Quality 6V 1/2D 3500mAh NiMh battery packs Model No. NIMH battery Nominal Voltage 6V Capacity 3500mAhmah Standard charge: 0.1C for 16hrs Fast charge:0.5C for 2.4hrs Discharge cut-off voltage: 5.0V Recommend storage temperature: -20-35ºCordm;Cordm;C Charge Temperature: 0º-45ºC;-45ºCrdm;C;-45ºC Discharge temperature: -20-70ºCordm;Cordm;C Certification: CE.UL FCC Application: DVD, MP3, Digital Camera, Portable computer, Cordless phone, Electrical Toy, and so on . Features: 1: Long service life: 500-1000 cycles 2: OEM orders are welcome 3: CE, ROHS,ISO.MADS,SGS certificated 4: High capacity,long cycle life and stable voltage output 5: Reliable quality , good price and excellent service 6: Customer packs, tags,labels, pulgs, connectors, over current protection temperature control protection are available