The E-YIIVIIL Apple Watch Series 2 38mm Replacement Battery is a Li-ion Polymer one with a capacity of 273mAh/1.03Wh and voltage of 3.77V. It comes as a complete set with tools that allow you to easily do the replacement.
This battery is made with the same specifications as the original one and thus offers efficient charging and safety features to elongate the life of your Apple Watch.
Compatibility -
Apple Watch Series 2 38mm A1757
