Maintain your trailer battery at full charge while driving, eliminating unnecessary idling and reducing reliance on shore power. This integrated charging system combines a DC-DC charger, MPPT solar regulator, and smart battery isolator in a compact design.

The input current limit allows direct connection through your trailer’s 7-way plug to your vehicle’s existing wiring. Ideal for enclosed trailers including travel trailers, horse trailers, and service vehicles.

• 12 Amp tow vehicle to trailer charger
• 40 Amp MPPT solar regulator for off-grid power
• 3-stage charging for multiple battery types
• Supports AGM, calcium, lead-acid, gel, and lithium-iron phosphate batteries
• Smart isolator prevents accidental discharge of tow vehicle battery
• Compact size: 6.5″ L x 4.7″ W x 1.5″ H
• Input voltage range: 9 to 32 volts
• Output: 12 volts