The first iPhone Duo teardown videos have been shared by YouTube channels REWA Technology and Phone Repair Guru, providing us with a look inside the device. iPhone Duo has two battery cells that can be removed with electrically-activated adhesive. There is a larger battery with a 2,962 mAh (11.56 Wh) capacity and a smaller one that is rated at 1,921 mAh (7.5 Wh). Total battery capacity is 4,883 mAh.

The first iPhone Duo teardown videos have been shared by YouTube channels REWA Technology and Phone Repair Guru, providing us with a look inside the device. iPhone Duo has two battery cells that can be removed with electrically-activated adhesive. There is a larger battery with a 2,962 mAh (11.56 Wh) capacity and a smaller one that is rated at 1,921 mAh (7.5 Wh). Total battery capacity is 4,883 mAh.