Changzhou Hottech manufacturers first designed hidden seat post battery in 2017 and applied for certification. Recently, seat post battery is more and more popular as its fashion, convenience and saving space. Lightweight, high energy densities, an fas charge, all of these make lithium battery our first option.
Voltage: 36V
Capacity: 5.2Ah, 6.4Ah, 7.0Ah
Diameter: 46mm
Charging time: 2-3 hours