What is the weight of this power bank?

The weight of this power bank is 228g. Very light.

How do I know when it finishes charging?

Dear friend, thanks for your question. The led digital display will show 100% when it is fully charged.

Does this support Huawei fast charging?

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.

Can this charge 3 devices at the same time?

Yes, it can charge 3 devices simultaneously.

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Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge

Charmast Power Bank, Ultra Slim 10400mAh Portable Charger Quick Charge

Product ID: 210399439

Details

Battery capacity
10400 Milliamp
Brand
charmast
Colour
Black
Connector type
USB Type C

⚡15W USB-C Fast Charge

🔋10400mAh High Capacity

🔢100% Accurate LED Power Display

¥3811

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your hustle, anytime, anywhere!

BUILT IN SAFETY SHIELD - Overcurrent and short circuit protection keep your devices and power bank safe and durable.
POWER THAT LASTS ALL DAY - 10400mAh capacity charges your iPhone 11 over twice—never run out on the go.
CHARGE AT LIGHTNING SPEED - Smart E 3.0 tech delivers max efficiency across 3 ports for ultra-fast charging.
STAY INFORMED STAY READY - Advanced LED display shows exact remaining power so you’re never caught off guard.
SIMULTANEOUS MULTI DEVICE BOOST - 3 outputs and 2 inputs let you power up multiple devices and recharge the bank flexibly.

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 charging three devices simultaneously via three outputs and recharges quickly through dual input ports. Its precise LED power display ensures you always know your battery status, while built-in safety protections guard against overcurrent and short circuits. Compatible with a wide range of smartphones and gadgets, it’s a reliable travel essential backed by a 3-year warranty.

Specifications

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
Best Sellers Rank	36 in Mobile Phone Portable Power Banks
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
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (2,806)
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
Unit Count	1.0 count
Voltage	5 Volts

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¥3811

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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5 days ago

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The product quality is outstanding. Exactly what I needed for my work.

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