mobile phone battery for NOKIA BP4L Capacity: 700mAh 1350mAh Voltage: 3.7V Limited Voltage: 4.2V 1.use Brand new A grade Cell to keep battery has longer life. No Recycled cell.2. use Taiwan high quality double IC to control battery in stable condition. No FAKE IC.3. use protection PCB with explosion-against line, to avoid battery explode when unstable charging, keep your battery and phone in safe.4. use Aluminum protect case to avoid overheat as plastic case.5.made by Injection moulding process to control battery in good closed condition. Waterproof to a certain extent.6. made REAL TRUE high Capacity as your demand, never cheat on Capacities We are factory! Every battery can make for high/low capacity as your like, welcome inquiry