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Design a 12Volt System in 3 Steps


Posted by alistair on 27 Mar 2017 / 6 Comments



Designing a 12Volt system Where to start? Well we start by deciding what sort of 12Volt stuff we’d like to have. It doesn’t matter if it’s an off-grid cottage somewhere, or a small camper-trailer – the process starts off with that same key question – what do I want? Without answering that question first, it’s […]

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Solar Panels: Parallel, Series, Shading & Diodes


Posted by alistair on 25 Mar 2017 / 13 Comments



 Parallel, Series, Shading and Diodes   This is a subject that repeatedly comes up in debates, we often have solar panels in parallel, and adding diodes into the chat seems to fuel the confusion as well. And aren’t blocking diodes built into all solar panels these days anyway? Or is it in the regulators? And […]

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12Volt Equipment

How Much Power Does 12Volt Stuff Use?


Posted by alistair on 18 Feb 2017 / 64 Comments



12Volt Devices There are so many new 12Volt appliances and devices that are regularly added to our range of choices that it’s hard to keep up sometimes. This list will therefore remain a moving feast, and I’ll update it as new 12Volt stuff becomes available. The current draw (in Amps) of 12Volt devices will typically […]

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How to Avoid Volt-Drop in 12Volt Cables


Posted by alistair on 08 Dec 2016 / 22 Comments



Cables and Volt-Drop A cable is such a simple thing – so what could possibly go wrong… go wrong… go wrong… After all we’re just connecting power to our 12Volt stuff – it’s two wires, one positive, one negative, pretty simple really. Well it is and it isn’t. DC Systems It’s certainly true that in […]

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12Volt Equipment

A Guide to Electrical Basics


Posted by alistair on 07 Dec 2016 / 6 Comments



Electrical Basics Volts, Amps, Watts and all those other things This information is on a need-to-know basis, and if you plan on getting the best out of your 12Volt stuff – you need to know! Fortunately the 12Volt equipment that we use for camping and caravanning is DC (Direct Current) and that simplifies things a […]

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