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Replace a cracked screen or a dead battery in your 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.
Replace a 245 mAh battery compatible with 42 mm Original or Series 1 Apple Watch models A1554 and A1803. 3.78 Volts (V). Battery model A1579.