The Thunder Battery Box provides 12 volt and 240 volt power for common devices and appliances, acting as a dual battery system to manage solar and in-vehicle charge. Featuring a 7 stage smart charger to maintain battery condition, the unit is compatible with leading vehicle batteries, including Lead Acid, Calcium, Gel and AGM up to 120Ah in size. Setting up the Battery Box is simple, with a step-by-step guide that helps you select your type of battery, remembers the last battery you used, and will warn you if there’s a fault during charge.

300W modified sine wave inverter, 5 volt USB 2.1A socket, 2 x 12V accessory sockets, 50A Anderson socket, external battery terminals, low voltage cut-out and manual isolator switch.

Charges most 12 Volt batteries including Lead Acid, GEL, AGM, LiFePO4 and Calcium batteries.
Weight: 4.62kg (excluding battery)
External dimensions: 240mm (W) x 440mm (L) x 327mm (H)
Internal dimensions: 180mm (W) x 330mm (L) x 238mm (H)