---
product_id: 450847199
title: "PENGLIN 5PCS 1S 3.7V 4A 18650 Battery Charging Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell"
brand: "penglin"
price: "KSh3133"
currency: KES
in_stock: true
url: https://www.desertcart.co.ke/products/450847199-penglin-5pcs-1s-3-7v-4a-18650-battery-charging-protection
store_origin: KE
region: Kenya
---

# 4A current 3.7V power 4 protections PENGLIN 5PCS 1S 3.7V 4A 18650 Battery Charging Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell

**Brand:** penglin
**Price:** KSh3133
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Safety!

## Quick Answers

- **What is this?** PENGLIN 5PCS 1S 3.7V 4A 18650 Battery Charging Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell by penglin
- **How much does it cost?** KSh3133 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/450847199-penglin-5pcs-1s-3-7v-4a-18650-battery-charging-protection)

## Best For

- penglin enthusiasts

## Why This Product

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

## Key Features

- • **Ultimate Safety:** Experience peace of mind with over-discharge, overcurrent, overcharge, and short circuit protection.
- • **User-Friendly Setup:** Follow simple wiring instructions for hassle-free installation and activation.
- • **Low Power Consumption:** Enjoy efficient energy use with low standby current, maximizing battery life.
- • **Versatile Compatibility:** Perfect for various applications, from massagers to solar street lights.
- • **Long-lasting Performance:** Designed for durability with a lifespan exceeding 50,000 hours.

## Overview

The PENGLIN 5PCS 1S 3.7V 4A 18650 Battery Charging Protection Board PCB BMS is engineered for high accuracy and durability, featuring multiple safety protections to ensure the longevity and safety of your lithium battery applications. With a low standby current and compatibility across various devices, this protection board is a must-have for any tech-savvy user.

## Description

PENGLIN 5PCS 1S 3.7V 4A 18650 Battery Charging Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell

## Features

- HIGH-ACCURACY, HIGHLY DURABLE: High-accuracy voltage detection circuit, fine workmanship and durable, Effective life greater than 50000 hours.
- MULTIPLE PROTECTION: Over-discharge protection, overcurrent protection, overcharge protection, short circuit protection; A combination of 4 safety features that work together to provide ultimate protection for your devices, your chargers and most importantly:you.
- LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption.
- WIDELY APPLICATIONS: Use for variety of capacities and various shapes 3.7V lithium batteries,Massager battery pack, LED light backup power supply, solar street light battery pack, monitor standby power supply, etc.
- ATTENTION: Strictly according to the diagram wiring: B+: connected battery positive, B-: connect to battery negative, P+: connection charge / discharge positive, P- connection charge / discharge negative, Otherwise it will cause damage to the chip. After connection,it need to first charge activation, then will have the output.

## Product Details

- **Brand:** PENGLIN
- **Colour:** Black Green
- **Item weight:** 0.02 Kilograms
- **Output voltage:** 4.2 Volts
- **Input voltage:** 4.2 Volts

## Images

![PENGLIN 5PCS 1S 3.7V 4A 18650 Battery Charging Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell - Image 1](https://m.media-amazon.com/images/I/61hmoPvI5GL.jpg)

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**Shop now:** [https://www.desertcart.co.ke/products/450847199-penglin-5pcs-1s-3-7v-4a-18650-battery-charging-protection](https://www.desertcart.co.ke/products/450847199-penglin-5pcs-1s-3-7v-4a-18650-battery-charging-protection)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-02-07*