---
product_id: 656008047
title: "daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model"
brand: "daier"
price: "AR$72986"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/656008047-daier2s-7-4v-8-4v-8a-lithium-battery-protector-3
store_origin: AR
region: Argentina
---

# 8A max continuous current Supports 3.7V lithium batteries 4-layer multi-protection system daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model

**Brand:** daier
**Price:** AR$72986
**Availability:** ✅ In Stock

## Summary

> 🛡️ Power up safely, perform endlessly.

## Quick Answers

- **What is this?** daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model by daier
- **How much does it cost?** AR$72986 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/656008047-daier2s-7-4v-8-4v-8a-lithium-battery-protector-3)

## Best For

- daier enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack Advantage:** 10 protection boards included—perfect for scaling your projects or backups.
- • **Plug & Play Precision:** Clear wiring diagram ensures hassle-free installation—no guesswork, no damage.
- • **Quadruple Safety Shield:** Overcharge, over-discharge, overcurrent, and short circuit protections keep your gear safe.
- • **Universal Compatibility:** Designed for various 3.7V lithium battery shapes and capacities—flexibility meets performance.
- • **Power Through with Confidence:** Handles up to 8A continuous and 16A peak current for demanding devices.

## Overview

The daier 2S Lithium Battery Protector (E1269 Model) is engineered to safeguard 3.7V lithium batteries with a robust 8A continuous current capacity and peak 16A tolerance. Featuring four critical protections—overcharge, over-discharge, overcurrent, and short circuit—it ensures maximum device longevity and safety. Ideal for diverse applications like massager packs, LED backups, and solar street lights, this 10-piece set offers reliable, scalable battery management for professional-grade projects.

## Description

daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model

## Features

- Overcharging Range: 4.25 ± 0.05V to 4.35V; Over Voltage Range: 2.3 ± 0.05V to 3.0V; Maximum working current: 8A; Maximum instantaneous current: 16A.
- Useful: Use for variety of capacities and various shapes 3.7V lithium batteries,Massager battery pack, LED light backup power supply, solar street light battery pack, monitor standby power supply, etc.
- MULTIPLE PROTECTION: Over-discharge protection, overcurrent protection, overcharge protection, short circuit protection; A combination of 4 safety features that work together to provide ultimate protection for your devices.
- ATTENTION: Strictly according to the diagram wiring: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-, MB: The connection point between the batteries.Otherwise it will cause damage to the chip. Do not mix the good battery and poor battery to use. The internal resistance of 3 battery capacity are closer will be better.
- Package Includes:10PCS 2S 7.4V 8.4V 8A Lithium Battery Protection Board.

## Product Details

- **Brand:** daier
- **Item weight:** 0.01 Kilograms
- **Input voltage:** 8.4 Volts
- **Output voltage:** 8.4 Volts (DC)
- **Plug type:** Micro USB

## Images

![daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model - Image 1](https://m.media-amazon.com/images/I/81a063MN4BL.jpg)
![daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model - Image 2](https://m.media-amazon.com/images/I/511KI5tlEFL.jpg)
![daier2S 7.4V/8.4V 8A Lithium Battery Protector for 3.7V Batteries, E1269 Model - Image 3](https://m.media-amazon.com/images/I/71Jo1Hwce5L.jpg)

## Frequently Bought Together

- daier 6PCS 2S 7.4V 8.4V 8A 18650 Battery Protection Board PCB BMS Protection Module for Li-ion Lithium Battery Cell
- Comidox 3S 12V 10A 18650 Lithium Battery Protection Board BMS Li-ion Charger Protection Module Anti-Overcharge/Over-Discharge/Over-Current/Short Circuit 3Pcs
- Dorhea MT3608 DC-DC Step Up Boost Power Converter 2A Module Adjustable Step Up Voltage Regulator Board Voltage 2-24V to 5V-28V Output Voltage Mico USB Compatible with Ardu ino (Pack of 10)

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**Shop now:** [https://www.desertcart.com.ar/products/656008047-daier2s-7-4v-8-4v-8a-lithium-battery-protector-3](https://www.desertcart.com.ar/products/656008047-daier2s-7-4v-8-4v-8a-lithium-battery-protector-3)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-20*