This is a replacement battery for the Samsung Galaxy Tab 7.7 P6800 and P6810 models, with a 1S2P configuration and model numbers SP-397281A and SP-397281P. The battery has been designed to provide reliable and long-lasting power to your tablet, ensuring you can stay connected and productive on the go. With this replacement battery, you can restore your device's battery life and performance to its original state, so you can continue to enjoy your Samsung Galaxy Tab 7.7.