1.High density high quality battery, high conversation rate(up to 92%)pcb board F lithium battery in cellphone (gb/t 18287 -2000 standard) 4. Fashion Anodic oxidation treatment metal case with different color, can print your logo to meet your design demand 5. Durable Charge-discharge¡y500times, low self-discharge (¡¨¹300|¨¬a), over 60 days standby time Size100*61*15.50mm Weight140g/pc