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Electric System Overview
A typical Van Electricity System would allow both AC and DC to go in and out.
- 12V DC output: LED Light, Roof Fan, Refrigerator, Water Pump, Heater ignition, Air Conditioner.
- 110V AC output: Power outlet, Microwave oven, water heater, induction cooker.
- 12V DC input: Alternator charging, solar panel charging.
- 110V AC input: On-shore power supply and charging.
Electricity Subsystem Explained
Minimum Battery Capacity
How much Extra Battery needed ?
How much Extra Battery needed ?
Light(12W), Water Pump(60W), Fridge(120W), and Diesel/Gas Heater Ignition(36W) count the minimum required capacity of 200-300 Amp hours for a 12v Battery.
How much Extra Battery needed ?
How much Extra Battery needed ?
How much Extra Battery needed ?
12V Air Conditioner, 110V Micro Oven, 110V Water Heater, and 110V Induction Cooker are the choices that require huge extra battery capacity.
Alternator Charging
How much Extra Battery needed ?
On-Shore Power Charging
The alternator is under the hood to charge the vehicle starter battery. An extra power cable could be connected to charge the added battery as well.
Both alternator and battery size should be carefully calculated.
On-Shore Power Charging
Inverter(12V DC to 110V AC)
On-Shore Power Charging
The on-shore power connector is used to both provide a power supply and charge the battery system. A110V AC to 12 DC Converter is used for charging.
Solar Panel Charging
Inverter(12V DC to 110V AC)
Inverter(12V DC to 110V AC)
Solar panels together with a solar charging controller called MPPT(Maximum Power Point Tracking) should be mounted to provide constant solar charging as well.
Inverter(12V DC to 110V AC)
Inverter(12V DC to 110V AC)
Inverter(12V DC to 110V AC)
Battery stores and outputs power in DC mode. To get a 110V AC power supply when on-shore power is not available, an Inverter is needed.