---
product_id: 166027929
title: "KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit"
brand: "koobook"
price: "A$15"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/166027929-koobook-10pcs-3a-bms-protection-board-with-solder-belt-1s
store_origin: AU
region: Australia
---

# Overcurrent Protection 3.7V Output Short Circuit Safety KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit

**Brand:** koobook
**Price:** A$15
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Projects with Confidence!

## Quick Answers

- **What is this?** KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit by koobook
- **How much does it cost?** A$15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/166027929-koobook-10pcs-3a-bms-protection-board-with-solder-belt-1s)

## Best For

- koobook enthusiasts

## Why This Product

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

## Key Features

- • **⚙️ Easy Setup:** Follow the simple wiring diagram for hassle-free installation and immediate functionality.
- • **📈 High Integration:** Ideal for high integration and low-cost applications, making it a smart choice for your projects.
- • **🔒 Unmatched Safety:** Equipped with overcharge, over-discharge, and short circuit protection to keep your battery safe.
- • **💡 Low Power Consumption:** Designed for efficiency with low current consumption, ensuring stable performance.
- • **🔧 Versatile Compatibility:** Perfectly suited for various shapes of 3.N capacity lithium batteries, meeting diverse needs.

## Overview

The KOOBOOK 10pcs 3A BMS Protection Board is a robust solution for 1S 3.7V 18650 Li-ion Lithium battery cells, featuring essential safety functions like overcharge, over-discharge, and short circuit protection. With low current consumption and stable performance, this board is perfect for a variety of battery shapes and applications, ensuring both safety and efficiency.

## Description

KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit

## Features

- With over charge, over discharge, short circuit, over current protection function, for a variety of different shapes of 3.N capacity lithium batteries.
- Suitable for many requirements of high integration, low cost occasions.
- Can meet the performance requirements of many aspects, to ensure, the absolute safety of the battery group.
- Low current consumption,stable performance.
- Strictly follow the diagram wiring, do not intentionally short-circuit! After the line is connected, you need to charge first, then there will be output.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Green |
| Output Voltage | 3.7 Volts |
| Input Voltage | 3.7 Volts |

## Product Details

- **Brand:** KOOBOOK
- **Color:** Green
- **Item Weight:** 0.01 Kilograms
- **Input Voltage:** 3.7 Volts
- **Output Voltage:** 3.7 Volts

## Images

![KOOBOOK 10pcs 3A BMS Protection Board with Solder Belt for 1S 3.7V 18650 Li-ion Lithium Battery Cell Kit - Image 1](https://m.media-amazon.com/images/I/61qawjMYboL.jpg)

## Questions & Answers

**Q: How do I connect these for 24 volts using 14 18650 batteries? 7 in series, 2 groups in parallel.**
A: I recommend to use 3S 11.1V 12.6V 25A W/Balance 18650 Li ion Lithium Battery PCB Protection Board
Know as a BMS. search for DIY 18650 battery pack

**Q: What is the max input voltage? Would 5v be ok**
A: 5v input should be fine. The battery will be allowed to charge till a battery measure of 4.25 is reached, then the circuit will disconnect your 5v input from the battery.

## Frequently Bought Together

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-01*