---
product_id: 774116611
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?Enhance)"
brand: "reland sun"
price: "R314"
currency: ZAR
in_stock: true
reviews_count: 2
category: "Reland Sun"
url: https://www.desertcart.co.za/products/774116611-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms
store_origin: ZA
region: South Africa
---

# Up to 60A high current protection 3S/4S support for versatile battery packs Enhanced cell balancing for longevity 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?Enhance)

**Brand:** reland sun
**Price:** R314
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up smartly — protect, balance, and perform like a pro!

## 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?Enhance) by reland sun
- **How much does it cost?** R314 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/774116611-1pcs-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

- • **Robust Current Handling:** Handles continuous currents up to 60A, ensuring reliable protection for high-demand drill motors.
- • **Precision Cell Balancing:** Integrated balanced charging function maintains battery health and maximizes lifespan.
- • **Thermal Safety Assurance:** Operates safely up to 60°C at 20A load, preventing overheating during intense use.
- • **Plug & Play Battery Management:** Easy integration with 18650 ternary lithium batteries for seamless power control.
- • **Versatile Voltage Compatibility:** Supports 11.1V to 16.8V nominal voltages, perfect for 3S and 4S lithium battery packs.

## Overview

This 3S/4S 30A-60A BMS protection board is engineered for 18650 ternary lithium batteries, delivering precise voltage cutoffs (up to 16.8V) and advanced cell balancing to extend battery life. Ideal for drill motors, it supports high current loads safely with thermal protection, making it a must-have for professionals demanding reliable and efficient battery management.

## 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 | B098B5LD2M |
| Best Sellers Rank | #2,801 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:** 765083551756
- **Voltage:** 16.8 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?Enhance) - Image 1](https://m.media-amazon.com/images/I/41W0VrBc-AS.jpg)

## 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.co.za/products/774116611-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms](https://www.desertcart.co.za/products/774116611-1pcs-3s-4s-30a-40a-60a-protection-board-18650-bms)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-09*