---
product_id: 420093275
title: "VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate"
brand: "vnsznr"
price: "R4738"
currency: ZAR
in_stock: false
reviews_count: 8
category: "Vnsznr"
url: https://www.desertcart.co.za/products/420093275-vnsznr-bms-board-lifepo4-4s-12v-250a-smart-pcb-battery
store_origin: ZA
region: South Africa
---

# 250A max current Waterproof & dustproof PCB Real-time app monitoring VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate

**Brand:** vnsznr
**Price:** R4738
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Stay balanced, stay ahead — the smart BMS your LiFePO4 battery deserves!

## Quick Answers

- **What is this?** VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate by vnsznr
- **How much does it cost?** R4738 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/420093275-vnsznr-bms-board-lifepo4-4s-12v-250a-smart-pcb-battery)

## Best For

- vnsznr enthusiasts

## Why This Product

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

## Key Features

- • **Complete Kit:** Includes balance cables, temperature sensor, wireless module & 36-month warranty.
- • **Smartphone Sync:** Monitor and customize battery status anytime via Android & iOS app.
- • **Rugged Reliability:** Waterproof, dustproof, and shockproof with high-grade anti-corrosion coating.
- • **Ultra-Low Power Draw:** Consumes less than 50µA, maximizing battery longevity.
- • **Powerhouse Protection:** Handles up to 250A peak current for robust battery safety.

## Overview

The VNSZNR BMS Board is a smart, high-performance 12V 250A Battery Management System designed for LiFePO4 batteries. Featuring wireless app connectivity for real-time monitoring and customizable settings, it ensures precise cell balancing within 0.1V. Built with rugged, waterproof, and dustproof materials, it offers ultra-low power consumption (<50µA) and comes complete with balance leads, temperature sensor, and a 36-month warranty, making it a reliable upgrade for professional-grade battery management.

## Description

desertcart.com: VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate : Electronics

Review: works! - Old BMS board stopped working, easy to replace with this one. Works perfect
Review: Keeps cells balanced. - Does very well balancing cells. Not sure about charge limiting or discharge limiting, but I purchased this to balance my Li-Fe P04 cells and it keeps them within 0.1 volts. Built very rugged and seems of good quality.

## Features

- ★【Smart LiFePO4 BMS 12V 250A】For our smart bms,when first use,need to activate first,then B- P- can be conductive,voltage from P- can be same from B-, then BMS can work well.
- ★【Module】Available connect with Android and IOS App and can review the battery status in real time by mobile phone. Through module can set the battery capacity, protection temperature, protection voltage and etc.
- ★【BMS Activation Method】Method ①: Press the button on the module to activate the bms directly.Method ②: Charge activation, B-line must be connected to the total negative pole of the battery pack when charging. If Method ① fails to activate the BMS, try Method ② to activate the BMS.
- ★【VNSZNR BMS】The BMS was be manufactured by high quality Mos and IC. Keep your battery long cycle service life time. Extreme low power consumption. The consumption of the whole device is less than 50uA.PCB use high anti-corrosion, high water resistance, high impedance ESD conformal Coating.It is waterproof, dustproof and shockproof.
- ★【VNSZNR BMS】What You Get: 1pcs*VNSZNR BMS Lifepo4 4S 12V 250A, 1pcs*module, 1pcs*balance cable and 1pcs*English manual,Package also come with B-P- cable,NTC cable(temperature sensor). 36-months warranty and friendly customer service. Quality Guarantee--- ISO/ FCC/ ROHS/ PSE/ CE APPROVED.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 250 Amps |
| ASIN | B09H49575H |
| Best Sellers Rank | #641,060 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,882 in Power Converters |
| Brand | VNSZNR |
| Brand Name | VNSZNR |
| Customer Reviews | 4.0 out of 5 stars 223 Reviews |
| Item Height | 5.1 inches |
| Manufacturer | VNSZNR |
| Material | Plastic, Polycarbonate (PC) |
| Material Type | Plastic, Polycarbonate (PC) |
| Maximum Current | 250 Amps |
| Number Of Circuits | 7 |
| Phase Type | Single Phase |
| Warranty Description | Warranty for 36 months from date of purchase（The warranty service is only valid under normal use.） |

## Product Details

- **AC Adapter Current:** 250 Amps
- **Brand:** VNSZNR
- **Material:** Plastic, Polycarbonate (PC)
- **Number Of Circuits:** 7
- **Phase Type:** Single Phase

## Images

![VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate - Image 1](https://m.media-amazon.com/images/I/714+n0ZKGLL.jpg)
![VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate - Image 2](https://m.media-amazon.com/images/I/71PVl1UgnyL.jpg)
![VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate - Image 3](https://m.media-amazon.com/images/I/71eZUZfYhTL.jpg)
![VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate - Image 4](https://m.media-amazon.com/images/I/71sLoU0d4GL.jpg)
![VNSZNR BMS Board LiFePO4 4S 12V 250A Smart PCB Battery Management System with Balance Leads Wires and Wireless Module for Lithium Iron Phosphate - Image 5](https://m.media-amazon.com/images/I/71zp-xG4IKL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ works!
*by K***T on July 31, 2022*

Old BMS board stopped working, easy to replace with this one. Works perfect

### ⭐⭐⭐⭐⭐ Keeps cells balanced.
*by T***D on April 28, 2025*

Does very well balancing cells. Not sure about charge limiting or discharge limiting, but I purchased this to balance my Li-Fe P04 cells and it keeps them within 0.1 volts. Built very rugged and seems of good quality.

### ⭐⭐⭐⭐ Works,
*by R***N on October 13, 2022*

Like the fact it worked,wiring instructions and app could be better!will update review in a few months seeing that it's only been operating for 6-8 hrs.

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