---
product_id: 782466007
title: "12V 100Ah Lithium Battery,LiFePO4 Battery Built-in 100A BMS Protect,Group 31 Deep Cycle Portable Power,Lithium Iron Phosphate Battery for Trolling Motors,Yacht, Marine,RV, Home Energy (1 Pack-100Ah)"
brand: "eiiev"
price: "3015 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Eiiev"
url: https://www.desertcart.dk/products/782466007-12v-100ah-lithium-battery-lifepo4-battery-built-in-100a-bms
store_origin: DK
region: Denmark
---

# Built-in 100A BMS for ultimate safety 100Ah high-capacity power Lightweight at just 24.25 lbs 12V 100Ah Lithium Battery,LiFePO4 Battery Built-in 100A BMS Protect,Group 31 Deep Cycle Portable Power,Lithium Iron Phosphate Battery for Trolling Motors,Yacht, Marine,RV, Home Energy (1 Pack-100Ah)

**Brand:** eiiev
**Price:** 3015 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Your Freedom with Lightweight, Long-Lasting Lithium Energy!

## Quick Answers

- **What is this?** 12V 100Ah Lithium Battery,LiFePO4 Battery Built-in 100A BMS Protect,Group 31 Deep Cycle Portable Power,Lithium Iron Phosphate Battery for Trolling Motors,Yacht, Marine,RV, Home Energy (1 Pack-100Ah) by eiiev
- **How much does it cost?** 3015 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/782466007-12v-100ah-lithium-battery-lifepo4-battery-built-in-100a-bms)

## Best For

- eiiev enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Longevity:** Up to 15,000 cycles—10x longer than lead-acid batteries, powering your adventures for a decade.
- • **Versatile & Reliable:** Perfect for trolling motors, marine, RV, and home backup with UL-certified Grade A+ LiFePO4 cells.
- • **Scalable Energy Storage:** Connect up to 4 in series and parallel for a massive 20.48kWh capacity—future-proof your energy needs.
- • **Featherweight Powerhouse:** Weighs only one-third of traditional lead-acid batteries—portable power wherever you go.
- • **Consistent High Performance:** 95% usable capacity with a flat discharge curve ensures steady power without sudden drops.

## Overview

The Eiiev 12V 100Ah LiFePO4 battery delivers industry-leading longevity with up to 15,000 deep cycles and a 10-year lifespan. Featuring a built-in 100A Battery Management System (BMS) for enhanced safety and a lightweight design at just 24.25 lbs, it offers 95% usable capacity with a stable voltage output. Ideal for marine, RV, trolling motors, and home energy storage, it supports scalable configurations up to 20.48kWh, making it the smart, reliable upgrade from traditional lead-acid batteries.

## Description

Buy 12V 100Ah Lithium Battery,LiFePO4 Battery Built-in 100A BMS Protect,Group 31 Deep Cycle Portable Power,Lithium Iron Phosphate Battery for Trolling Motors,Yacht, Marine,RV, Home Energy (1 Pack-100Ah): 12V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Reliable power, long battery life - These 12V lithium batteries work exactly as expected and provide steady, reliable power. Easy to install and lightweight compared to traditional batteries. They hold a charge well and recharge quickly, making them great for power wheels, small UPS systems, camping gear, and fish finders. Solid build quality and a great value, especially with the long cycle life.
Review: Excellent Reliable Power! - This 12V 100Ah LiFePO4 battery delivers strong, steady power and lasts way longer than a lead-acid battery. The built-in 100A BMS gives great protection, and it’s super lightweight for the capacity. Perfect for trolling motors, RV use, marine setups, and home backup. Great performance and definitely worth it!

## Features

- 【Longer Lifetime】Eiiev12.8V 100Ah LiFePO4 battery provides 4000~15000 cycles (10 times longer) 4000 Time Cycles at 100% DOD, 6000 Time Cycles at 80% DOD, 15000 Time Cycles at 60% DOD & a 10-year lifetime compared to 200~500 cycles & a 3-year lifetime in the lead acid battery.
- 【95%* Efficiency】Eiiev 12V 100Ah LiFePO4 battery's flat discharge curve holds above 12.8 volt 100amp for up to 95%* of its capacity usage, providing astronomical boosts in run-time compared with only 50% in Lead Acid. This product is your best choice for outdoor camping power and indoor easy installation. Without memory effect, no matter what state the battery is in, it can be used as soon as it is charged.
- 【Lightweight-Easy to Move】Eiiev lightweight trolling motor battery weighting only 24.25 lbs for one module, it weighs only 1/3* the weight of lead-acid batteries. LiFePO4 battery is 50% lighter than a lead acid battery with the same capacity.
- 【Maximum Expansion to 20.48kWh】The RV battery can be connected 4 in parallel & 4 in series (Max 4P4S) for larger capacity: Max 20.48kWh energy storage . Perfect for 30-70LBThrust Trolling Motors and RVs, Home Backup Energy, etc.
- 【Wide Applications】12V 100Ah lithium battery is the perfect replacement for your less durable Lead Acid batteries. It is suitable for a variety of applications, including Trolling Motors, Marine, Boat，RV Battery
- 【Grade A+ LiFePO4 Battery】Eiiev Group 31 LiFePO4 Lithium batteries have exceptional quality since they are manufactured by Grade A+ Lithium Iron Phosphate (LiFePO4) Cells with higher energy density, more stable performance, and greater power. Highest-level safety based on UL Testing Certificate for the cell inside the battery. This makes deep cycle LiFePO4 batteries perfect for solar homes, RVs, campers, Trolling motors, and off-grid applications
- 【Easy to recharge】 The new 12v rechargeable battery adapt a 14.6V 20A charger with pulse function to charge the battery. (Auto charger,standard lead-acid chargers, non-pulse lithium chargers, or automotive chargers is not supported)
- 【Tip】After you receive the package, please use a battery measurement instrument to check the battery voltage and analyze the battery issues through the battery voltage. 1) If the battery voltage is below 12V, it indicates that the battery has been protected by the BMS system and needs to be activated with a 14.6V charger. Wait for a long time and then measure the battery voltage again.
- 【Note】This 12 volt lithium battery is suitable for energy storage rather than start-up battery. ！DO NOT connect batteries of different brands or types in series or parallel. (Mixing batteries from different brands may cause fire.)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FPFSJT8P |
| Automotive Fit Type | Universal Fit |
| Batteries | 1 12V batteries required. |
| Best Sellers Rank | #83,398 in Health & Household ( See Top 100 in Health & Household ) #174 in 12V Batteries |
| Brand | Eiiev |
| Customer Reviews | 4.6 4.6 out of 5 stars (28) |
| Date First Available | July 9, 2025 |
| Item Weight | 26.4 pounds |
| Item model number | 20260114-100Ah |
| Manufacturer | Eiiev |
| Manufacturer Part Number | 20260114-100Ah |
| Model | 20260114-100Ah |
| Number Of Cells | 2 |
| Product Dimensions | 6.9"D x 13"W x 8.7"H |
| Terminal | M8 |
| UPC | 799849424558 |

## Product Details

- **Automotive Fit Type:** Universal Fit
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Eiiev
- **Item Weight:** 26.4 Pounds
- **Manufacturer:** Eiiev
- **Number Of Cells:** 2
- **Product Dimensions:** 6.9"D x 13"W x 8.7"H
- **Terminal:** M8
- **Voltage:** 12 Volts

## Images

![12V 100Ah Lithium Battery,LiFePO4 Battery Built-in 100A BMS Protect,Group 31 Deep Cycle Portable Power,Lithium Iron Phosphate Battery for Trolling Motors,Yacht, Marine,RV, Home Energy (1 Pack-100Ah) - Image 1](https://m.media-amazon.com/images/I/71cwC47J7xL.jpg)

## Questions & Answers

**Q: My battery won’t charge/discharge. what should I Do?**
A: The BMS triggered protection mode due to abnormal voltage/current/temp .You need to adapt a 12-14.6V 20A charger with pulse function to charge the battery. (Auto charger,standard lead-acid chargers, non-pulse lithium chargers is not supported)

**Q: Is it possible to use a 100ah lithium phosphate battery as a car starter battery?**
A: They cannot be used for starting power.They are energy storage batteries.

**Q: What should I do if the internal battery voltage is below 10V or 0V when I receive the package?**
A: About 0v battery we will either replace the battery with a new one . 10-9V battery please use 14.6V 20A charger with pulse function to charge the battery

**Q: Can Eiiev batteries be connected in series or parallel with batteries from other brands?**
A: No. Batteries from different brands have varying internal structures, which can easily lead to fire hazards.

**Q: How many batteries can I connect in series or parallel at most?**
A: This depends on the specific electrical devices. Do not exceed four batteries. The maximum configuration is 4S4P.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable power, long battery life
*by A***. on December 13, 2025*

These 12V lithium batteries work exactly as expected and provide steady, reliable power. Easy to install and lightweight compared to traditional batteries. They hold a charge well and recharge quickly, making them great for power wheels, small UPS systems, camping gear, and fish finders. Solid build quality and a great value, especially with the long cycle life.

### ⭐⭐⭐⭐⭐ Excellent Reliable Power!
*by R***N on November 24, 2025*

This 12V 100Ah LiFePO4 battery delivers strong, steady power and lasts way longer than a lead-acid battery. The built-in 100A BMS gives great protection, and it’s super lightweight for the capacity. Perfect for trolling motors, RV use, marine setups, and home backup. Great performance and definitely worth it!

### ⭐⭐⭐⭐⭐ Good battery
*by K***I on November 19, 2025*

This is really affordable compared to the performance that it offers. I tested it to output 100 continuously for 30 mins. Works fine no problem. The capacity is accurate enough. Good battery

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.dk/products/782466007-12v-100ah-lithium-battery-lifepo4-battery-built-in-100a-bms](https://www.desertcart.dk/products/782466007-12v-100ah-lithium-battery-lifepo4-battery-built-in-100a-bms)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-23*