PROBOOST25 Battery Charger
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Description
25A lithium DC–DC charger with solar input
 KEY FEATURES
- In vehicle multi-stage DC-DC charger
- Dual input MPPT solar/aux (alternator)
- Multi battery chemistry selector
- Suitable for modern smart alternators
- IP66 rating – resistant to dust, water and shock damage
- Maintains a 100% state of charge of auxiliary batteries
- Suitable for under-bonnet installation
- BMPRO signature durability and ease of use
*The ProBoost is designed to work as a standalone product.
If you want to use this with a BMPRO battery management system, such as the BatteryPlus35-II or the J35, you will need to connect it through a BC300 External Shunt.
Intelligent DC-DC chargers
BMPRO’s ProBoost25 is a DC-DC battery charger that allows you to charge a secondary battery using solar panels and/or a towing vehicle’s 12V electrical system.
The ProBoost25 blends both the solar and auxiliary inputs together, up to a maximum of 25A, to ensure there is always a consistent charge to your battery.
Compatible with both lead-acid and lithium LiFePO4 batteries, the high power density design of the ProBoost25 provides efficiency of up to 93%.
The ProBoost25 has an ultra-thin design, making it suitable for installation in small spaces, and is resilient to shaking, as well as wet, dusty or muddy environments.
A range of protective features built into the ProBoost25, such as overtemperature, overvoltage and undervoltage protection, will guard your charging capacity.
Product Specifications
Input Voltage 9-18V DC
Solar Input Voltage 10-32V 
Maximum Input Current 27A
Input Fuse Rating 40A
Continuous Output Current 25A
Output Fuse Rating 40A
Minimum Start Voltage (Lead-Acid) 4V
Minimum Start Voltage (LiFePO4) 0V
Standby Current <15mA
Battery Chemistry STD, Gel, AGM, Calcium, LiFePO4
Operating Temperature -20°C to 80°C
IP Rating IP66
Dimensions 145mm x 130mm x 43mm
Charge Type 3-Stage
Maximum Voltage (STD) 14.4V
Maximum Voltage (Gel) 14.1V
Maximum Voltage (AGM) 14.7V
Maximum Voltage (Calcium) 15.3V
Maximum Voltage (LiFePO4) 14.5V
Float Voltage (STD) 13.4V
Float Voltage (Gel) 13.5V
Float Voltage (AGM) 13.4V
Float Voltage (Calcium) 13.6V
Float Voltage (LiFePO4) 13.6V
Turn On Input (Standard Alternator) >13.1V
Turn On Input (Smart Alternator) >12.0V
Turn Off Input (Standard Alternator) <12.8V
Turn Off Input (Smart Alternator) <11.8V