Specifications: Capacity AA 2600 mAh Lasts up to 10 times longer* Rechargeable without memory effect 'Ready to use' technology Very low self-discharge: 65 % remaining capacity after 12 months** Pre-charged for immediate usage straight from the pack Compatible with all chargers and devices Diameter 14.5 mm Height 50.5 mm Weight 31 g Chemical System Nickel Hydride Capacity 2,600 mAh Voltage 1.2 V