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          Grepow was founded in 1998, focusing on the R&D and manufacturing of Ni-MH batteries.

          Grepow obtained ISO9001 certification

          Grepow successfully developed high power Ni-MH batteries

          Grepow was rewarded as High-tech Enterprise of Shenzhen

          Grepow obtained ISO14001 certification

          Grepow successfully developed Low-self-discharge Ni-MH batteries

          Grepow entered the field of lithium ion batteries, and established the brand "格氏"

          Hunan Grepow New Energy Co., Ltd was founded in Hunan province

          National Hi-Tech enterprise, annual production of 150M Ni-MH and 50M Ah LiPo batteries

          Grepow was rewarded as National High-tech Enterprise of China

          The RC hobby batteries of the "格氏" brand has the highest sales volume in China

          “Gens ace” brand was founded

          Grepow achieved $45 million dollar annual production value

          Grepow established branch in Germany

          Launched high-rate lithium iron phosphate battery

          Grepow entered the drone industry and supplied related lithium batteries for it;

          Grepow established USA branch office in San Francisco bay area;

          Grepow became the world's first enterprise to enter the consumer drone battery supply system;

          Grepow became the world's first Chinese factory that provides "Battery+BMS" battery solution for UAV;

          Established Shaped battery department, develop the special shape lithium-ion batteries.

          Grepow founded the world's first drone battery brand "TATTU";

          Grepow joins Shenzhen UAV Industry Association (SZUAVIA) and served as the vice chairman;

          Established a wholly-owned subsidiary, "能銳 NengRui", to develop and manufacture special-shaped batteries;

          Grepow obtained OHSAS18001 certification (Health & Safety Management Systems);

          Grepow obtained IATF16949 certification (Automotive Industry's International Standards).

          Grepow developed the first rechargeable special-shaped lithium battery - Curved battery, entering the wearable field.

          Launched 120C Lithium battery for Jump Starter and entered the Auto-parts market;

          TATTU R-Line V1.0 battery was born, providing professional batteries for world-level FPV competition events;

          Launched 0.45mm ultra-thin Shaped battery.

          Grepow was rewarded as "National High-tech Enterprise" and "Shenzhen High-tech Enterprise" again;

          Grepow achieved $120 million dollar annual production value.

          Grepow passed the "Integration of Informationization and Industrialization Management System certification" of China

          Grepow was certified as high discharge-rate lithium-ion battery engineering and technology research center by the Department of Science and Technology of Guangdong Province (GDSTC)

          Grepow launched -40℃ ultra-low temperature lithium battery;

          Grepow's low-temperature battery technology breakthrough to -50℃;

          Launched -40℃ ultra-low temperature lithium iron phosphate battery.

          Grepow established its sub-brand Lokithor and launched its first jump starter product "JA301";

          "Jump Start Hope, Pump up for you" Lokithor JA301 is the first cross-border collaboration with the fashion industry;

          Grepow obtained ISO13485 certification;

          Launched the first self-developed R/C charger product - IMars III.

          Grepow launched the patented product "non-destructive welding full sealing technology" lithium Button-Cell battery;

          Grepow launched the first agricultural UAV battery smart charger - TA3000;

          Launched the concept of "UAV Battery G3";

          Cooperate with the University of Zurich Robotics and Perception Laboratory (UZH-RPG) to jointly hold a world-class FPV champion vs artificial intelligence competition.