Renogy DC to DC MPPT On-Board Battery Charger

Power your off-grid adventures with the Renogy DC to DC MPPT On-Board Battery Charger, a versatile all-in-one charging solution that combines a DC-to-DC battery charger and MPPT solar charge controller in a single compact unit. Designed for RVs, campervans, 4WDs, boats, and other mobile power systems, this intelligent charger efficiently charges your auxiliary or service battery from both your vehicle's alternator and solar panels.

Featuring advanced multi-stage charging technology, the charger optimizes charging performance while helping extend battery life. It supports multiple battery chemistries, including Lithium (LiFePO4), AGM, Gel, and Flooded batteries, making it suitable for a wide range of off-grid and mobile energy setups.

The built-in MPPT controller maximizes solar energy harvest, while smart power management ensures your starter battery remains protected and prioritized. This allows your service battery to receive efficient charging whether you're driving, parked, or relying on solar power alone.

For enhanced convenience, the charger includes an RJ45 communication port compatible with the Renogy BT-2 Bluetooth Module and Renogy DC Home App, enabling real-time monitoring, remote control, and performance tracking directly from your smartphone.

Whether you're building a complete off-grid power system or upgrading your vehicle's battery management setup, the Renogy DC to DC MPPT On-Board Battery Charger delivers reliable, efficient, and intelligent power wherever your journey takes you.