... system and car starting etc. Specification: Model:TB-3220FHTypeLiFePO4 battery cellNominal voltage: 3.2VTypical capacity20AhInternal Impedance(1kHz AC)<4mΩMax ... system authentication. Certifications:UL,FCC,ETL,CE,RoHS• Our main battery application : Power tools,E-bike ,E-Scooter ,E-Moto ... Electric equipment ,Emergency lighting and etc. • There are over 200 R&D engineers and about 2,000 employees in the ...