Samsung Galaxy S21 Battery

Replace a dead or malfunctioning model EB-BG991ABY battery in a Samsung Galaxy S21 smartphone.

For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.

Learn more about safe lithium-ion battery handling and proper disposal.