---
product_id: 745061450
title: "4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet"
brand: "sunlytour"
price: "€ 55.37"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.es/products/745061450-4-socket-21750-21700-battery-charger-4-socket-nimh-aa
store_origin: ES
region: Spain
---

# Smart USB 5V 2A input/output 4 independent charging slots Intelligent reverse polarity & overcharge protection 4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet

**Brand:** sunlytour
**Price:** € 55.37
**Availability:** ✅ In Stock

## Summary

> 🔌 Power your gear smarter, faster, safer — never miss a charge!

## Quick Answers

- **What is this?** 4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet by sunlytour
- **How much does it cost?** € 55.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/745061450-4-socket-21750-21700-battery-charger-4-socket-nimh-aa)

## 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

- • **Dual USB Convenience:** Includes both Micro USB and Type-C cables for versatile, on-the-go charging setups.
- • **Compact & Lightweight:** Sleek design at just 137g and 12x16x5 cm fits perfectly on any desk or travel kit.
- • **Smart & Safe Charging:** Built-in intelligent chip stops charging automatically when full and protects against reverse polarity.
- • **Broad Battery Compatibility:** Supports NiMH, NiCd, and a wide range of Li-ion batteries including 21700, 18650, 20700, and more.
- • **Universal 4-Slot Powerhouse:** Charge up to 4 batteries simultaneously with adjustable slots for sizes up to 75mm.

## Overview

The SUNLYTOUR 4 Socket Battery Charger is a compact, lightweight device designed for professionals who demand versatility and safety. It features 4 independent slots adjustable for batteries up to 75mm, supports a broad range of NiMH, NiCd, and Li-ion batteries including popular 21700 and 18650 types, and incorporates intelligent protection technology to prevent overcharging and reverse polarity damage. Equipped with both Micro USB and Type-C cables, it ensures seamless charging compatibility for your essential power needs.

## Description

Note: Before charging, make sure the battery is normal. Please do not charge it if the appearance or electrode board is damaged. Note: For NiMH batteries, we recommend that you turn off the power immediately if the battery is fully charged. This charger can not charge CR 123, CR-123A batteries. It can not charge 1.5V lithium-ion batteries. Do not attempt to charge. This charger has a 75mm slot which can support batteries less than 75mm. 21750 21700 20700 26700 26650 18650 Battery with PCB Protection Board SUNLYTOUR Universal 4 Cell 21700 Battery Charger Compatibility: <1> 1.2V MH/Ni CD:AA/AAA/AAA/C/SC/F6 <2>3.6V/3.7V Li-ion/IMR/INR/ICR(≦75 mm): <3> 3.6 V/3.7 V 10440/1450/14650/RCR 16340/1650/17500/17650/17670/18350/18490/18500/186502070217021700002 27002 670021750(≦75mm) Parameter: Input Power: DC 5 V 2 A Output: Li-ion: DC 5V 2A NiMH battery: 0.5 A. Size:123mm*96mm*32mm Weight: 4.7 oz (137 g). Set includes 1 x SUNLYTOUR Universal 4 Slot 21700 Battery Charger 1 x Micro USB cable. 1 x Type-C cable 1 x User Manual

## Features

- 1. Note: Before charging, please make sure the battery is normal. Please do not charge it if the appearance or electrode board is damaged. This charger cannot charge CR 123, CR-123A batteries. It can not charge 1.5V lithium-ion batteries. Do not attempt to charge
- 2. [Convenient] This charger has a 3.0 inch (75 mm) slot and can be used with batteries under 3.0 inches (75 mm). For example, the 21750 21700 20700 26700 26650 18650 battery comes with a PCB protective board. So you can charge your LED flashlight batteries and other appliances
- ※ 3. [Compatibility] This smart USB battery charger is 1.2V NiMH NiCd AAAAAAC SC F 6 Li-ion IMR INR ICR 21750 18650 20700 21700 22700 26700 26700 10440 145000 14650 1634 Compatible with 0 (RCR 123) 16650 17500 17650 17670 18350 18490 18500 rechargeable batteries
- 4. Unique design: This battery charger has a high standard design, 4 independent slots, freely adjustable, and can be charged with different lengths, very convenient and effective
- 5. Intelligent Protection: It has a unique reverse connection protection effect, and the intelligent chip will protect your equipment. When charging is full, it will stop charging based on smart technology

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color Name | black |
| Batteries Included | No |
| Batteries Required | No |
| Brand | SUNLYTOUR |
| Manufacturer | JUNENGJIA |
| Item Model Number | D4 |
| Product Dimensions | 12 x 16 x 5 cm; 137 g |
| Item Weight | 137 Grams |

## Product Details

- **Brand:** SUNLYTOUR
- **Color:** black
- **Product Dimensions:** 12D x 9W x 3H cm
- **Item Weight:** 137 Grams
- **Output Voltage:** 5 Volts (DC)

## Images

![4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet - Image 1](https://m.media-amazon.com/images/I/61CgvWhZcML.jpg)
![4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet - Image 2](https://m.media-amazon.com/images/I/61-BwQINSWL.jpg)
![4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet - Image 3](https://m.media-amazon.com/images/I/71u+SWpE-zL.jpg)
![4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet - Image 4](https://m.media-amazon.com/images/I/71g5NLR0JIL.jpg)
![4 Socket 21750 21700 Battery Charger, 4 Socket NiMH AA 18650 Charger 21700 20700 22700 22650 2650 26700 16340 (RCR 123) 17670 Battery with PCB Protective Sheet - Image 5](https://m.media-amazon.com/images/I/61QpGteXw4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ 充電が99%まではしか到達せず100%になりません
*by A***I on June 8, 2025*

充電が99%まではしか到達せず100%になりません。電池に問題があるとは思えないですがわかりません。

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.es/products/745061450-4-socket-21750-21700-battery-charger-4-socket-nimh-aa](https://www.desertcart.es/products/745061450-4-socket-21750-21700-battery-charger-4-socket-nimh-aa)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-22*