---
product_id: 774115782
title: "1Pcs 3S 4S 30A 40A 60A Protection Board 18650 BMS For Drill Motor 11.1V 12.6V 14.8V 16.8V Enhance Balance (4S 40A?Balance)"
brand: "reland sun"
price: "S$18"
currency: SGD
in_stock: true
reviews_count: 2
category: "Reland Sun"
url: https://www.desertcart.sg/products/774115782-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms
store_origin: SG
region: Singapore
---

# Up to 60A max current Supports 3S & 4S Li-ion packs Active cell balancing 1Pcs 3S 4S 30A 40A 60A Protection Board 18650 BMS For Drill Motor 11.1V 12.6V 14.8V 16.8V Enhance Balance (4S 40A?Balance)

**Brand:** reland sun
**Price:** S$18
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your projects smarter, safer, and stronger!

## Quick Answers

- **What is this?** 1Pcs 3S 4S 30A 40A 60A Protection Board 18650 BMS For Drill Motor 11.1V 12.6V 14.8V 16.8V Enhance Balance (4S 40A?Balance) by reland sun
- **How much does it cost?** S$18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/774115782-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms)

## Best For

- reland sun enthusiasts

## Why This Product

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

## Key Features

- • **Smart Cell Balancing:** Integrated balanced charging ensures longer battery life and safer operation by equalizing cell voltages.
- • **Plug-and-Play Protection:** Easy integration with 18650 battery packs, safeguarding against overcharge, over-discharge, and short circuits.
- • **Thermal Stability Under Load:** Operates reliably up to 60°C at 20A output, keeping your projects cool and efficient.
- • **Power Through with Confidence:** Handles high discharge currents up to 60A for demanding drill motors and power tools.
- • **Versatile Voltage Compatibility:** Optimized for 3S (11.1V) and 4S (14.8V) lithium-ion battery packs, covering a wide range of applications.

## Overview

This 3S/4S 30A-60A BMS protection board is designed for 18650 lithium-ion battery packs, providing essential overcharge, over-discharge, and short circuit protection. Featuring active cell balancing and thermal stability up to 60°C, it ensures optimal battery performance and longevity for high-demand applications like drill motors and power tools.

## Description

1Pcs 3S 4S 30A 40A 60A Protection Board 18650 BMS For Drill Motor 11.1V 12.6V 14.8V 16.8V Enhance Balance

Review: Confirmed values while playing around with the BMS: Balancing current 0.1A (43 ohm over 1 cell at a max voltage of 4.3v) Balancing starts at 4,20v Cutoff voltage at 4,30v Gets to about 60°C at 20A out

## Features

- Scope of application: Suitable for ternary lithium batteries with a nominal voltage of 3.7V and a full voltage of 4.2V
- 3S 30A/40A/60A Charging voltage: 12.6V?13.6V
- 4S 40A Charging voltage: 16.8V?18.1V
- The balanced version has a balanced charging function.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B098B6GBVQ |
| Best Sellers Rank | #603,426 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,391 in Prototyping Boards & Accessories #1,873 in Computer Motherboards |
| Customer Reviews | 4.1 4.1 out of 5 stars (6) |
| Date First Available | June 30, 2021 |
| Manufacturer | Reland Sun |

## Product Details

- **Brand:** Reland Sun
- **Manufacturer:** Reland Sun
- **UPC:** 765083551763
- **Voltage:** 4.2 Volts

## Images

![1Pcs 3S 4S 30A 40A 60A Protection Board 18650 BMS For Drill Motor 11.1V 12.6V 14.8V 16.8V Enhance Balance (4S 40A?Balance) - Image 1](https://m.media-amazon.com/images/I/61Ipffef8tS.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***E on July 18, 2022*



### ⭐⭐⭐⭐ Review
*by A***N on November 28, 2025*

Confirmed values while playing around with the BMS: Balancing current 0.1A (43 ohm over 1 cell at a max voltage of 4.3v) Balancing starts at 4,20v Cutoff voltage at 4,30v Gets to about 60°C at 20A out

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**Shop now:** [https://www.desertcart.sg/products/774115782-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms](https://www.desertcart.sg/products/774115782-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-14*