For Samsung Galaxy S6 Battery Case 4200mAh Rechargeable Impact Resistant BlackFeatures: EXTRA BATTERY CAPACITY- The 4200 mAh battery case extends the battery life of your Galaxy S6 for hours with more power to talk,surf and send.It delivers more than 120% extra battery capacity when you need an extra boost to make it through the day UPDATED FEATURES- Crafted to the specific dimensions of Galaxy S6,this Samsung Galaxy S6 Battery Case interior is covered in soft microfiber lining to protect the rear glass panel of your phone from cosmetic damage.The extended opening for back camera can also facilitate the removal of the battery case without leaving fingerprint smudges on the camera. HIGH LEVEL PROTECTIONâ- The light-weight design features a soft flexible frame & hard-shell backplate to provide your phone with the utmost protection against drops,scratches,and bumps even when not charging. CHARGE WITH CONFIDENCE-Built-in fail-safe circuitry and temperature protection prevents over-charging and overheating. The first-class lithium-ion polymer cells can also guarantee the most efficient charge.You don't even need to remove the case to sync up your phone with a computer or laptop.