voltage:3.7v capacity:800mah dimension:68.20x45.15x7.65 mm the features of our battery: 1.long conversation and standby time 2. long working life 3. low self-discharge 4. excellent security 5. no memory effect 6 the battery production line is of high-level automation, advanced quality control equipment, and a satisfactory variety of testing methods 7. the size of polymer li-ion battery can be made by the requirement of clients. 8.the price is very reasonable, and we provide very good after service.