... applications:TOPBAND want to provide the long lasting energy for portable equipments and other applications. Our high energy density ... FCC,ETL,CE,RoHS• Our main battery application : Power tools,E-bike ,E-Scooter ,E-Moto ,Golf cart ,E-wheelchair ,PDA,Solar System,Electric equipment ... voltage and capacity battery pack. We also see the battery cell 3.2V20Ah, 3.2v 10Ah.^-^ Below is some battery pack use ...