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Item #:
137338319
12V 400Ah LiFePO4 Lithium Battery 200A BMS 5.12kW 15000+Cycle Solar RV Off-grid
Item #:
137338319
ETB 117198
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Extremely safe and can neither explode nor burn.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Cycle Life
With over 15,000 cycles, this LiFePO4 lithium battery offers unmatched longevity, ensuring dependable energy storage for years in solar and off-grid applications. Say goodbye to frequent replacements, maximizing your investment.
Powerful BMS
Equipped with a 200A Battery Management System (BMS), it protects the battery from overcharging and overheating, enhancing safety and efficiency for RVs and off-grid systems, providing peace of mind during use.
Robust Capacity
Providing a substantial 400Ah capacity, this battery supports extensive energy needs, making it ideal for solar setups and off-grid living. Users benefit from consistent power supplies for appliances and electronics.
Product Details
| Current Output | 200 A |
| Operating Temperature (Charge) | 32℉-122℉ |
| System Configuration | Off-Grid |
| Solar Technology | Amorphous (Thin-Film) |
| MPN | KEP12V 400AH |
| Chemical Composition | Lithium Iron Phosphate (LiFePO4) |
| Max. Continuous Charging Current | 200A |
| Charging Voltage | 14.1±0.4V |
| Max. Charging Current | 200A |
| Max. Discharging Current | 400A 5Sec |
| Current Type | DC |
| Manufacturer Warranty | 5 Years |
| Voltage | 12V |
| Features | Portable |
| Life Time | 10 Years |
| Buil-in BMS | 200A BMS Board |
| Operating Temperature (Discharge) | -4°F~140°F |
| Life Cycles | More than 4000 |
| Color | Black |
| Max. Continuous Load Power | 5120W |
| Current Rating | ≤200A |
| Brand | KEPWORTH |
| Type | Rechargeable battery |
| Amp Hours | 400 Ah |
| Max. Continuous Discharging Current | 200A |
| Model | 12V 400AH |
| Country of Origin | China |
| Resistance Properties | Water Resistant |
| Application | Off-grid applications, Backup power, RV, Security systems. |
| Power | 5120W |
| UPC | Does not apply |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Off-Grid Living
Ideal for users living off-grid seeking reliable, long-lasting power for homes or cabins in remote locations.
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Solar Energy Systems
Perfect for solar energy setups, providing efficient energy storage with a high cycle life for sustainability.
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RV Enthusiasts
Great for RV users who need dependable power on the go, supporting appliances and electronics during trips.
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Budget-Conscious Buyers
May not suit those with a tight budget due to higher upfront costs compared to traditional batteries.
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Short-Term Use
Not ideal for customers needing temporary power solutions as it is designed for long-term energy storage.
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Heavy Load Applications
May not meet demands of heavy industrial applications that require larger capacity and power output.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the lifespan of the lithium iron phosphate battery?
Answer: The battery has a lifespan of up to 10 years. -
Question:
Can I use this battery in marine applications?
Answer: Yes, the battery is suitable for marine applications as well as other uses. -
Question:
Is the battery safe to use?
Answer: Yes, it is extremely safe and cannot explode or burn.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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ETB 117198
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Mature alternative to lead batteries with maximum safety.
- Long lifespan of up to 10 years with deep cycle capability.
- Built-in 100A BMS protects against overcharge, over-discharge, and short circuits.
- Environmentally friendly materials with no memory function.
- Versatile use across various applications including UPS, solar systems, and marine.
- Capacity can be expanded by connecting multiple batteries in parallel or series.
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