Nothing Ear & Ear (a) Battery Replacement Guide | Fix Battery Drain

Is your Nothing Ear (a) dying after only an hour of use? In this video, we perform a full teardown and battery swap for the Nothing Ear (a) earbuds. We’ll show you how to safely open the adhesive seal, desolder the 46mAh battery, and reseal them for a factory-like finish. ⚠️ DISCLAIMER: This repair is difficult and will void your IP54 water resistance and warranty. Proceed at your own risk! Parts & Tools: .Replacement Battery: LIR1240 or CP1240 (3.7V / 46mAh) Coin Cell. .Heat Source: Heat gun or high-wattage hair dryer. .Opening Tools: Ultra-thin metal pry tool or plastic opening picks. .Soldering: Fine-tip soldering iron and thin solder wire. .Adhesive: B-7000 or T-7000 waterproof glue for re-sealing. #NothingEarA #NothingTech #BatteryReplacement #EarbudRepair #DIY #Teardown