The Evolution is here!
 
Now compatible with Lithium LiFePO4 batteries.
 
Choose a battery and place it in the BATTBOXS2 for Portable Power, a battery management system and a dual-battery alternative. The Engel Smart Battery Box Series 2 has been enhanced for optimum charging and powering performance. This clever portable power source charges at 7 amps for AC and DC. Enabling the Engel Smart Battery Box Series 2 to power more devices when getting out in the great outdoors. The Engel Smart Battery Box Series 2 can be recharged via the following options: 240V Mains power (adaptor included). While on the move from the vehicle’s DC (cigarette) socket (cord included) and now you can charge on 12 or 24 volt DC. Solar panels (not included) via the Anderson socket or terminals.
 
TECHNICAL FEATURES:300watt inverter for supreme power to charge multiple or a high power device.

DC – DC car charging capabilities, 5 volt USB 2.1amp socket, 1 x 12 volt accessory sockets, 1 x Engel Posi fit socket, 50 amp Anderson socket, External battery terminals, Low voltage alarm, Manual isolator switch, Time tracker technology, Battery management system, 7 Stage smart charge.
 
Battery compatibility: LiFePO4, Gel, Calcium, AGM, lead acid