This system is very easy to install and features a small inverter/charger for charging with shore power. It has AC out for a laptop and DC out for a water pump, lights and a DC fridge. So all the essentials are covered.
This is the diagram:
This is the part list (total cost $1,100):
- 12V 200Ah battery, alternative
- 12V 500VA 20A inverter/charger
- Battery monitor
- Double pole MRBF fuse
- 30A and 50A MRBF fuse
- DC fuse box and use this brand fuse
- AC breaker box
- Grounding busbar
- GFCI and 20A breaker combination
- 12V DC fridge
- 6AWG cable
- 10AWG cable
- 14AWG wire
- 16AWG wire
What can it run?
I designed this system to run for 5 days without any recharging. This is what you can run daily:
After 5 days you can recharge the battery. Recharging the battery with the 20A built-in charger of the inverter will take 10 hours.