---
product_id: 649706187
title: "JKBMS Smart BMS 4S-8S 200A 1A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK-B1A8S20P）"
brand: "jkbms"
price: "AR$335676"
currency: ARS
in_stock: true
category: "Jkbms"
url: https://www.desertcart.com.ar/products/649706187-jkbms-smart-bms-4s-8s-200a-1a-active-balance-build
store_origin: AR
region: Argentina
---

# Active cell balancing Bluetooth app control 200A max current JKBMS Smart BMS 4S-8S 200A 1A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK-B1A8S20P）

**Brand:** jkbms
**Price:** AR$335676
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay charged, stay ahead — the smart BMS your battery deserves!

## Quick Answers

- **What is this?** JKBMS Smart BMS 4S-8S 200A 1A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK-B1A8S20P） by jkbms
- **How much does it cost?** AR$335676 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/649706187-jkbms-smart-bms-4s-8s-200a-1a-active-balance-build)

## Best For

- jkbms enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Ready:** Slim design with included wiring and temperature probes makes installation effortless—get your battery system up and running fast.
- • **Smart Connectivity:** Seamlessly monitor and control your battery via Bluetooth with the JK BMS app on Android and iOS—battery management at your fingertips.
- • **Powerhouse Protection:** Safeguards your battery from overcharge, overdischarge, overcurrent, shorts, and temperature extremes for ultimate peace of mind.
- • **Active Balancing Boost:** Extends battery life and recovers up to 20% more capacity by intelligently equalizing cells during use.
- • **Universal Compatibility:** Supports Li-ion, LiFePO4, and LTO batteries, perfect for RVs, solar setups, UPS systems, and more—versatility that fits your lifestyle.

## Overview

The JKBMS Smart BMS 4S-8S 200A is a compact, high-performance battery management system designed for Li-ion, LiFePO4, and LTO battery packs. Featuring active cell balancing, comprehensive safety protections, and Bluetooth connectivity with a dedicated app, it empowers users to monitor and optimize battery health remotely. Ideal for RVs, solar power, and UPS applications, it supports up to 8 series cells and delivers up to 200A continuous current, ensuring reliable, long-lasting battery performance with easy installation and 1-year support.

## Description

desertcart.com: JKBMS Smart BMS 4S-8S 200A 1A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK-B1A8S20P） : Electronics

## Features

- Enhanced Safety: Safeguard your battery with protection against overcharging, overdischarging, overcurrent, short circuits, and temperature extremes. JKBMS Active Equalization extends battery life and enhances performance
- Easy Connection: Effortlessly manage your battery with JK BMS mobile app for Android and iOS. Bluetooth connectivity allows you to monitor status, adjust settings, and control charging/discharging from your device
- Wide Application: This versatile BMS works with Li-ion, LiFePO4, and LTO batteries. Ideal for RV, Solar Panel, and UPS Power Supply and so on, it offers seamless integration and top performance
- After-Sales Support: If you have any questions or concerns, please contact us through your order page. We are committed to providing assistance and ensuring your satisfaction with our 1-year support
- Packing List: Includes Smart BMS (JK-B1A8S20P) * 1,Wires (70cm) * 1,Switch (50cm) * 1,NTC (40cm) * 1,Screws * 4,Operate manual * 1,(RS485 converter not included).Everything you need for setup and operation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D14FT2M5 |
| Best Sellers Rank | #47,158 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #172 in Power Converters |
| Customer Reviews | 4.3 4.3 out of 5 stars (161) |
| Date First Available | April 8, 2024 |
| Item Weight | 12.3 ounces |
| Item model number | JK-B1A8S20P |
| Manufacturer | JKBMS |
| Product Dimensions | 6.02 x 4.96 x 0.69 inches |

## Product Details

- **Brand:** JKBMS
- **Color:** JK BMS
- **Input Voltage:** 24 Volts
- **Item Weight:** 0.77 Pounds
- **Item dimensions L x W x H:** 6.02 x 4.96 x 0.69 inches

## Images

![JKBMS Smart BMS 4S-8S 200A 1A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board for LiFePO4 Li-ion LTO Battery Pack（JK-B1A8S20P） - Image 1](https://m.media-amazon.com/images/I/71svzmTI2nL.jpg)

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**Shop now:** [https://www.desertcart.com.ar/products/649706187-jkbms-smart-bms-4s-8s-200a-1a-active-balance-build](https://www.desertcart.com.ar/products/649706187-jkbms-smart-bms-4s-8s-200a-1a-active-balance-build)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-01-23*