The BMPRO Pro Boost25 is a versatile DC to DC battery charger that supplies power from either solar panels or your vehicle’s 12-volt system to charge a secondary battery. The dual-input design intelligently blends both sources up to a maximum of 25 amperes, ensuring continuous charge delivery to auxiliary batteries.

Engineered for durability and reliability, this ultra-slim unit fits into tight installation spaces and withstands the rigours of RV life—shaking, dust, moisture, and mud. Multiple protective circuits guard against over-temperature, overvoltage, and under-voltage conditions.

• Rated for 25 amp charging current
• Compatible with AGM, flooded lead-acid, and LiFePO4 batteries
• Output voltage: 12 volts
• Input voltage range: 9 to 18 volts
• Three-stage charging for battery longevity
• IP66 dust and water resistance rating
• Dimensions: 7.2 x 5 x 7 inches
• Maintains 100 percent state of charge in auxiliary batteries