Battery Box & Electronics 12v Socket USB Socket 12V Battery MonitorThese compact battery boxes allow campers to safely transport their battery packs. The Polypropylene plastic is acid resistant and provides durable protection to the battery.The output sockets allow easy connection to a whole range of camping facilities such as portable fridges and LED TVs, as well as allowing convenient charging of phones and tablets.The external connections allow solar or 240v charging to be applied without taking the battery out of its housing. The box is vented to eliminate any build up of charging gases.Specification.Will take up to 100 amp battery, suitable for Led acid, AGM/Gel or Lithium batteries12v digital voltmeterDouble USB Socket2 x 12v Cigarette type socket10 amp fuse breakerExternal connections for solar/chargingSturdy travel strap and handleMaximum Battery Size; Length 310mm, Width 180mm, Height 220mmBox external size; Width 245mm, Length 425mm, Height 265mmBox internal size; Width 185mm, Length 330mm, Height 240mm