---
product_id: 528395974
title: "4 Slots 21750 21700 Battery Charger,4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) 17670 Battery with PCB Protection Board"
brand: "sunlytour"
price: "€ 34.63"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.fr/products/528395974-4-slots-21750-21700-battery-charger-4-slots-ni-mh
store_origin: FR
region: France
---

# Smart protection 4 slots USB compatible 4 Slots 21750 21700 Battery Charger,4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) 17670 Battery with PCB Protection Board

**Brand:** sunlytour
**Price:** € 34.63
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Life with Smart Charging!

## Quick Answers

- **What is this?** 4 Slots 21750 21700 Battery Charger,4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) 17670 Battery with PCB Protection Board by sunlytour
- **How much does it cost?** € 34.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/528395974-4-slots-21750-21700-battery-charger-4-slots-ni-mh)

## Best For

- sunlytour enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Built-in PCB protection board ensures safe charging, giving you peace of mind with every use.
- • **Smart Technology:** Equipped with a smart chip for reverse connection protection and automatic shut-off when fully charged.
- • **User-Friendly Design:** Features adjustable slots for batteries up to 75mm, providing convenience and flexibility.
- • **Versatile Compatibility:** Supports a wide range of battery types, from 18650 to 26700, making it your all-in-one charging solution.
- • **Charge Multiple Batteries:** Effortlessly power up to 4 batteries simultaneously, ensuring you're always ready to go.

## Overview

The 4 Slots 21750 21700 Battery Charger is a versatile and efficient charging solution designed for a wide range of rechargeable batteries. With its independent slots, smart protection features, and compatibility with various battery types, this charger ensures safe and convenient charging for all your devices.

## Description

Full description not available

## Features

- ※ 1.[Warm Tips] Before Charge,please make sure your battery is OK.If appearance or electrode plate broken,please don’t charge it.This charger can not charge CR123,CR123A battery,also can not charge 1.5V Li-ion battery,please don’t try to charge it.
- ※ 2. [Convenience] This charger has 75 mm slot,it can support Battery less than 75 mm,such as 21750 21700 20700 26700 26650 18650 battery with PCB Protection Board.So you can charge your led torch battery and other home appliance.
- ※ 3. [Compatibility] This smart USB battery charger Compatible With 1.2V Ni-MH Ni-CD AA AAA AAAA C SC F6 Li-ion IMR INR ICR 21750 18650 20700 21700 22700 26650 26700 10440 14500 14650 16340 (RCR123) 16650 17500 17650 17670 18350 18490 18500 Rechargeable Batteries.
- ※ 4.[Independent design] This battery charger adopts a high-standard design and has 4 independent slots, which can be adjusted at will to charge batteries of different lengths, which is very convenient and effective.
- ※ 5.[Smart Protection] It has a unique reverse connection protection effect, and there is a smart chip to escort your equipment.If charge full,it will stop charge based on the smart technology.

## Product Details

- **Brand:** SUNLYTOUR
- **Color:** Black
- **Product Dimensions:** 1.8"D x 4"W x 5.5"H
- **Item Weight:** 137 Grams
- **Output Voltage:** 5 Volts (DC)

## Images

![4 Slots 21750 21700 Battery Charger,4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) 17670 Battery with PCB Protection Board - Image 1](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)

## Customer Reviews

### ⭐⭐⭐⭐⭐ works well.
*by Z***Y on April 28, 2025*

very nice , slim and charges slow and steady for a good charge. great charger for the price.

### ⭐⭐⭐⭐⭐ Love it
*by R***S on July 24, 2025*

Easy to use charging my 21700 batteries without issue has setting for 3 charging amp rates Good deal

### ⭐⭐⭐⭐ Better than I expected
*by J***N on July 18, 2025*

Inaccurate charge readings but it works fine and it eventually gets to 100%

## Frequently Bought Together

- 4 Slots 21750 21700 Battery Charger,4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) 17670 Battery with PCB Protection Board
- DQGG 3.7 Volt 16340 Rechargeable Battery 2800mAh Battery 4 Pack Large Capacity Batteries for LED Flashlight, Headlamps, etc
- BFHB 21700 Battery Case Set 5000 mAh for Flashlight - 2 Pack

---

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**Shop now:** [https://www.desertcart.fr/products/528395974-4-slots-21750-21700-battery-charger-4-slots-ni-mh](https://www.desertcart.fr/products/528395974-4-slots-21750-21700-battery-charger-4-slots-ni-mh)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-27*