... life 500-1500times 3.OEM serviced 4.UL,CE,RoHS,EN Ni-Mh &ni-cd battery packDison looks quality ... to be 500~1000cycles.Self-discharge property of battery packAt 20 degree, average self-discharge rate of ... for a long time.Discharge property of battery packThe capacity of the battery changes with the discharge current (discharge ... degree±5 degree. Ni-MH Ni-Cd Li-ion battery rechargeable battery pack