Thunderbolt 68738 500 Watt Solar Charge Controller for 12V Panels & Batteries
Model : Thunderbolt 68738. Color : Black.
Thunderbolt Magnum 500 Watt 30 Amp 12V Solar Power Charge Controller
Thunderbolt Magnum 500 Watt Solar Charge Controller, 30 Amp 12V. Designed for off-grid solar energy systems to prevent battery overcharging. Features a digital LCD display for real-time monitoring of charge status and system performance. Includes integrated heavy-duty heat sink for cooling and standard screw-down terminal connectors for solar, battery, and load. Good pre-owned condition with some surface wear from installation and use as shown in photos. Tested for basic power functions. Perfect for RVs, boats, or small cabin solar setups.