---
product_id: 736068069
title: "Casil 6v 3ah Rechargeable Lithium Iron Phosphate lifepo4 Battery"
brand: "casil"
price: "$191"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/736068069-casil-6v-3ah-rechargeable-lithium-iron-phosphate-lifepo4-battery
store_origin: NZ
region: New Zealand
---

# Built-in BMS protection Direct lead-acid replacement 2000+ cycles lifespan Casil 6v 3ah Rechargeable Lithium Iron Phosphate lifepo4 Battery

**Brand:** casil
**Price:** $191
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smarter, last longer — don’t get left in the dark!

## Quick Answers

- **What is this?** Casil 6v 3ah Rechargeable Lithium Iron Phosphate lifepo4 Battery by casil
- **How much does it cost?** $191 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/736068069-casil-6v-3ah-rechargeable-lithium-iron-phosphate-lifepo4-battery)

## Best For

- casil enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Upgrade:** Fits traditional 6V lead-acid battery slots seamlessly
- • **Lightweight & Compact:** Only 259g with sleek dimensions for easy installation
- • **Ultra-Long Life Power:** 2000+ recharge cycles for years of reliable energy
- • **Smart Battery Management:** Built-in BMS safeguards against overcharge, discharge & overheating
- • **Versatile Power Solution:** Perfect for kids’ ride-ons, security systems, emergency lights & more

## Overview

The Casil 6V 3Ah LiFePO4 rechargeable battery offers 2000+ cycles—8-10x longer than lead-acid alternatives. Featuring a built-in Battery Management System, it protects against common battery failures while fitting directly into standard 6V lead-acid battery slots. Lightweight and versatile, it powers everything from kids’ electric vehicles to security and emergency devices with reliable, long-lasting energy.

## Description

Casil 6v 3ah Lithium Battery

## Features

- Long Cycle Life, 2000+ Cycles. 6V lithium ion battery pack is constructed from 2pcs High Quality 32700 cells
- Appearance shape, size of the product is similar to the specifications of traditional lead-acid batteries, so you can be installed directly instead of the customary lead-acid battery. Compatible with Kids Ride On Car, 6V Battery Powered Electric Vehicle
- Our LiFePO4 lithium iron batteries' service life is 8 to 10 times that of standard lead-acid batteries. Minimize the average cost of use.
- Casil Lithium battery has a build-in BMS, which can prevent the LifePO4 battery from the most common issues causing battery failure, such as overcharge, over-discharge, over-current, overheating, short circuit
- Widely uses in most areas such as: Gate Opener, Emergency Light, Deer Game Feeder, Exit Sign, Electronics, UPC Backups, UPS Power Solutions, Fire & Security Systems, Lantern, Kids Ride On Car, Power wheels, Home Alarm and more...

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Casil |
| Manufacturer | Chee Yuen Industrial Co., Ltd |
| Model | 6v 3ah lithium Battery |
| Model Name | 6v 3ah lithium Battery |
| Package Dimensions | 11.28 x 8.26 x 5.97 cm; 258.55 g |
| Batteries | 1 12V batteries required. (included) |
| Item model number | 6v 3ah lithium Battery |
| Number of items | 1 |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Does it contain liquid? | No |
| Manufacturer | Chee Yuen Industrial Co., Ltd |
| Item Weight | 259 g |

## Product Details

- **Brand:** Casil
- **Manufacturer:** Chee Yuen Industrial Co., Ltd
- **UPC:** 799023881900

## Images

![Casil 6v 3ah Rechargeable Lithium Iron Phosphate lifepo4 Battery - Image 1](https://m.media-amazon.com/images/I/618Qs19CR5L.jpg)

## Frequently Bought Together

- 6V 4Ah Battery for Ride On Toys, SLA Rechargeable, Sealed Lead Acid, Casil CA640 Replacement, NT6-4 Neata Compatible, 6V 4Ah Rechargeable Battery
- Mroinge MBC022, 12V 2A Lead Acid & Lithium(LiFePO4) Automatic Trickle Battery Charger Smart Battery Maintainer for Car Motorcycle Lawn Mower Boat ATV SLA AGM Gel Lithium(LiFePO4) and More Batteries

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**Shop now:** [https://www.desertcart.nz/products/736068069-casil-6v-3ah-rechargeable-lithium-iron-phosphate-lifepo4-battery](https://www.desertcart.nz/products/736068069-casil-6v-3ah-rechargeable-lithium-iron-phosphate-lifepo4-battery)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-08*