12V 40A DC to DC Battery Charger
12V 40A DC to DC Battery Charger
A Renogy DC-DC charger for charging a compatible 12V leisure battery from a 12V vehicle electrical system. Choose the 40A or 20A version and whether to include a BT-2 Bluetooth module.
- 40A option: maximum charging output 40A.
- 20A option: maximum charging output 20A.
- Compatible with traditional and smart alternator systems when correctly installed.
- Supports AGM, gel, flooded and LiFePO4 battery profiles, with starter-battery protection and lithium activation functions.
App monitoring requires the supported Bluetooth module. Size the wiring, fuses and charging current for the selected charger and battery.
Accessories to consider
Professional installation
Professional mobile fitting is available for suitable products. Tell us the vehicle and the equipment you are considering and we can provide a fitting quotation.
Compatibility
Vehicle compatibility can vary by make, model, year and specification. If you are unsure, contact us before ordering and we can help check the application.
Need help choosing?
Send us your vehicle registration and what you want to achieve. Request a quote and we will recommend a suitable option.