---
product_id: 210399439
title: "Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge"
brand: "charmast"
price: "¥6256"
currency: JPY
in_stock: true
category: "Charmast"
url: https://www.desertcart.jp/products/210399439-charmast-power-bank-ultra-slim-10400mah-portable-charger-quick-charge
store_origin: JP
region: Japan
---

# 15W USB-C Fast Charge 10400mAh High Capacity 100% Accurate LED Power Display Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge

**Brand:** charmast
**Price:** ¥6256
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay charged, stay unstoppable — power that keeps pace with your ambition!

## Quick Answers

- **What is this?** Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge by charmast
- **How much does it cost?** ¥6256 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/210399439-charmast-power-bank-ultra-slim-10400mah-portable-charger-quick-charge)

## Best For

- charmast enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Sound:** Built-in multi-protection system guards against overcurrent and short circuits for worry-free charging.
- • **Know Your Power:** Advanced LED display shows exact battery percentage—never get caught powerless again.
- • **Juice That Lasts:** 10400mAh capacity charges your iPhone 11 over 2x, perfect for all-day hustle or travel.
- • **Power Up in a Flash:** Smart E 3.0 tech delivers max charging speed across 3 ports simultaneously.
- • **Universal Compatibility:** Dual input ports and 3 outputs keep all your devices charged, from iPhone to Nintendo Switch.

## Overview

The Charmast Power Bank is an ultra-slim, 10400mAh portable charger featuring 15W USB-C Quick Charge with Smart E 3.0 technology. It supports simultaneous charging of three devices via three outputs and offers dual input ports for versatile recharging. Equipped with a precise LED power display and multiple safety protections, it ensures efficient, reliable, and safe power delivery for smartphones, tablets, and gaming devices. Ideal for professionals and travelers seeking a sleek, high-capacity power solution.

## Description

Free delivery and returns on eligible orders. Buy Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge | USB C Battery Pack 3 Outputs 2 Inputs, LED Display, Travel Essentials Powerbank compatible with iPhone 17/Samsung/Tablets at desertcart UK.

## Features

- ⚡ 15W USB C Fast Charge】All three ports adopted the Smart E 3.0 charging technology, automatically identify your devices and deliver its maximum efficiency. Smart E and VoltageBoost combine to deliver the fastest possible charge.
- ⚡ 10400mAh High Capacity: The power bank can charge your iPhone 11 2.3 times, iPhone 11 Pro 2.3 times, iPhone 11 Pro Max 2.1 times, Huawei P20 2.1 times, Nintendo Switch 1.7 times etc. Enough capacity for daily use and travelling etc.
- ⚡ Accurate LED Power Display: Adopted built-in advanced smart digital display technology, power display accuracy is up to 100% which ensures you know the remaining power clearly and never missing recharging in time.
- ⚡ 3 Outputs & 2 Inputs Port: This protable charge could charge 3 devices simultaneously with its 3 outputs.And it supports 2 types input ports, you can use any one those cables to get your power bank recharging ready on.
- ⚡ Safety Protection: Built-in multiple protection system to protect the power bank against over current and short circuit. It'll automatically turn itself off when short circuit or overloading occurs, and will extend the service life of your phone.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0891SLQDH |
| Antenna Location | Charge |
| Battery Capacity | 10400 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 3.5 Hours |
| Battery Weight | 74 Grams |
| Battery capacity | 10400 Milliamp Hours |
| Best Sellers Rank | 36 in Mobile Phone Portable Power Banks |
| Brand | charmast |
| Brand Name | charmast |
| Colour | Black |
| Compatible Devices | Google Pixcel 3XL/2XL/XL, Xiaomi 9/8, Huawei Mate30/Mate30 Pro/Mate20/Mate20 Pro,Huawei P30/P30 Pro/P20 Pro, Nintendo Switch/Kindle Fire and More, iPhone 11/iPhone 11 Pro/iPhone 11 Pro Max/iPhone X/iPhone XR/iPhone XS/iPhone XS Max/iPhone 8/iPhone 8 Plus/iPhone 7/ iPhone 7Plus/iPhone 6/iPhone 6S |
| Compatible Phone Models | Huawei,Iphone |
| Connector Type | USB Type C |
| Connector type | USB Type C |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 2,806 Reviews |
| Item Dimensions | 14.4 x 6.7 x 1.5 centimetres |
| Item Dimensions L x W x Thickness | 14.4L x 6.7W x 1.5Th centimetres |
| Item Weight | 228 Grams |
| Manufacturer | Charmast |
| Manufacturer Part Number | W1056P |
| Model Number | W1056P |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Number of Ports | 3 |
| Other Special Features of the Product | 10400mAh High Capacity, 18W PD & QC 3.0 Quick Charge, 3 Outputs & 2 Inputs Port, Accurate LED Power Display, Safety Protection |
| Power Source | Battery Powered,Corded Electric |
| Product Warranty | 3-year warranty |
| Reusability | Rechargeable |
| Special feature | 10400mAh High Capacity, 18W PD & QC 3.0 Quick Charge, 3 Outputs & 2 Inputs Port, Accurate LED Power Display, Safety Protection Special feature 10400mAh High Capacity, 18W PD & QC 3.0 Quick Charge, 3 Outputs & 2 Inputs Port, Accurate LED Power Display, Safety Protection See more |
| Unit Count | 1.0 count |
| Voltage | 5 Volts |

## Product Details

- **Battery capacity:** 10400 Milliamp Hours
- **Brand:** charmast
- **Colour:** Black
- **Connector type:** USB Type C

## Images

![Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge - Image 1](https://m.media-amazon.com/images/I/51ZiekZOS+L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What is the weight of this power bank?**
A: The weight of this power bank is 228g. Very light.

**Q: How do I know when it finishes charging?**
A: Dear friend, thanks for your question. The led digital display will show 100% when it is fully charged.

**Q: Does this support Huawei fast charging?**
A: Dear friend, thanks for your question. Yes, it supports.
About input: Micro USB and USB C input are compatible with QC 3.0/Samsung AFC/MTK-PE 2.0/Huawei FCP quick charge protocols. Besides, USB C input is provided with PD 2.0/3.0 quick charge protocol.
About output: USB C and USB 1/2 output are compatible with QC 3.0/Samsung AFC/MTK-PE 2.0/Huawei FCP and Spreadtrum SFCP quick charge protocols. It also supports BC1.2 protocol, Samsung and iPhone high current charge. Besides, USB C output is provided with PD 2.0/3.0 and PPS quick charge protocol.
Hope it can help you. Sincerely, Lisa.

**Q: Can this charge 3 devices at the same time?**
A: Yes, it can charge 3 devices simultaneously.

## Frequently Bought Together

- Charmast Power Bank Quick Charge 10400mAh USB C Power Bank Ultra Slim Portable Charger LED Display Power Pack Compatible with Smartphone iPhone Huawei and More
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**Shop now:** [https://www.desertcart.jp/products/210399439-charmast-power-bank-ultra-slim-10400mah-portable-charger-quick-charge](https://www.desertcart.jp/products/210399439-charmast-power-bank-ultra-slim-10400mah-portable-charger-quick-charge)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-22*