Product description sony np fv100a v series rechargeable battery pack take along extra recording power for your camcorder so that you39re prepared to film life39s precious memories a lithium rechargeable battery pack greatly extends the operating time of a compatible device high capacity 74v 25wh 3410mah quick charging with optional ac vqv10 ac adaptorcharger sony np fv100a v series li ion rechargeable battery pack box contains np fv100a battery pack