Apple Watch Series 1 Batteries
Replace a cracked screen or a dead battery in your Series 1 Apple Watch.
iFixit has you covered with parts, tools, and free repair guides. Repair with confidence! All our replacement parts are tested to rigorous standards and backed by our industry-leading warranty.
Apple Watch (42 mm, Original & Series 1) Replacement Battery
Replace a 245 mAh battery compatible with 2 mm Original or Series 1 Apple Watch models A1554 and A1803. 3.78 Volts (V). Battery model A1579.
Apple Watch (38 mm, Original & Series 1) Replacement Battery
Replace a 205 mAh battery compatible with Apple Watch 38 mm Original and Series 1 Models A1553 and A1802. 3.8 Volts (V). Battery Model A1578.
The Apple Watch Series 1 is a revamp of the original Apple Watch, announced September 7, 2016 simultaneously with the Apple Watch Series 2. The Apple Watch Series 1 offers similar specifications as the original Apple Watch, but has been equipped with an upgraded dual-core processor and watchOS 3. This watch is available only in an aluminum case with Sport Band.