Chemistry: LI-ION
Voltage: 7.4V
Capacity: 1600mAh
Dimension: 55.80x39.60x21.00 mm
http://www.canon-Digital-Camera-battery.co.uk/batteries/OLYMPUS-Digital-e-500.htm
http://www.Digital-Camera-batteries.org/OLYMPUS/Digital-e-500-battery.html
http://digitalcamerabattery.ca/Digital-Camera-batteries/OLYMPUS-Digital-e-500.htm
http://www.usa-batteries.com/Digital-Camera/OLYMPUS-Digital-e-500-battery.htm