Panasonic Long Life 9-Cell Battery for CF-31 & CF-53

Replacement for the standard (main) battery. Provides up to 19.5 hours of battery life (MobileMark 2014). Charges in 3.5 hours (6 hours with optional 2nd battery)

Type : Li-ionVoltage : 10.65VCapacity : 8.55 Ah (Typical) / 8.10 Ah (Minimum)Weight Approx : 475 gEnvironment (In use) Temperature : 5 °C to 35°C {41 °F to 95 °F}Humidity : 30% to 80% RH (No condensation)
Type : Li-ion
Voltage : 10.65V
Capacity : 8.55 Ah (Typical) / 8.10 Ah (Minimum)
Weight Approx : 475 g
Environment (In use) Temperature : 5 °C to 35°C {41 °F to 95 °F}
Humidity : 30% to 80% RH (No condensation)