Solar Charge Controllers
Do I need a voltage controller / regulator ?
Yes, we recommend a regulator if working over our recommended minimum ratio of 10W of solar panel to 100AH battery capacity.
How do I calculate the Amp rating of the regulator needed ?
Employ the equation of Amps x Volts = Watts. Therefore an 80W solar panel charging a 12V battery should be regulated using a solar regulator rated 6.7A or more.
Do I need to fit a blocking diode ?
A Blocking Diode is fitted to ensure the correct flow of current and should be fitted when either no regulator is used or more than one solar panel is connected in parallel. The diode fits directly into the junction box of framed solar panels. Marlec's semi-flexible ranges of SunWare & Spectra solar panels all have a built-in diode.
Part Numbers: Schottky Diode 8A 913-012 Schottky Diode Kit 5A CA-11/01
We offer following ranges of Solar Charge Controllers:
Solsum and PR Regulators![]() |
Fox Solar Regulators![]() |
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| Application |
If you are combining your solar panel with one of our Rutland Windchargers check the windcharger regulator's specification as some models include a connection to simply add photovoltaic panels too. Check the maximum power rating to ensure it can accomodate the total Watts of solar panels you would like to use.
To speak to a sales engineer to help you select the right model call +44 (0) 1536 201588 now
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| Schottky Diode Kit 5A | CA-11/01 | £4.22 | ![]() |
| Schottky Diode 8A | 913-012 | £3.04 | ![]() |









