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19/9/2023 at 12:11pm
Location: London
Outfit: Lunar Cosmos 524
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Fridge will draw around 125W (0.125kw), BUT should be on a thermostat so will cut in and out and not draw 125W constantly unless possibly set to coldest setting and/or ambient temp is high.
The fridge will NOT and is not intended to cool off the onboard 12v system, it only cools on 12v supplied by the tow vehicle with engine running, but does draw a little from the onboard 12v system for the control panel regardless of power source used to cool.
Unless switched off (probably not good unless frequent visits to occupy van), the battery charger will also be drawing current at varying amounts. There will be a small amount of power consumed powering the various control systems in the van, such as main control panel, heating control panel etc. The mains power converter/battery charger typically has a max draw of around 155W (0.155kW), but should draw nothing like that in an unoccupied van.
Any alarm system will draw a constant say less than 100mA, so virtually nothing.
TV aerial amplifier may or may not be switched off by control panel settings, and again draw a minimal say 55mA which can be ignored.
Microwaves fitted to caravans typically go into standby mode and draw next to no power, but a standard MW will draw around 3W (0.003kW) constantly.
Heating and water heaters sometimes have a frost protection mode whereby they will kick in to stop van/water heater dropping to freezing point.
It depends on your unit charge, but £1.40 per day could be under 2KWh/day of electricity, which fits with above usage WITHOUT heating kicking in.
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Topic: Big Electric bill
via mobile 19/9/2023 at 10:25am
