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Your needs, our goals

Portable Power


Grepow is committed to bring new developments in high capacity portable power storage to market. Our portable power storage solution offers the advantages of higher energy density with various functions.

TATTU 100Wh portable power station


High quality Lithium ion Polymer and Lithium Iron Phosphate Batteries - reduced weight and increased safety ;

Longer available work time due to higher capacity ;

Supports Fast Charging ;

Multi-Layer protection safety system from our in-house BMS ;


TATTU 100Wh portable power station
A portable and compact power source that can be used on multiple occasions to provide you with AC or DC power supply. The TATTU 100Wh portable power station is equipped with stable and safe performance LiFePO4 batteries.
Wall Charger
Tattu's new power bank 5200mAh is a charger and power bank combo. Compact design and easy to carry everywhere. Tattu 5200mAh 17W 3.4amp AC power bank for iPhone, iPad, Samsung, MP3/4, Android devices, and other electronics.