sony np-bg1 type g lithium ion rechargeable battery pack for sony w series t20 t100 n2 n1 h7 h9 digital cameras
the sony np-bg1 is a type g infolithium rechargeable battery pack for compact sony digital cameras such as the dsc-n1 . it has a battery life of approximately 270 images or a viewing time of approximately 200 minutes . it is enabled for accupower for displaying the amount of minutes for remaining battery life . it has a power rating of 3.6-volts 3.4-wh 960 mah with no memory effect . the battery can be charged with bc-cs3 battery charger or cybershot station cradle sold separately .