---
product_id: 735070135
title: "DALY BMS 40A Active Balance 1A 4S-8S Build in Bluetooth Cell Balancing Smart PCB Battery Protection Board for Li-ion/LiFePO4/LTO Lithium Battery Pack"
brand: "balancer2"
price: "HK$684"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/735070135-daly-bms-40a-active-balance-1a-4s-8s-build-in
store_origin: HK
region: Hong Kong
---

# 40A high current capacity Bluetooth smart monitoring 1A active cell balancing DALY BMS 40A Active Balance 1A 4S-8S Build in Bluetooth Cell Balancing Smart PCB Battery Protection Board for Li-ion/LiFePO4/LTO Lithium Battery Pack

**Brand:** balancer2
**Price:** HK$684
**Availability:** ✅ In Stock

## Summary

> 🔋 Stay charged, stay connected — the smart BMS your battery deserves!

## Quick Answers

- **What is this?** DALY BMS 40A Active Balance 1A 4S-8S Build in Bluetooth Cell Balancing Smart PCB Battery Protection Board for Li-ion/LiFePO4/LTO Lithium Battery Pack by balancer2
- **How much does it cost?** HK$684 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/735070135-daly-bms-40a-active-balance-1a-4s-8s-build-in)

## Best For

- balancer2 enthusiasts

## Why This Product

- Trusted balancer2 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Setup:** Complete kit with cables and screws for quick, hassle-free installation.
- • **Powerhouse Protection:** 40A continuous current safeguards your battery from overcharge, discharge, and shorts.
- • **Smart Balance Control:** 1A active balancing extends battery life by keeping cells perfectly synced.
- • **Seamless Bluetooth Integration:** Monitor and manage your battery pack effortlessly via Android/iOS app.
- • **Universal Voltage Compatibility:** Supports 4S to 8S Li-ion/LiFePO4/LTO packs for versatile applications.

## Overview

The DALY BMS 40A Active Balance is a robust battery management system designed for 4S to 8S lithium battery packs. Featuring 40A current protection, 1A active cell balancing, and Bluetooth connectivity, it ensures optimal battery safety, longevity, and real-time monitoring via mobile app. Ideal for electric vehicles, energy storage, and backup power, it comes with a full installation kit and a 3-year warranty.

## Description

Introducing the Smart BMS 12V 24V, 4S 6S 7S 8S, 40A Active Balance 1A 4 lifepo cells battery bank with built-in Bluetooth and RS485 PCB. This cutting-edge Battery Protection Board is designed to safeguard your LiFePO4, Li-ion, or LTO battery packs. With a wide voltage range of 12V-24V and a robust 40A current capability, it offers unparalleled protection and performance. The Active Balance feature ensures optimal cell balancing, prolonging your battery's lifespan. Seamless Bluetooth and RS485 connectivity enable effortless monitoring and control. Compact and lightweight, this PCB is a must-have for any high-performance battery system. Upgrade your power management today with this advanced BMS solution.

## Features

- Enhanced Battery Safety: 40 AMP BMS With 1A active balance offers protection against overcharging, overdischarging, overcurrent,short circuits and extreme temperature,ensuring the safety and longevity of the battery pack.
- Extra protection features: Pre-charge protection,Wrong connection or missing connection of wires,Parallel connection current limiting,cell Balancing.
- Battery Management System: Manage your battery easily with Android or iOS mobile app. Bluetooth connectivity allows you to monitor status, adjust settings and control charge/discharge from your device.
- Voltage Compatibility: Can work for 12V 24V, 4S 6S 7S 8S battery packs. Which are commonly used in electric vehicles, energy storage systems, backup power supplies and other applications.
- 3 year Warranty.Packing List: Smart BMS * 1,Sampling Cable * 1,P-&B- Cable*1,B+ cable*1,NTC * 1,Screw*2,Operate manual * 1.Easy to install,everything you need for setup and operation

## Product Details

- **Number of Batteries:** Nonstandard Battery batteries required.
- **Brand:** BALANCER2
- **Battery Cell Composition:** Lithium Metal
- **Recommended Uses For Product:** 电动滑板车
- **Voltage:** 12 Volts

## Images

![DALY BMS 40A Active Balance 1A 4S-8S Build in Bluetooth Cell Balancing Smart PCB Battery Protection Board for Li-ion/LiFePO4/LTO Lithium Battery Pack - Image 1](https://m.media-amazon.com/images/I/51uY6b-ibQL.jpg)

## Frequently Bought Together

- BALANCER2 DALY BMS 40A Active Balance 1A 4S-8S Build in Bluetooth Cell Balancing Smart PCB Battery Protection Board for Li-ion/LiFePO4/LTO Lithium Battery Pack
- Sanuke 10pcs 1/0 AWG-3/8 Battery Lugs, UL Listed Heavy Duty Wire Lugs Ring Terminal 0 Guage terminals Battery Cable Ends/Terminal Connectors with 3:1 Heat Shrink Tubing
- 3S 4S 12V 5A Battery Active Equalizer BMS Balancer Lipo Li-ion LFP LiFePO4 Lithium Battery Balance Active Energy Transfer Equalization Module Faster Whole Group Capacitor Balancer PCB

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/735070135-daly-bms-40a-active-balance-1a-4s-8s-build-in](https://www.desertcart.hk/products/735070135-daly-bms-40a-active-balance-1a-4s-8s-build-in)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-16*