iPhone Duo Teardowns Reveal Two Batteries and More

The first iPhone Duo teardown videos have been shared by YouTube channels Phone Repair Guru and REWA Technology , 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).