... Characteristics C size NI-MH battery 4000mAH 3.6V Product Specifications TypeC size Nickel Hydrogen Cylindrical Battery PackNominal Voltage3.6VNominal ... Approved by CE RoHs certificates. ApplicationMP3, Walkman, E-toys, E-tooth brusher, Brushes shaver, LED torch, Alarm ... toys, Adult toys. CertificatesUL,CE,RoHS,MSDS,UN38.3,IEC61233 Guarantee1 year. 100% real capacity. C size NI-MH battery 4000mAH 3.6V