Lightest 5V 2A USB 20000mAh Heated Vest Battery Pack, Power Bank for Heated Jacket, Hoodies, Stadium Seats, Fast Recharging Portable Charge for Heated Clothing, Camping Chair (Black, 20000mAh)
Original price was: $31.99.$29.99Current price is: $29.99.
Price: $31.99 - $29.99
(as of Jan 07, 2026 12:47:20 UTC – Details)
Product description



OKZU is an R&D manufacturer with 10 years of experience. Providing products with reassuring quality at unbeatable cost is our biggest advantage and always be our #1 priority.
Lightest 5V 20,000mah Battery Pack Designed for Heated Clothing
Lighter Weight, Massive Power
Small & slim size easily to put in your pocketSupport two devices charging at the same timeLED digital display shows current power15-Layer protect system
Capacity: 20000mAh/74Wh USB C Input/Output: 9V/2A; 5V/3A USB A Output: 5V/2A; 5V/3A Recharging Time: 7 hours (with quick charging wall charger) Size / Weight: 135*68*27mm/300g

Up to 14 Hours
Enjoy up to 14 hours of warmth thanks to the large battery capacity. Ensure power supply throughout the day

LED Digital Display
With a clear and non-marking flat digital display, you can know the accurate remaining power percentage at any time by simply pressing the power bank button, and allocate power to the device reasonably.

15-Layer Protect
Our Multi Protect system combines high-voltage protection, current regulation, temperature control, and more to keep you and your devices safe.

【NOTICE】It doesn’t work with 7.4V or 12V DC input heated clothing.
【Lightest 20000mAh Power Bank】One of the lightest 20000mAh external battery only 10 Oz , excellent travel battery pack easy to carry, reliable. 20000mAh capacity can provide up to 14 Hours for your heating Clothing.
【Designed for 5V USB Heated Clothing】It is compatible with 5V USB input heated vest, heated jacket and other heated Clothing. The professional customized chip provides continuous and stable output for the heating Clothing,
【Lightspeed Recharge】Power up your power bank in just 6 hours with a USB-C Fast wall charger (not included). Double faster than 5V/2A input power bank.
【15-Layer Protect】Our Multi Protect system combines high-voltage protection, current regulation, temperature control, and more to keep you and your devices safe. And the built-in Li-Polymer batteries adhere to the highest safety and quality standards to ensure complete safety for you and your devices.
【Accurate LED display】The PD 20W portable charger which helps you to easily know the battery status and level.Accurate display gives the charge level from 0 to 100%, letting you know the remaining battery clearly.
【What You Get】20000mAh battery pack*1, USB C cable*1, user manual*1.
Specification: Lightest 5V 2A USB 20000mAh Heated Vest Battery Pack, Power Bank for Heated Jacket, Hoodies, Stadium Seats, Fast Recharging Portable Charge for Heated Clothing, Camping Chair (Black, 20000mAh)
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8 reviews for Lightest 5V 2A USB 20000mAh Heated Vest Battery Pack, Power Bank for Heated Jacket, Hoodies, Stadium Seats, Fast Recharging Portable Charge for Heated Clothing, Camping Chair (Black, 20000mAh)
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Original price was: $31.99.$29.99Current price is: $29.99.





Amazon Customer –
Good quality
I love it. Has a little weight on it but the battery life is really good, its reliable. About the size of an iphone, but just more thick. I like to leave it charge and have it ready for an emergency or road trip
Consumer –
Heavy but functionality is good and battery life is good too.
It is heavy but it works fine with a heated vest.
Wm. Todd Monroe –
Reasonable price
Work great so far
Ana todo perfecto 👌 –
Me resolvió. Carga rapido
Si me gusto
AMY K DOSH –
battery for stadium seats
I bought this for some heated stadium seats and it works great! I used it the first time at Friday night football game for the entire game and it was still at 85% battery life by the time I got home. I ordered a second one (since I bought two seats) after testing it out.
Susan Margaret –
Like this item.
Thank u
Daniel –
Amazing product
This thing lasts forever, it came 100% charged and I used it a ton and also didn’t use it for a little while also and even after use and long not using but just sitting, it’s still only at 94% and it’s been at least a month since I got it
Clay –
As advertised.
Bought this as a backup for my heated vest. It is not my primary for the vest now. Also will charge my phone.