Product parameters:

battery model: Polymer 602040

nominal Voltage: 3.7V internal resistance: less than 100 Mohm

design Capacity: 350mAh minimum capacity: 330mAh

charging current: standard charging: 0.2C; Fast charging: 0.5C

standard charging method: charge 0.2C CC (constant current) to 4.20V

maximum charging current: 0.5C

continuous discharge current: 0.5C

maximum discharge current: 1C

discharge cut-off voltage: 2.75V ± 0.05V

operating temperature:-20 ℃ ~ +60 ℃

storage Temperature: 0℃ ~ + 45℃

charging time: 4hrs (standard);2hrs (fast)

other technical parameters shall be subject to the company's product specifications.