Power your adventures with the BMPRO ProBoost40, a high-performance DC-DC battery charger designed to keep your auxiliary battery fully charged wherever your journey takes you. Combining input from both your vehicle’s alternator and solar panels, the ProBoost40 ensures a consistent and efficient charge, even in demanding off-grid conditions. 

With a maximum output of 40 amps, this intelligent charger delivers fast and reliable performance, making it ideal for caravans, camper trailers and 4WD setups. Its built-in MPPT solar regulator maximises solar efficiency, allowing you to get the most out of your solar system while maintaining optimal battery health. 

The ProBoost40 is compatible with a wide range of battery types, including AGM, gel, calcium and LiFePO4 lithium batteries. A user-selectable charging profile ensures each battery type is charged correctly, helping extend battery life and improve overall system performance. 

Built for tough Australian conditions, the ProBoost40 features a durable, compact design that is resistant to dust, water, vibration and extreme temperatures. Its ultra-thin form factor allows for flexible installation, including under-bonnet mounting or tight spaces within your setup.

Advanced safety features including overvoltage, undervoltage, overtemperature and reverse polarity protection provide added peace of mind, ensuring your power system remains protected at all times.

FEATURES

• 40A DC-DC charging output for fast, efficient performance
• Dual input charging from solar panels and vehicle alternator
• Built-in MPPT solar regulator for maximum solar efficiency
• Compatible with lead-acid and LiFePO4 lithium batteries
• Multi-stage charging for optimal battery healthUltra-thin, compact design for flexible installation
• IP56-rated for resistance to dust and water
• Smart alternator compatible
• Built-in protection: overvoltage, undervoltage, overtemperature and reverse polarity 

SPECIFICATIONS