Krisdonia 50000mAh Laptop Power Bank 5/9/12/16/19/20V Portable Laptop Battery Charger with QC3.0 USB-A Port & 12V Type-C Port for Laptop, Tablet, Smartphone and More Devices

Krisdonia 50000mAh Laptop Power Bank 5/9/12/16/19/20V Portable Laptop Battery Charger with QC3.0 USB-A Port & 12V Type-C Port for Laptop, Tablet, Smartphone and More Devices

Q: The description says "update" supports pass through charging. i cannot, however get anything to charge while the power bank, itself, is charging?

Yes it does, but there's a trick: You must first plug the cable to charge the battery pack, and second, press the power button until the display says 5V. This enables pass-through mode. Of course you can double-press the power button if you need to adjust the DC output if needed. Just remember that when you plug in the charging cable for the battery pack, it will immediately shut off the output until you turn it on again.

Q: how does manufacturer come up 50000 mah ? what cell using ?

I believe that is at 3.7V, so 50,000mAh * 3.7V = 185 Wh.

Q: Does it/ can it be used to change a Surface pro 4

Yes. It can charge Surface pro 4 which is 12v. DC output: 5V/8.4V/9V/12V 3A (max) 16V(16.5V)/20V(19V, 19.5V) 4.7A (max) But we don't include this adapter. You need to buy an adapter or a cable by youself. Thank you. Have a nice day!

Q: Pretty sure this cannot be checked in a aircraft baggage. Kindly clarify if this is allowed as a hand luggage on an airplane provided its power?

Dear customer, this power bank is 185Wh and you cannot take it on plane, even a hand luggage. You can buy Krisdonia 25000mAh which can be taken on plane. Thank you. Have a good one.

4.2/5

Product ID: 717635593

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Details

Connector type
USB Type C USB
Brand
Krisdonia
Battery capacity
50000 Milliamp
Colour
black
Special features
Portable

⚡QC3.0 fast charging USB-A ports

🔋50000mAh ultra-high capacity

🔌Adjustable 5-20V DC output for laptops

Frequently Bought Together

Krisdonia 50000mAh Laptop Power Bank 5/9/12/16/19/20V Portable Laptop Battery Charger with QC3.0 USB-A Port & 12V Type-C Port for Laptop, Tablet, Smartphone and More Devices

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Description

🔋 Power your hustle anywhere, anytime — never miss a beat!

BUILT TO LAST SAFE - UL-certified Li-Polymer battery with 6 layers of protection and 1000+ recharge cycles.
POWER THROUGH ANYTHING - Charge your 65W laptop up to 2.5 times without the bulky charger.
VERSATILE VOLTAGE CONTROL - Easily switch between 5V to 20V output to match your device’s exact needs.
RAPID MULTI DEVICE CHARGING - Dual QC3.0 USB-A ports plus a 12V Type-C port keep all your gadgets juiced fast.
SIMULTANEOUS CHARGE DISCHARGE - Keep devices powered while recharging the power bank—no downtime.

The Krisdonia 50000mAh Laptop Power Bank is a high-capacity, portable charger designed for professionals on the move. It supports adjustable DC output from 5V to 20V, enabling direct laptop charging without the original charger. Featuring dual QC3.0 USB-A ports and a 12V Type-C port, it rapidly charges multiple devices simultaneously. With pass-through charging, UL safety certifications, and a compact 1.15kg design, it’s the ultimate emergency power backup for laptops, tablets, and smartphones.

Specifications

Product Dimensions	19.5 x 15 x 2.8 cm; 1.15 kg
Batteries	1 Lithium Polymer batteries required. (included)
Item model number	NJF-5X
Connectivity technologies	usb
Special features	Portable, Wireless Charging
Color	black
Item Weight	1.16 Kilograms

Have a Question? See What Others Asked

The description says "update" supports pass through charging. i cannot, however get anything to charge while the power bank, itself, is charging?

how does manufacturer come up 50000 mah ? what cell using ?

Does it/ can it be used to change a Surface pro 4

Pretty sure this cannot be checked in a aircraft baggage. Kindly clarify if this is allowed as a hand luggage on an airplane provided its power?

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