... 3.1 year warranty time For phone battery nokia C6/BL-4J,replacement battery,rechargeable batteryType: Li-ionCapacity: 1500mAhColour: blackVolt: 3 ... protection.Compatible phone models: Nokia C6 C6-00Compatible battery model:BL-4J BL4JNote:12 months warranty,passed CE, UL,RoHS, SGS ... , ATC, REACH, ISO9001:2000, ISO14001:2004 For phone battery C6/BL-4J