Sea Dog Power Box Battery Switch 12/24V. The Power Box is controlled with a 50A battery switch and is monitored with an LED voltmeter. Switch features a removable knob for extra security. Power box includes: two power sockets, two Anderson outputs, one USB-C, and four USB-A 2.4A ports. Features onboard internal fuse block. Great for Jon Boats & Kayaks. Anderson battery plug with terminals and four #8 FH mounting fasteners included.