---
product_id: 31859841
title: "Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver)"
brand: "knk"
price: "¥11566"
currency: JPY
in_stock: false
category: "Wireless Phone Accessory"
url: https://www.desertcart.jp/products/31859841-portable-20000mah-dual-usb-solar-battery-charger-power-bank-ultra
store_origin: JP
region: Japan
---

# Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver)

**Brand:** knk
**Price:** ¥11566
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver) by knk
- **How much does it cost?** ¥11566 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/31859841-portable-20000mah-dual-usb-solar-battery-charger-power-bank-ultra)

## Best For

- knk enthusiasts

## Why This Product

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

## Description

Capacity：3700V/20000mAhCompatibility:3700V/20000mAhLifetime:>800Conversion rate:75% Input:DC5V/2.1 MAXOutput 1:DC5V/1.0A Output 2:DC5V/2.1ASize:153*76*9mm Weight:280gShell material:aluminium alloy Battery Type:polymer lithium ion batteries

## Features

- Ultrasonic seamless combination design, the surface of UV treatment process.
- The fuselage with high-efficiency monocrystalline silicon solar panels and is the best material.Before it has been used in the military, efficient and environmental protection.
- It can be widely compatible with 99% of mobile digital devices on the market.
- Ultra-thin design, simple, generous and beautiful.
- 3A high polymer batteries, a new intelligent management of IC.

## Images

![Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver) - Image 1](http://ecx.images-amazon.com/images/I/41HiHMVaNbL.jpg)
![Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver) - Image 2](http://ecx.images-amazon.com/images/I/51H8vL8gnFL.jpg)
![Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver) - Image 3](http://ecx.images-amazon.com/images/I/31D7lhmYiUL.jpg)
![Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver) - Image 4](http://ecx.images-amazon.com/images/I/51xS1CQcc8L.jpg)
![Portable 20000mAh Dual USB Solar Battery Charger Power Bank-Ultra Slim Solar External Battery Pack,Solar Charger with LED Lights for Emergency Cell Phones Tablet Camera (sliver) - Image 5](http://ecx.images-amazon.com/images/I/41kXBGbANEL.jpg)

---

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**Shop now:** [https://www.desertcart.jp/products/31859841-portable-20000mah-dual-usb-solar-battery-charger-power-bank-ultra](https://www.desertcart.jp/products/31859841-portable-20000mah-dual-usb-solar-battery-charger-power-bank-ultra)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-01*