iron Phosphate Battery Built-in 200A BMS 15000+ Cycles for RV Solar Off-Grid Applications and Home Energy Storage
Price may vary by location, shipping cost, and availability.
76% Off
$578.66
$2,369.99
Highest: $655.66
Average: $628.14
Lowest: $545.26
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of 12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium Iron Phosphate Battery Built-in 200A BMS 15000+ Cycles for RV Solar Off-Grid Applications and Home Energy Storage here. This product's current Price in USA is $578.66. The average and highest prices are $628.14 and $655.66 respectively.
| Lowest Ever Price | $545.26 |
|---|---|
| 25th Feb 2026 | |
| Average Price | $628.14 |
| Based on 149 days price tracking | |
| Highest Price | $655.66 |
| 4th Jul 2026 | |
Price History of All Variants of 12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium...
Current Price in USA
| Price | $578.66 |
|---|---|
| MRP | $2,369.99 |
| Savings | $1,791.33 |
| Discount | 75.58% |
Recent Price Drops on 12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium Iron Phosphate Battery Built-in 200A BMS 15000+ Cycles for RV Solar Off-Grid Applications and Home Energy Storage
Price Drop 17th Jul 2026
$655.66 → $578.66
11.74% drop
Price Drop 17th Jun 2026
$650.66 → $590.12
9.3% drop
Product Information
Details
| Product Name | 12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium Iron Phosphate Battery Built-in 200A BMS 15000+ Cycles for RV Solar Off-Grid Applications and Home Energy Storage |
|---|---|
| Store Product Code | B0FK5732FP |
| Store Name | amazon.com |
| Brand | dumfume |
| Rating | 8.8 / 10 |
| Category | 12V |
| Product Manufacturer | dumfume |
| Model Number | 12v 400ah |
| Size | 12V400AH(20.87×10.43×8.66) |
Features
- 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 300500 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 ProtectionThe 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 SystemOur 400ah lifepo4 battery Can Connect 4 units via 4S4P configuration for 51.2V 1600Ah (81.92 kWh) capacity, supporting 48V solar inverters and whole-home backup. Low self-discharge ensures readiness for seasonal use.Battery performance requires temperatures of 5C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered.
- 12V 400Ah Lithium iron phosphate battery dimension is: 20.8710.438.66inch(with handle), weighs 82.67lbs. NoteUnder 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, camping, solar home systems, Outdoor Lighting, and off-grid applications. Additionally, the battery casing features IP65-rated waterproof protection, and the built-in side handles allow for easy portabilityno 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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Rating and Reviews
8.8 Based on 390 reviews
12V 400Ah LiFePO4 Battery 5120Wh Rechargeable Lithium has 8.8 rating out of 10. This average rating is consist of 390 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.