ENGPOW high-end lithium polymer batteries used in batteries are professional manufacturers of a new export A brand batteries, "nano" base material, each chip factory are subject to strict quality testing and capacity, internal resistance, Voltage, the appearance of accurate matching, foot C capacity.
to ensure that customers buy excellent performance, voltage uniformity of the battery.

Product manual:
Specifications: 3.7V 680mAh 25C
Voltage: 3.7V
Capacity: 680mAh
Continuous discharge rate: 25C
  Size: Length 43MM * Width 25MM * Thick 8MM
Factory standard: silicone charging line