Fix dead power low charge issue compatible for Wahl hair clipper. High capacity high quality rechargeable replacement battery, perfect fit. Screwdriver tool included, make the repair work much easier.  Built in connector for easy install and good wires connection. Compatible replacement for For Wahl Magic Clip Clipper Hair Cordless Designer Senior Sterling-4 Beretto Super Taper Part number 93837-OO1 High capacity high quality rechargeable replacement battery, perfect fit Screwdriver tool included, make the repair work much easier Built in connector for easy install and good wires connection Compatible replacement for For Wahl Magic Clip Clipper  Hair Cordless Designer Senior Sterling-4 Beretto Super Taper Part 93837-OO1 This lithium-ion battery suits various Wahl models, including the Super Taper Cordless, Cordless Magic Clip, Beretto, Senior, and Cordless Legend.  This version is specifically designed for 5-volt models. Clippers bought after March 2021 are likely compatible with this battery.  Brand new lithium-ion battery to replace your old one. Please note, when replacing a lithium-ion battery,