Smart Battery Box with Inverter


Smart Battery box with 500 Watt pure sine inverter built in.   Group 31 size box.   Plug your laptop,  small tv or other small appliance (up to 500 Watts) into the AC plug on your smart battery box!  Great for marine and  camping use.



Smart Battery Box with Inverter

Battery box for  a Group 31 battery with a 500 Watt Pure Sine inverter built in

Battery Status LED indicator

500 Watt inverter with 1 AC outlet

1,000 Watt peak power

2 x 12 Volt outlets

2 USB ports

Digital voltmeter

Circuit Breaker switch

Heavy duty handling for easily transporting

EWGR31-500W user manual

** battery not included

Additional information

Weight 20 lbs
Dimensions 16 × 12 × 10 in
BCI Group Size



12 Volts

31M battery box

31 smart battery box

Group 31 Marine smart box

Power Battery box

Smart Battery box with inverter