... 4.Long life time CR2032 Coin Type motherboard lithium batterySpecification: Battery type:CR20321.Nominal voltage:3 V2.Standard ... + 60°C10.Electrochemistry:Positive:MnO2 11.Negative:Metal Lithium12.Certifications:ISO 9001/14001, UL, CE, UN38.3, SGS, RoHs, PONYApplications: ... motherboard, C-MOS, S-RAM, RFID, electronic memory system, wristwatch, calculator, toy, ...