---
product_id: 425775205
title: "4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board"
brand: "sunlytour"
price: "37049CFA"
currency: XOF
in_stock: true
reviews_count: 13
category: "Sunlytour"
url: https://www.desertcart.sn/products/425775205-4-slots-21750-21700-battery-charger-sunlytour-4-slots-ni
store_origin: SN
region: Senegal
---

# Smart chip auto-stops when fully charged 4 independent slots for versatile charging USB powered, compatible with multiple cables 4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board

**Brand:** sunlytour
**Price:** 37049CFA
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smarter, not harder — stay charged, stay ahead!

## Quick Answers

- **What is this?** 4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board by sunlytour
- **How much does it cost?** 37049CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/425775205-4-slots-21750-21700-battery-charger-sunlytour-4-slots-ni)

## 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

- • **Smart Safety Protection:** Built-in PCB protection and reverse polarity safeguard your batteries and charger from damage.
- • **USB-Powered Convenience:** Charge anywhere with any USB cable—no proprietary cords needed, perfect for on-the-go professionals.
- • **Universal Battery Compatibility:** Supports a wide range of rechargeable batteries including 21750, 21700, 18650, Ni-MH, Li-ion, and more.
- • **Intelligent Auto-Stop Technology:** Smart chip halts charging automatically when batteries reach full capacity, preventing overcharge and extending battery life.
- • **Charge 4 Batteries Simultaneously:** Maximize efficiency with 4 independent slots that adjust to various battery lengths up to 75mm.

## Overview

The SUNLYTOUR 4 Slots Battery Charger is a versatile, USB-powered charger designed for professionals who demand efficiency and safety. It features 4 independent slots compatible with a broad spectrum of rechargeable batteries including 21750, 21700, and 18650 types. Equipped with smart PCB protection and auto-stop technology, it ensures safe, fast, and reliable charging without the hassle of proprietary cables. Perfect for powering your essential devices with confidence and convenience.

## Description

Shop 4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board. Free delivery and returns on eligible orders.

Review: Love it - Exellent charger charges all 4 batteries in no time and great quality too.
Review: Charger - Very good 3 different charger cables can be used. So when you loose your normal cable find a i-phone cable or another make & they work bout time someone made this charging method. Recommend 100%

## 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,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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09G6KH2C1 |
| Best Sellers Rank | 41,350 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 376 in Household Battery Chargers |
| Guaranteed software updates until | unknown |
| Item model number | D4 |
| Manufacturer | SUNLYTOUR |
| Product Dimensions | 12 x 16 x 5 cm; 137 g |

## Product Details

- **Brand:** SUNLYTOUR
- **Colour:** Black
- **Item weight:** 137 Grams
- **Output voltage:** 5 Volts (DC)
- **Product dimensions:** 12D x 16W x 5H centimetres

## Images

![4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board - Image 1](https://m.media-amazon.com/images/I/61-BwQINSWL.jpg)
![4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board - Image 2](https://m.media-amazon.com/images/I/61CgvWhZcML.jpg)
![4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board - Image 3](https://m.media-amazon.com/images/I/61QpGteXw4L.jpg)
![4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board - Image 4](https://m.media-amazon.com/images/I/71EpDA1KKPL.jpg)
![4 Slots 21750 21700 Battery Charger,SUNLYTOUR 4 Slots Ni-MH AA 18650 Battery Charger 21700 Charger for 20700 22700 22650 26650 26700 16340 (RCR123) Rechargeable Battery with PCB Protection Board - Image 5](https://m.media-amazon.com/images/I/71TDlQ3VHCL.jpg)

## Questions & Answers

**Q: Can you fit 4 21700 batteries on it at the same time ?**
A: Yep, plenty of room. It will slow down the charge rate though.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love it
*by J***E on 11 January 2025*

Exellent charger charges all 4 batteries in no time and great quality too.

### ⭐⭐⭐⭐⭐ Charger
*by S***Y on 5 October 2023*

Very good 3 different charger cables can be used. So when you loose your normal cable find a i-phone cable or another make & they work bout time someone made this charging method. Recommend 100%

### ⭐⭐⭐⭐⭐ Neat unit with useful display
*by A***R on 15 November 2023*

works well charging a wide range of battery type. You can also change the charging rate so you can charge quickly or slowly if you want to preserve the life of your Rechargeable batteries.

## 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.sn/products/425775205-4-slots-21750-21700-battery-charger-sunlytour-4-slots-ni](https://www.desertcart.sn/products/425775205-4-slots-21750-21700-battery-charger-sunlytour-4-slots-ni)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-02*