---
product_id: 704802676
title: "ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications"
brand: "expertpower"
price: "¥3752"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/704802676-expertpower-12v-50ah-lithium-lifepo4-deep-cycle-rechargeable-battery-2500
store_origin: JP
region: Japan
---

# 4000-7000 deep cycles lifespan 50Ah high-capacity power Built-in advanced BMS protection ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications

**Brand:** expertpower
**Price:** ¥3752
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your adventures with confidence—energy that keeps up with your hustle!

## Quick Answers

- **What is this?** ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications by expertpower
- **How much does it cost?** ¥3752 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/704802676-expertpower-12v-50ah-lithium-lifepo4-deep-cycle-rechargeable-battery-2500)

## Best For

- expertpower enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros:** 36 years of expertise and over a million batteries sold—join the community powering the future.
- • **Power That Lasts:** 50Ah capacity fuels your RV, solar, or off-grid lifestyle with reliable energy.
- • **Cycle Through Life:** Up to 7000 deep cycles means a decade of uninterrupted power—outperforming industry norms.
- • **Tested for Toughness:** Rigorous impact, fire, and puncture tests ensure resilience in the harshest environments.
- • **Smart Battery Management:** Integrated BMS safeguards against overcharge, overheating, and short circuits for worry-free use.

## Overview

This 12V 50Ah LiFePO4 deep cycle battery offers an industry-leading 4000 to 7000 charge cycles and a 10-year lifespan, featuring a built-in advanced Battery Management System for superior safety and performance. Trusted by professionals with 36 years of expertise, it’s rigorously tested for durability and ideal for RV, solar, marine, and off-grid applications.

## Description

The battery's proprietary lithium-iron phosphate chemistry takes the hassle out of maintaining and utilizing the power you need. Batteries are meant to be used when you need them and if you need them all the time then lead acid becomes too unreliable and exhausting to keep track of. The lithium chemistry of the battery cuts the weight of the traditional lead acid battery to less than half while providing a massive boost to performance and capacity so you won't miss a single second of runtime. Designed for more than just storing power easily, they're here for you to provide long-lasting peace of mind with their immense durability making it easy to use them in your home, at your job, or for your outdoor needs where trust, safety, and the environment matter most. ExpertPower's lithium battery is the next step to a cleaner, stronger, and safer power solution.Nominal Voltage: 12.8vCharging Voltage: 14.4±0.2vRated Capacity : 50Ah (0.2C, 25°C)Terminal Type: F11/M6Dimensions (L x W x H): 7.7 x 6.5 x 6.6 (H + Terminal: 6.9) InchWeight: 14.6lbsMax. Continue Discharge Current: 50AMax. Permanent Discharge Current: 100A 10Sec.Max. Continue Charge Current: 25ALife Cycles: 2500 with 100% DOD; 3600 with 80% DOD; 7000 with 50% DODOperating Temperature:Discharging: -4°F to 140°FCharging: 32°F to 140°FStorage Duration:12 months at 77°F1 Year Hassle-Free Warranty

## Features

- Trusted by Industry Professionals and Installers: With a proud legacy of 36 years in the industry, now our LiFePO4 batteries have earned widespread adoption across various industries, endorsed by professionals and installers alike. Selling over a million batteries and over 80 Megawatt-hours of energy every year and growing, our track record speaks volumes about our product's reliability and performance.
- Unmatched Cell Technology: Our LiFePO4 batteries are crafted using state-of-the-art cells, setting a new standard in battery design. Our cells recently ranked #3 globally in shipping by volume. Held to the highest standards and quality checks, our cells make our batteries outshine the rest. Our LiFePO4 batteries provide 4000 to 7000 cycles & a 10-years expected lifetime compared to others in the industry.
- Cutting-Edge BMS for Superior Battery Performance: With our proprietary Battery Management System (BMS), precisely optimized to complement our specific cells, you can expect maximum useful life and unparalleled battery protection, ensuring years of uninterrupted enjoyment. Our industry leading built-in Battery Management System (BMS) protects the battery cells from overcharge, deep discharge, overloading, overheating, low-temperatures and short circuits.
- Unparalleled Resilience through Rigorous Testing: Our prismatic cells undergo rigorous testing across a multitude of conditions: from puncturing, to fire, short circuit, and even high impact damage, our cells are tested against all types of damage, providing outstanding resilience and the peace of mind you deserve.
- The Expert Promise: Experience Hassle-Free Purchasing with Our Unwavering Warranty and World-Class Tech Support: When you choose our LiFePO4 batteries, rest assured of a seamless and reassuring buying process, backed by our exceptional warranty and dedicated technical support.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Terminal | f11/M6 |
| Voltage | 12.8 Volts (DC) |
| Compatible with Vehicle Type | Passenger Car |
| Item Weight | 13 Pounds |
| Item Dimensions D x W x H | 6.5"D x 7.7"W x 6.6"H |
| Size | 1 Count (Pack of 1) |
| Battery Type | Lithium-Phosphate |

## Product Details

- **Brand:** ExpertPower
- **Vehicle service type:** Passenger Car
- **Size:** 1 Count (Pack of 1)
- **Voltage:** 12.8 Volts (DC)
- **Battery cell composition:** Lithium Ion

## Images

![ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 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/71vGzYuSIsL.jpg)
![ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications - Image 2](https://m.media-amazon.com/images/I/61aufo9TaBL.jpg)
![ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications - Image 3](https://m.media-amazon.com/images/I/71+F1eUhW+L.jpg)
![ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications - Image 4](https://m.media-amazon.com/images/I/61w0pCkCuPL.jpg)
![ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications - Image 5](https://m.media-amazon.com/images/I/61HIBCHWQKL.jpg)

## Available Options

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

## Questions & Answers

**Q: product descriotion temperature cutoff at -5C battery description says charge at +0C, is this a mistake?**
A: no, Lithium batteries do not charge well at those temps.  Some batteries have internal heaters that help with this problem.

**Q: This battery claims to have low-temperature (i.e., below freezing) protection. A review from 2020 says that wasn't the case then, is it now?**
A: Yes, this battery comes with low-temp cut off protection, here is the specification sheet for your reference: https://m.media-amazon.com/images/I/B1OyZXAJndS.pdf

**Q: Burst discharge rate? i’m wondering if this could possibly replace a lead acid battery with 600cca**
A: Our LiFePO4 batteries are not starter batteries and should not be used as such. That being said, the surge current is 100A for 10s

562-630-3002
support@expertpower.us

**Q: Will this be powerful enough to start a car?**
A: No

## Frequently Bought Together

- ExpertPower 12V 50Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications
- ExpertPower 12V 20A Smart Charger for Lithium LiFePO4 Deep Cycle Rechargeable Batteries

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*