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Battery Charging and Monitoring

AC to DC to charge your battery from shore power?   DC to DC chargers to charge directly from your vehicle

Battery Charging and Monitoring
4thD Solar with Merlin Solar Grid Battery Monitor

4thD Solar with Merlin Solar Grid Solar Charger, Genasun, Victron, Bluesky

Solar Charge Controllers

We have tested over a dozen of the leading MPPT solar controllers on the market.  We only offer the ones that perform the best.

Solar Controllers

Inverters

Do you need AC power?  If so then you need an inverter.  It will take 12,V,  24V, or 48 DC and invert it to 120V or 240V AC.

Inverters
4thD Solar Panels with Magnum Inverters

4thD Solar, wiring, connectors, harnesses, kits

Connectors and Wiring

Just what you need to connect up your new solar system

Connectors and Wiring