---
product_id: 788932975
title: "- Dumfume 12V 300Ah (314Ah) LiFePO4 Battery Built-in 200A BMS, 4.01kWh 4000+ Deep Cycles Lithium Battery Ideal for RV Campers, Solar Systems & Off-Grid Power(2 PACKS)"
brand: "dumfume"
price: "15667 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/788932975-dumfume-12v-300ah-314ah-lifepo4-battery-built-in-200a-bms
store_origin: DK
region: Denmark
---

# Built-in 200A BMS for robust safety 4000+ deep cycles for long lifecycle 314Ah capacity for extended power - Dumfume 12V 300Ah (314Ah) LiFePO4 Battery Built-in 200A BMS, 4.01kWh 4000+ Deep Cycles Lithium Battery Ideal for RV Campers, Solar Systems & Off-Grid Power(2 PACKS)

**Brand:** dumfume
**Price:** 15667 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your freedom with unstoppable energy!

## Quick Answers

- **What is this?** - Dumfume 12V 300Ah (314Ah) LiFePO4 Battery Built-in 200A BMS, 4.01kWh 4000+ Deep Cycles Lithium Battery Ideal for RV Campers, Solar Systems & Off-Grid Power(2 PACKS) by dumfume
- **How much does it cost?** 15667 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/788932975-dumfume-12v-300ah-314ah-lifepo4-battery-built-in-200a-bms)

## 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

- • **Compact & Lightweight Design:** Easy to install and transport, perfect for tight RV or solar setups.
- • **Massive 4.01kWh Energy Reserve:** Keep your RV or off-grid system powered longer without compromise.
- • **Scalable Parallel Connectivity:** Seamlessly expand capacity up to 4S4P for customized power solutions.
- • **Ultra-Durable 4000+ Cycle Lifespan:** Outlasts traditional batteries by 8x, saving you replacement costs and hassle.
- • **Advanced 200A Battery Management System:** Ensures peak safety with overcharge, discharge, and short circuit protection.

## Overview

The Dumfume 12V 314Ah LiFePO4 battery duo delivers a combined 4.01kWh of clean, reliable energy with a built-in 200A BMS for enhanced safety. Designed for RVs, solar, and off-grid systems, these lightweight batteries offer over 4000 deep cycles, drastically outlasting traditional lead-acid options. Compact and scalable, they provide a future-proof power solution for the modern adventurer.

## Description

12V 300Ah (314Ah) LiFePO4 Battery Built-in 200A BMS, 4.01kWh 4000+ Deep Cycles Lithium Battery Ideal for RV Campers, Solar Systems & Off-Grid Power(2 PACKS)

## Features

- 【314Ah Capacity for Extended Power】You will received 2 Packs of Dumfume 12V 314Ah LiFePO4 battery delivers a full 4.01kWh of energy, providing substantial power for long-lasting use. This 300ah Lithium Iron Phosphate Battery performance ensures your RV, solar system, or off-grid setup runs efficiently. For optimal storage, perform a full charge/discharge cycle every 6 months.
- 【Robust 200A BMS with Full Protection】DUMFUME 12.8V 300Ah (314Ah) LiFePO4 battery is equipped with a built-in 200A BMS, enabling a continuous 2560W output and safeguarding against overcharge, over-discharge, and short circuits. This ensures the Dumfume 12V 314AH lithium batteries operate safely and reliably under demanding conditions. Please note: not for use as an engine starter battery.
- 【Compact & Lightweight Design】With compact dimensions of 15.16"x7.59"x9.84" and a weight of just 57.28 lbs per unit, Dumfume 314ah lifepo4 battery duo offers exceptional portability and space savings. The 12v 300ah lithium rv battery battery form factor makes installation in RVs and solar cabinets straightforward and efficient.
- 【Long Lifecycle & Cost Efficiency】Engineered for exceptional endurance, the DUMFUME 300Ah (314Ah) Rechargeable Lithium Iron Phosphate Battery delivers over 4,000 cycles at 100% Depth of Discharge (DOD) and more than 6,000 cycles at 80% DOD,far surpassing the 300-500 cycle limit of traditional lead-acid batteries.This robust performance translates to reliable power for your RV adventures, solar energy storage,and off-grid systems,drastically reducing long-term costs and replacement frequency.
- 【Easy Parallel Connection & Usage Note】Easily connect these two Dumfume 12V 314AH lithium batteries in parallel to create a high-capacity 628Ah system. Supports up to 4S4P configurations for larger setups. Remember: This 300ah Lithium Iron Phosphate Battery is designed for energy storage, not engine starting, and requires a full maintenance cycle every 6 months during extended storage.
- Battery performance requires temperatures of 5°C or higher. Please verify suitability before purchase. Return shipping for low-temperature charging issues is not covered.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | dumfume |
| Brand | dumfume |
| Batteries | 2 12V batteries required. |
| Manufacturer Part Number | 2X 12.8V 314Ah LiFePO4 Battery |
| Voltage | 12.8 Volts |

## Product Details

- **Number of Batteries:** 2 12V batteries required.
- **Brand:** dumfume
- **Battery Cell Composition:** Lithium Polymer
- **Voltage:** 12.8 Volts
- **Battery Weight:** 27.6 Kilograms

## Images

![- Dumfume 12V 300Ah (314Ah) LiFePO4 Battery Built-in 200A BMS, 4.01kWh 4000+ Deep Cycles Lithium Battery Ideal for RV Campers, Solar Systems & Off-Grid Power(2 PACKS) - Image 1](https://m.media-amazon.com/images/I/71SkuJhPtmL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.dk/products/788932975-dumfume-12v-300ah-314ah-lifepo4-battery-built-in-200a-bms](https://www.desertcart.dk/products/788932975-dumfume-12v-300ah-314ah-lifepo4-battery-built-in-200a-bms)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-22*