Description
PowerFilm (RA-9)
If you are charging a small SLA battery from a solar panel of 10-90 Watts, then this accessory is a good idea. The PowerFilm solar panels operate at a nominal 15.4V, and are therefore NOT prone to overcharging larger batteries (100 amp-hours & larger).
Be sure to use a charge controller like this one with panels of 30-90 Watts.
This is, of course, the popular Morningstar SunGuard solar charge controller.
If you’d like to have the controller without the Powerfilm connectors, it is available here.
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