PowerOak K2 Company


2.685,00 2.535,00 incl. BTW

Capacity185Wh / 50.000mAh
RechargeAC (grid)
Charge time6-8 hours
Output USB2X 5V 2.1A / 2X 5V 1.0A
Output DC12V 2.5A / 20V 3.0A
Ideal forCamping, expedition, garden


For companies we have a special deal. If you order 15 units of a K2 at an already special price we give an additional reward to customize your K2 in the colors of your company, see images.


The PowerOak K2 is a multi-use All-in-one powerbank. It can charge up to 4 devices simultaneously. It has one 20V/3A, one 12V/2.5A, two 5V/2.1A and two 5V/1A outputs. And it can be charged with an AC adapter. The PowerOak K2 is a real life safer, you never have your laptop, cell phone, tablet run out of battery when you take along our long-lasting 50000mAh (185Wh) K2. The K2 has in contrast to its hugh battery capacity a weight of only 1300 gram. No need to find electrical outlet when you’re on business travel, going camping, etc.  anymore with the PowerOak K2.

Energy anytime, anywhere

From now you can charge your notebook with our super powerfull K2 Power Bank. Your best buddy when going on a work trip, vacation, a roadtrip or at school! You can power up your Laptop, Notebook, Tablet, Smartphone, without power from the Grid. The hugh battery of 185Wh can charge your phone up to 30 times. You can even power even up to four devices simuntaniously, so your NoteBook and smartphone need to be recharged at the same time? No problem for our PowerOak K2 at all!

The K2 Power Bank can be charge with power from the grid with the included AC adapter.

The most Powerfull Power Bank now available

What can you do with all that power? Charge up your devices up to the amount of charges indicated in the picture below.



PowerOak K2 Powerbank

Model No.K2-50AH
Battery Capacity185Wh 50.000mAh
Battery TypeLithium ion battery
Battery Voltage12~16,8V
Charge timeACDC1: 16,8V 2,5A6-8 hours
Input voltage16V-40V
4 X USB2 X 5V 2,1A; 2 X 5V 1A
2 X DC 6mm12V 2,5A; 20V 3A
EnvironmentHumidity 10%-90%
 Use temperature -10~60°C
 Charge temperature 0~45°C
Dimensions206,9 x 136 x 33mm

Product video


PowerOak K2 Manual


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