Modern lithium technology enables up to 35% longer performance duration compared to conventional energy photo batteries. Your resistance at extreme temperatures and low weight make you the only choice for every professional photo. Recommended for digital cameras, 35mm, APS cameras and flash units. Available in all most popular sizes. 35% longer lifespan than previous energy photo batteries, even at extreme temperatures (-40 ° - +60 ° Celsius) for up to 10 years