---
product_id: 723306737
title: "12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications"
brand: "dumfume"
price: "€ 2100.59"
currency: EUR
in_stock: true
reviews_count: 8
category: "Dumfume"
url: https://www.desertcart.com.cy/products/723306737-12v-400ah-lifepo4-lithium-battery-5120wh-energy-built-in-200a
store_origin: CY
region: Cyprus
---

# 200A built-in BMS protection 5120Wh high capacity 15,000+ deep cycles lifespan 12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications

**Brand:** dumfume
**Price:** € 2100.59
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your independence with next-gen energy storage!

## Quick Answers

- **What is this?** 12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications by dumfume
- **How much does it cost?** € 2100.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/723306737-12v-400ah-lifepo4-lithium-battery-5120wh-energy-built-in-200a)

## Best For

- dumfume enthusiasts

## Why This Product

- Trusted dumfume brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged & Ready:** Impact-resistant ABS casing built to withstand harsh environments and keep you powered.
- • **Power That Lasts:** Massive 5120Wh capacity fuels your off-grid lifestyle without compromise.
- • **Smart Safety Shield:** Integrated 200A BMS guards against overcharge, discharge, and extreme temps for worry-free use.
- • **Unmatched Durability:** Over 15,000 deep cycles means this battery outlives traditional lead-acid by years.
- • **Scalable Energy Freedom:** Link up to 4 units for a whopping 20.48kWh system—perfect for whole-home solar backup.

## Overview

The Dumfume 12V 400Ah LiFePO4 battery delivers a robust 5120Wh capacity with an industry-leading 15,000+ cycle lifespan. Featuring a built-in 200A Battery Management System, it ensures advanced protection against electrical faults and extreme temperatures. Its modular design supports expansion up to 20.48kWh, ideal for RVs, solar setups, and off-grid homes. Encased in durable ABS, this lightweight yet powerful battery redefines reliable, long-term energy storage for professionals who demand performance and peace of mind.

## Description

Product description LiFePO4 Lithium Battery - Ideal for Portability, Efficiency, and Space Saving Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered. Dumfume LiFePO4 Battery Series 12V 400Ah 36V 100Ah 48V 100Ah 12V 600Ah 12V 300Ah 2 Packs 12V 300Ah 24V 100Ah

Review: Upgrade your old golf carts with this powerful replacement battery - I have a 36v EZGO TXT 4 seater running on the 38.4v 100ah variety and 48v Cushman Hauler running on the 51.2v 100ah version. When I first hooked it up to my TXT cart there must have been a sudden high current spike which caused the BMS to cut the power. Capacitors in a controller that's been sitting unused can cause current spikes. Sitting on a steep incline will require a lot of amps to get moving. Sticky brakes or a stuck brake pedal will increase resistance and cause a spike in current. I was able to wake the battery up by hooking it up to a charger. I was very cautious and went easy on the accelerator initially, but now both batteries are hooked up and powering my golf carts. They seem to be well made. The batteries came with their own wired displays. The display that comes with the 48v/52.1v colorful version displays the battery voltage, battery percentage, and real time AMP draw while in operation, compared to the 36v/38.4v version which only gives voltage and estimated percentage remaining.
Review: Perfect for golf cart/LSV - Worth every penny. This battery exceeded my needs and worked great on a my golf cart. Strongly recommend.

## Features

- High Capacity & Long Lifespan：The 12V 400Ah LiFePO4 lithium battery delivers 5120Wh of energy, ideal for extended runtime in demanding applications. With 4000-15000 deep cycles, it outperforms lead-acid batteries in longevity. Voltage remains stable even under heavy 4000W loads, ensuring reliable power for high-demand devices. Perfect for Fishing,Camping,Solar,Golf Cart,Backup Power Systems
- 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.Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered.
- Safety: Our Batteries Have Certifications. Crafted With High-Strength, Impact-Resistant ABS Casing, Our lifepo4 battery Excels In Heat, weather resistance (not waterproof), And Flame Resistance. It Ensures Stable And Lasting Power In Harsh Environments.
- 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!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0F5B686XS |
| Battery Cell Composition | Lithium-Phosphate |
| Battery Type | Lithium-Phosphate |
| Best Sellers Rank | #73,487 in Automotive ( See Top 100 in Automotive ) #70 in 12V Batteries #1,789 in Powersports Batteries |
| Brand | dumfume |
| Brand Name | dumfume |
| Compatible with Vehicle Type | Golf Cart, RV |
| Customer Reviews | 4.5 out of 5 stars 460 Reviews |
| Item Weight | 37.5 Kilograms |
| Manufacturer | dumfume |
| Manufacturer Part Number | S95378 |
| Size | 12.8V 400Ah |
| Vehicle Service Type | Golf Cart, RV |
| Voltage | 12.8 Volts |

## Product Details

- **Battery Cell Composition:** Lithium-Phosphate
- **Brand:** dumfume
- **Item Weight:** 37.5 Kilograms
- **Manufacturer:** dumfume
- **Size:** 12.8V 400Ah
- **Vehicle Service Type:** Golf Cart, RV
- **Voltage:** 12.8 Volts

## Images

![12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications - Image 1](https://m.media-amazon.com/images/I/71ZVQGryQEL.jpg)
![12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications - Image 2](https://m.media-amazon.com/images/I/814KqLpWetL.jpg)
![12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications - Image 3](https://m.media-amazon.com/images/I/81YS6zFB4tL.jpg)
![12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications - Image 4](https://m.media-amazon.com/images/I/71XiYRBXQ9L.jpg)
![12V 400Ah LiFePO4 Lithium Battery,5120Wh Energy Built-in 200A BMS 15000+ Cycles for RV,Solar,Home Energy Storage,Off-Grid Applications - Image 5](https://m.media-amazon.com/images/I/8139yF4GsTL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Upgrade your old golf carts with this powerful replacement battery
*by M***T on January 20, 2026*

I have a 36v EZGO TXT 4 seater running on the 38.4v 100ah variety and 48v Cushman Hauler running on the 51.2v 100ah version. When I first hooked it up to my TXT cart there must have been a sudden high current spike which caused the BMS to cut the power. Capacitors in a controller that's been sitting unused can cause current spikes. Sitting on a steep incline will require a lot of amps to get moving. Sticky brakes or a stuck brake pedal will increase resistance and cause a spike in current. I was able to wake the battery up by hooking it up to a charger. I was very cautious and went easy on the accelerator initially, but now both batteries are hooked up and powering my golf carts. They seem to be well made. The batteries came with their own wired displays. The display that comes with the 48v/52.1v colorful version displays the battery voltage, battery percentage, and real time AMP draw while in operation, compared to the 36v/38.4v version which only gives voltage and estimated percentage remaining.

### ⭐⭐⭐⭐⭐ Perfect for golf cart/LSV
*by S***O on January 22, 2026*

Worth every penny. This battery exceeded my needs and worked great on a my golf cart. Strongly recommend.

### ⭐⭐⭐⭐⭐ value battery . let's see if this holds up.
*by M***L on February 1, 2026*

this is a replacement unit I purchased after the first one failed to recharge due to its faulty cold temperature charging protection. It is a great value for 300ah battery for only $300. It worked well for me until it stopped charging at the freezing temp which was a feature. However, even after the temp bounced back to 40Fs it wouldn't charge. Finally after the temp hit mid 50Fs it started charging again. Needless to say, the defective unit had to be returned and now I have a new unit. I will report back if there is the same problem.

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---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-03*