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ELECTRICAL SYSTEMS
BATTERIES
Were fitting 3 x 24v, 200Ah lithium batteries with the option of a fourth. This will supply us with all the off grid power we should require, especially powering the inverters.
INVERTER CHARGER
We've gone for 2 x 24v, 5000VA inverter/chargers. This not only give us mains power to supply everything we need but also gives us redundancy should one fail.
DC DISTRIBUTION
Even though we are using a 24v system, the current involved are still massive so we went with Lynx Distributors (1000A rated) for all our main DC distribution needs. These have four fused outlets and can be linked the BMS system.
BMS
With all this power being thrown around, we've gone for the smart BMS to monitor our power usage. This will feed back to the Victron display.
SOLAR CONTROLLERS
We are using 3 x MPPT solar controllers, that way our solar panels will be configured into three arrays, giving us maximum efficiency. 2 x 150/35 MPPT's for the main roof panels, 1 x 100/20 MPPT for the panels over the rear lift.
DISPLAY
We've gone for the GX70 which will display what's going on with our electrical system as well as all our fluid levels - fresh & waste water.
CERBO GX
The brains behind the system, all the information feeds into this little box which then sends it the the GX70 screen in a language that we can understand.
DC - DC CONVERTERS
Due to us running on a 24v system, mainly to keep cable sizes down, certain devices require 12v so we are using 2 x 24-12v 70A converters, one for the habitation box & one in the cab.
DC-DC CONVERTER 24-24V
We've gone for the Buck Boost 24-24v DC-DC converter to link the vehicle batteries to the habitation batteries allowing charging of the habitation batteries when the vehicle batteries are full.
BATTERY PROTECT
We have 2 of these fitted to all non essential loads such as lights, usb chargers, etc. These basically turn off the power when the voltage gets pre set low voltage, prioritising power for essential loads.
MULTIVOLTAGE CHARGER
We never thought about charging with different voltages until Chris at BSPK mentioned it. The Skylla will accept voltages between 90-265v AC and frequencies 45-65Hz, meaning we can accept main power in most countries.
SOLAR PANELS
Tiger Exped panels were the order of the day, these were not our first choice due to cost, but we soon realised that we had limited space due to skylights, AC etc. These panels have a high open circuit voltage meaning more power generation.
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