---
product_id: 373436754
title: "ECI Power 12V 12Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications"
brand: "eci power"
price: "€ 91.56"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/373436754-eci-power-12v-12ah-lithium-lifepo4-deep-cycle-rechargeable-battery
store_origin: IE
region: Ireland
---

# 12V 12Ah high-capacity power 2000-5000 deep cycles lifespan Built-in BMS for ultimate safety ECI Power 12V 12Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications

**Brand:** eci power
**Price:** € 91.56
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your journey with confidence and never look back!

## Quick Answers

- **What is this?** ECI Power 12V 12Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications by eci power
- **How much does it cost?** € 91.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/373436754-eci-power-12v-12ah-lithium-lifepo4-deep-cycle-rechargeable-battery)

## Best For

- eci power enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** 12V 12Ah LiFePO4 cells deliver reliable energy for all your off-grid and mobile needs.
- • **Safety First, Always:** Integrated Battery Management System shields against overcharge, overheating, and short circuits.
- • **Cycle-Proof Longevity:** Up to 5000 life cycles at 50% depth of discharge means your investment keeps going strong.
- • **Ready for Any Adventure:** Lightweight (3.39 lbs) and compact design fits perfectly in RVs, solar setups, marine vessels, and overland rigs.
- • **Maintenance-Free Freedom:** Low self-discharge and built-in low-temp cutoff enable up to 1 year of storage without worry.

## Overview

The ECI Power 12V 12Ah LiFePO4 deep cycle battery combines cutting-edge UL1642 Grade-A cells with a robust built-in BMS, delivering up to 5000 cycles and a 10-year lifespan. Lightweight and compact, it’s engineered for RV, solar, marine, and off-grid applications, offering safe, maintenance-free, and long-lasting power at an unbeatable price.

## Description

Full description not available

## Features

- ECI Power: A brand for everyone with the goal of providing an open avenue for all to know that safe lithium power should not be cost-prohibitive nor outside the scope of your project.
- Unmatched Technology: The ECI Power LiFePO4 battery is designed to meet the needs of modern energy applications while exceeding performance comparable to even the most expensive batteries on the market.
- Proven Quality: The battery utilizes UL1642 listed LiFePO4 Grade-A cells and is backed by our industry-leading engineering and after-sale teams covering North America and beyond since 1987.
- Economical: At a phenomenal price point, the battery is rigorously lab-tested and guaranteed to meet a minimum 2000 cycles at 80% DOD, providing high-performance longevity with a maximum of 5000 cycles at 50% DOD.
- Complete Protection: The lithium battery’s unique built-in Battery Management System (BMS) protects it from overcharge, deep discharge, overloading, overheating and short circuit, and excessive low self-discharge rate ensuring up to 1 year maintenance-free storage. Built-in low-temp cut off prevents charging under 23 °F (-5 °C).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ExpertPower |
| Brand | ECI Power |
| Item Weight | 3.39 pounds |
| Package Dimensions | 7.24 x 5.79 x 5.51 inches |
| Item model number | ECI1212 |
| Batteries | 1 Product Specific batteries required. |
| Manufacturer Part Number | ECI1212 |

## Product Details

- **Brand:** ECI Power
- **Vehicle Service Type:** Passenger Car
- **Size:** 12 AH
- **Voltage:** 12 Volts
- **Battery Cell Composition:** Lithium Ion
- **Terminal:** Marine Terminal
- **Manufacturer:** ExpertPower
- **UPC:** 840140942989

## Images

![ECI Power 12V 12Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications - Image 1](https://m.media-amazon.com/images/I/71+gVZflgjL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- ECI Power 12V 12Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications
- ULTRAPOWER 4-Amp 14.6 Volt LiFePO4 Battery Charger,12.8 Volt LiPO Lithium Battery Charger,Smart Battery Charger Maintainer for Cars,Motocycles,Golf Carts,UAV,Fishing Boat and Deep Cycle Batteries.

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**Shop now:** [https://www.desertcart.ie/products/373436754-eci-power-12v-12ah-lithium-lifepo4-deep-cycle-rechargeable-battery](https://www.desertcart.ie/products/373436754-eci-power-12v-12ah-lithium-lifepo4-deep-cycle-rechargeable-battery)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-12*