... 3.1 year warranty time For iPhone 4g internal battery,rechargeable battery,replacement batteryvoltage: 3.7Vcapacity: 1420mAhtype: Li-Polymercolor ... high temperature fuse gives extra protection.Compatible battery model:616-0435Fit phones model:Apple iPhone 4GNote:12 months warranty, ... passed CE, UL,RoHS, SGS, ATC, REACH, ISO9001:2000 For 4g internal battery ...