1 Rechargeable Button cell 2 CE,UL,RoHS,REACH 3 1.2V-40mAh 4 ... performance characteristics etcPackage & DeliveryPackage:PVC or CardbordDelivery:35 DaysApplication:Wireless Microphone,Electronic Instruments,Power Memory Support,Solar Product,Medical Equipment,Dynamo ... Appliances,Automatic Alarm,Electronic Testing Equipment,Communication Equipment,Wireless Phone and etc. NiMH rechargeable button cell