Once a phone is full charge does it turn off by itself?

Yes, of course, sir/madam. When you use this usb c quick charge battery pack external battery charger to charge your cell phone, once your mobile phone full chargerd, this 26800mah portable charger will automatically stop output by itself and the lights will be off. Hope this answer may help. Thanks

H- Does this have pass through charging, i.e. can it charge devices while it is being charged?

Hello sir, our this usb c power bank doesn't support pass through charging function, and I suggest you not doing that, because it would damage your device and this usb c portable charger battery. Thanks.

Faa approved for flights?

Of course yes, friend. Our this Charmast power bank power delivery usb c pd portable charger can be taken on a plane for a long flight that without worrying about your phones and MacBook power shortage, since this 26800mah usb quick charge external battery pack meets TSA standard. With its high capicity, that's enough power to last an entire trip. Hope this answer may help. Thanks.

Does this have fast charging capabilities for galaxy s10 plus?

Hello Sir, as you can see from our this 20000mah high capacity power bank, the orange output (output 1) is compatible with QC 3.0 quick charge function, and the type c port supports QC 3.0 and PD (USB Power Delivery) function. So if you want to enjoy the fast charging speed, it all depends on whether your Samsung Galaxy phone supports quick charge feature. Thanks.

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26800mAh Slim Portable Charger Power Bank, 15W Fast Charging Battery Pack, Travel Essentials Compatible with iPhone 16/16 Pro/16 Pro Max, iPhone15/14/13/12 Series, iPad, Samsung etc

26800mAh Slim Portable Charger Power Bank, 15W Fast Charging Battery Pack, Travel Essentials Compatible with iPhone 16/16 Pro/16 Pro Max, iPhone15/14/13/12 Series, iPad, Samsung etc

Product ID: 147644057

Details

Battery Capacity
26800 Milliamp
Brand
charmast
Color
White
Connector Type
Micro USB USB
Special Feature
4 Outputs Fast

⚡15W fast charging power

📱4-device simultaneous charging

🔋26800mAh massive capacity

Description

⚡ Stay powered, stay unstoppable — the ultimate slim power bank for the go-getters!

SLIM YET MIGHTY - Ultra-slim 0.6-inch profile with a rubberized grip that fits perfectly in your hand or bag.
SAFETY FIRST ALWAYS - UL 2056 certified with built-in safeguards against overheating, overcharging, and short circuits.
SPEED MEETS SMART TECH - 25% faster charging with 4 intelligent USB ports that optimize power delivery for every device.
POWER THAT LASTS ALL DAY - Charge your iPhone 13 up to 5 times or Samsung Galaxy 4 times without hunting for outlets.
TRAVEL READY RELIABILITY - Lightweight 400g design with 24-month tech support—your ultimate companion for work, play, and adventure.

The Charmast 26800mAh Slim Portable Charger delivers massive battery capacity with 15W fast charging and 4 smart USB outputs, enabling simultaneous charging of multiple devices. Its sleek 0.6-inch slim design and rubberized finish combine portability with durability. Certified for safety and backed by 24-month support, it’s engineered for professionals and travelers who demand reliable power on the move.

Specifications

ASIN	B07SW6M1PX
Amperage	3 Amps
Antenna Location	Iphone
Battery Capacity	26800 Milliamp Hours
Battery Cell Type	Lithium Polymer
Battery Weight	160 Grams
Best Sellers Rank	#9,632 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #401 in Cell Phone Portable Power Banks
Brand	charmast
Color	White
Compatible Devices	Airpods, Moto, Google Pixel, LG, and More, Samsung Galaxy S23, S22, S21, S20, S10, Note 20, Smartphone, iPhone 15/15 Plus/15 Pro/15Pro Max/14/14 Plus/14 Pro/14 Pro Max/13/12/11/XR/XS/X/8/7/6, iPad,
Connector Type	Micro USB, USB Type C
Customer Reviews	4.4 out of 5 stars 258 Reviews
Item Dimensions	3.6 x 6.3 x 0.6 inches
Item Dimensions L x W x Thickness	3.6"L x 6.3"W x 0.6"Th
Item Weight	400 Grams
Manufacturer	Charmast
Mfr Part Number	W2002P
Model Number	W2002P
Number of Batteries	2 Lithium Polymer batteries required. (included)
Number of Items	1
Number of Ports	3
Other Special Features of the Product	4 Outputs, Fast Charging, Huge capacity, Slim, travel essentials
Portable	Yes
Power Source	Battery Powered,Corded Electric
Special Feature	4 Outputs, Fast Charging, Huge capacity, Slim, travel essentials
Unit Count	1.0 Count
Voltage	5 Volts
Warranty Description	24-month support
Warranty Type	24-month support

Reviews

P**Z

25.04.2026

S**E

28.01.2026

M**C

6.02.2026

L**L

1.01.2026

S**Y

30.11.2025

A**R

24.12.2022

A**R

4.12.2025

X**R

27.01.2026

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