---
product_id: 1821539
title: "KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue)"
brand: "kmashi"
price: "₩373982"
currency: KRW
in_stock: true
category: "Wireless Phone Accessory"
url: https://www.desertcart.kr/products/1821539-kmax-810-20000mah-dual-usb-extended-external-travel-battery-pack
store_origin: KR
region: South Korea
---

# KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue)

**Brand:** kmashi
**Price:** ₩373982
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue) by kmashi
- **How much does it cost?** ₩373982 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/1821539-kmax-810-20000mah-dual-usb-extended-external-travel-battery-pack)

## Best For

- kmashi enthusiasts

## Why This Product

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

## Description

Description:This 20000mAh external battery comes with dual USB ports (5V/1.2A, 2.5V/2A) which can be used to charge your iPad, iPhone, MP3, MP4, PSP, or any other mobile digital products.Easily recharge by the Micro USB cable.It supports pass-through charging so that you can charge your digital products simultaneously.It is made of excellent quality grade A Lion battery that can make the use life longer, and the charge and discharge cycles reach at least 1000 times.Product feature:20000mAh power bank phone charger.
Huge capacity external extended battery.4 LED lights indicate the battery capacity.Long lifetime: adopt 18650 lithium battery core.Dual USB port design, you can charge two of your phones at the same time.Safety: smart IC controller inside,short circuit,over charge and discharge protection.Widely application: iPad, iPhone, MP3, MP4, PSP, or any other mobile digital productsBattery capacity: 1 light:0%-25%,two lights:25%-50%,three lights:50%-75%,four lights:75%-100%.Intelligent management: intelligent output,more than 30 seconds with no load can be automatically shut down.

Specifications:Capacity:20000mah
Weight: 450g
Output 1: 5V/1A
Output 2: 2.5V/2A
Input: DC:5V/800mA
Size: 81x156x21 mm
Storge Temp:-10-40℃
Package Includes:
20000mah External Battery for iPad/iPhone/iPod/Other smart phone

## Features

- Huge capacity: 20000mAh
- Widely application: iPad, iPhone, MP3, MP4, PSP, or any other mobile digital products
- Safety: Smart IC controller inside. Short circuit, over charge and discharge protection.
- 4 LED lights indicate the battery capacity.
- Dual USB design that you can charge two devices at the same time.

## Images

![KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue) - Image 1](http://ecx.images-amazon.com/images/I/31PRbGIeipL.jpg)
![KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue) - Image 2](http://ecx.images-amazon.com/images/I/41g58%2BbObdL.jpg)
![KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue) - Image 3](http://ecx.images-amazon.com/images/I/41-JjWULQKL.jpg)
![KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue) - Image 4](http://ecx.images-amazon.com/images/I/41IL%2BOEG%2BGL.jpg)
![KMAX-810 20000mah Dual USB Extended External Travel Battery Pack Mobile Power Charger Iphone 5 5S 5C, 4S, 4, iPad Mini, iPod Touch, Samsung Galaxy S4, S3, S2, Note 2, HTC One, Evo, Thunderbolt, Incredible, Droid DNA, Motorola Atrix, Droid, Google Glass, Nexus 4, LG Optimus and More (Blue) - Image 5](http://ecx.images-amazon.com/images/I/41dQxGmQj1L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/1821539-kmax-810-20000mah-dual-usb-extended-external-travel-battery-pack](https://www.desertcart.kr/products/1821539-kmax-810-20000mah-dual-usb-extended-external-travel-battery-pack)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-03*