The battery box can fit a 120ah AGM 175 x 210 x 330L 
The box has
1 x 12Volt outlet
1 x Dual USB outlet
2 x Anderson Plugs 
1 x Solar Input
1 x Voltmeter
Redarc DC-DC Charger 25amp
good size internal cables 
good quality internal fusing 
 
Can be customised