An MPPT controller maximises the efficiency of the solar panel to allow the most current into the battery despite the battery’s actual voltage. Charge controllers are sized by both the maximum input voltage they can handle from the solar panels and the maximum output amps they can produce to charge your battery. eval(ez_write_tag([[300,250],'caravanhelper_co_uk-large-mobile-banner-1','ezslot_12',122,'0','0']));Consisting of just the caravan solar panel and an attached 5 meters of special solar cable, this model will need an additional solar charge controller or regulator to charge your battery. That panel is rated at 100 watts at peak efficiency – meaning on a 78 degree cloudless day at solar noon on the equator during the equinox. For parallel circuits, if one panel experiences a fault, the others will continue to supply power. Customers of the Eco-Worthy panel have some great feedback on its ability to work well. £89.99£89.99. So if you have 2 x 100w solar panels, buy at least a 20 amp controller. For a full breakdown of the detail, comparisons and even an interactive calculator for mixed panels, check out our complete guide to wiring your solar panels in series or parallel. Converting a campervan into the perfect home on wheels takes time, money and a great design. We recommend an MPPT controller for anyone living or travelling in a campervan full-time. In reality, your location and time of year will play a big part in how many hours per day you can expect to get that amount of illumination hitting your panels. When looking at the volts of the charge controller, you need to make sure it can handle the voltage output by the panels. We’ll avoid going into the semantics of batteries here. As we recommended with fitting it to the roof, we also recommend that you seek the help of a professional to connect the solar panels up safely to your battery. Make a note of the open-circuit voltage. This is a high-performance 100W solar panel and is aimed at caravans, working to offer high yield even in the most adverse of weather conditions. Additionally, solar panels wired in series all depend on each other. It’s easier to change the external fuse than opening up the charge controller. If you add a 150w panel rated at 12.5 amps, that panel will only provide 5 amps too, so reducing the maximum output to about 60 watts for that panel. CaravanHelper.co.uk is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to amazon(.com, .co.uk, .ca etc) and any other website that may be affiliated with Amazon Service LLC Associates Program. Our ebook has been replaced by new and updated content, no email necessary. Camper van solar panels built into your campervan electrical design will provide free energy and keep you out of town for longer. Because they’re designed for outdoor use, they’ll stand up to hail, snow and rain. This is a 100w solar charting kit with high-performance monocrystalline panels. So the panel is outputting 5.6 amps and the battery is sitting at 12v and charging. There are 3 main types of solar panels available for campervans/motorhomes. If you’re just learning about electrics for your campervan, it’s the place to start. More and more people are turning to living in a van full time. The more efficient the panels, the more expensive they are. Each panel is made up of a bunch of photovoltaic cells. To make a campervan better equipped for time off grid, you need a power source to keep the fridge chilling, charge your camera batteries and run your water pump. Despite being the most expensive, we recommend you fit monocrystalline panels from a well known manufacturer. So solar panels produce electricity with inconsistent voltage. Another user loved the USB ports which made it easy to charge their phones. These panels are both an excellent choice for your campervan solar installation. Learn how your comment data is processed. To take account of the low light levels in winter you may need a 20W panel or more. They have a crazy high price tag though so until the technology becomes more popular and prices fall, Gel and AGM batteries are good value. This post is part of our series on campervan electrical components. You need to make sure that the regulator features a blocking diode which stops the power running back to your solar panels at night time. More buying choices. Some of the better known brands include Renogy, EPever, Midnite and Victron Energy. Campervan travel and overlanding is becoming increasingly popular, whether for short term road trips or long term adventures. We suggest at least doubling the number the calculation gives you unless you plan to spend most of your van life in the full sun of summer. Drastically. 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