---
product_id: 551974214
title: "KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black"
brand: "katgrochir"
price: "¥229"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/551974214-katgrochir-universal-dual-battery-charger-3-7v-li-ion-rechargeable
store_origin: JP
region: Japan
---

# 5V/2A USB input for fast, versatile power Charges 2 batteries simultaneously Multi-layer safety protection system KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black

**Brand:** katgrochir
**Price:** ¥229
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Power up anywhere, safely and smartly.

## Quick Answers

- **What is this?** KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black by katgrochir
- **How much does it cost?** ¥229 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/551974214-katgrochir-universal-dual-battery-charger-3-7v-li-ion-rechargeable)

## Best For

- katgrochir enthusiasts

## Why This Product

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

## Key Features

- • **Smart Safety Tech:** Automatic trickle charging and safeguards against reverse polarity, short circuits, and overcharging keep your batteries safe and healthy.
- • **Dual-Slot Powerhouse:** Charge two 3.7V Li-ion batteries at once, maximizing your uptime.
- • **USB-Powered Convenience:** Plug into any 5V/2A USB source—power banks, car chargers, or wall adapters—for ultimate charging flexibility.
- • **Travel-Ready Compact Design:** Slim 10x5x3 cm form factor fits effortlessly in your bag for on-the-go power management.
- • **Universal Battery Compatibility:** Supports a wide range of popular Li-ion sizes from 18650 to 10440—one charger to rule them all.

## Overview

The KATGROCHIR Universal Dual Battery Charger is a compact, portable device designed to simultaneously charge two 3.7V Li-ion rechargeable batteries of various sizes (18650, 18490, 18350, and more). Featuring a 5V/2A USB input, it offers versatile charging options compatible with power banks, car chargers, and wall adapters. Advanced safety protections prevent overcharge, short circuit, and reverse polarity, ensuring reliable and secure battery maintenance for professionals on the move.

## Description

Product Description Packaging includes: 1x 2 Slots Charger + Manual(Batteries are not included) Product dimensions: 10D x 5W x 3H centimeters Output voltage：5 Volts Specification met：UL Input voltage：5 Volts Current rating：2 Amps

## Features

- 【Portable and Efficient】 Easy to carry when traveling. Capable of charging 2 batteries simultaneously and controlling each slot independently
- 【Wide Compatible】 Li-ion / IMR: 18650, 18490, 18350, 17670, 17500, 16340(RCR123), 14500, 10440
- 【Safer with Multiple Protection】 The charger turns to trickle charging automatically to prevent the battery from reverse, short circuit, overcharge, over discharge, and over-current damage
- 【Convenient USB】 This battery charger comes with USB input, applicable for 5V/2A power bank, car charger, USB wall charger, etc
- 【You will Get】 1x 2 Slots Charger +Manual(Batteries are not included)

## Product Details

- **Brand:** KATGROCHIR
- **Product dimensions:** 10D x 5W x 3H centimeters
- **Item weight:** 0.1 Kilograms
- **Output voltage:** 5 Volts
- **Specification met:** UL

## Images

![KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black - Image 1](https://m.media-amazon.com/images/I/61TWTNzI1eL.jpg)
![KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black - Image 2](https://m.media-amazon.com/images/I/41zMZvEWbUL.jpg)
![KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black - Image 3](https://m.media-amazon.com/images/I/310dkqnMp5L.jpg)
![KATGROCHIR Universal Dual Battery Charger, 3.7V Li-ion Rechargeable Battery 18650 18490 18350 17670 17500 16340(RCR123) 14500 10400 Lithium Batteries Dimensions Centimeters Black - Image 4](https://m.media-amazon.com/images/I/71g0ZbEGQ-L.jpg)

---

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**Shop now:** [https://www.desertcart.jp/products/551974214-katgrochir-universal-dual-battery-charger-3-7v-li-ion-rechargeable](https://www.desertcart.jp/products/551974214-katgrochir-universal-dual-battery-charger-3-7v-li-ion-rechargeable)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-23*