DURACELL Ultra Photo Battery 28L / 544. Also known as: PX28L, 2CR1/3N, 4LR44, 476A, 544, L1325, PX28A, V4034PX, CR11108, V28PXL. Diameter: 13.0mm, Length: 25.2mm, Voltage: 6V. Supplied in blister packs of one. This DURACELL 6v battery is commonly used in Cameras, Dog Collars, Car Alarms, Garage Door Openers, Security Devices, Radio Controls and other Electronic Devices.