... 3.Factory price for sale Durable lithium motherboard battery CR2032 Specification: Battery type:CR20321.Nominal voltage:3 V2.Standard current ... Positive can (Mark +), negative cap9.Operating temperature range:-20°C ~ + 60°C10.Electrochemistry:Positive:MnO2 11.Negative:Metal ... UL, CE, UN38.3, SGS, RoHs, PONY Applications:motherboard, C-MOS, S-RAM, RFID, electronic memory system, wristwatch, calculator, ...