... 6V40mAh NiMH button cell Over 400 cycle times Temp -20 to +45 degreeC CE,RoHS,ISO 3.6V40mAh NiMH Button Cell BatteryApplicationsRechargeable ... NiMH button cell battery packs for torch & flashlight, LED Lights ... Customized configurationsOEM serviceSmall order available 3.6V NiMH Rechargeable Button Cell Battery