Specifications: Rated Capacity (mAh): 2600
Min. Capacity (mAh): 2450
Battery Voltage: 1.2V
Feature: Battery Case Included
Pre-charged and ready to use out-of-package
Can be stored for extended period of time without substantial loss of power
Retains up to 85% of charge after one year of storage
Rechargeable up to hundreds of times
Suitable for high drain devices such as digital cameras and gaming devices
Specifications: Commander FunctionYes Remote FunctionYes Guide Number28m/92ft. (at ISO 100, 35mm zoom head position, in FX format, standard illumination pattern, 20?C/68?F) to 39m/128ft. (at ISO 200, 35mm zoom head position, in FX format, standard illumination pattern, 20?C/68?F) Electronic ConstructionAutomatic Insulated Gate Bipolar Transistor (IGBT) and series circuitry Flash Exposure Controli-TTL Balanced