Mobile Phone battery For BL 4C: 1.Factory Price and Best Quality 2.6months ... .excellent after service Mobile phone battery for Nokia BL 4C:Battery Model BL 4CCapacity 800 mahCompatible Model 7200,7270 ... , 2652,3500CBattery Typer Li-ion batteryStandard Voltage 3.7VVharging Limited Voltage 4.2V+0.006v OperatingTemperature Charging: -10°C ... with conductors, such as keys, coins,etc., bl 4C battery for Nokia