Product Manual

ABOUT THE MINIBOOSTPRO
BMPRO’s MiniBoostPRO is a multi-stage DC-to-DC battery charger, that
enables charging a secondary battery from solar panels and / or the towing
vehicle’s 12V electrical system.
Blending both the solar and auxiliary inputs, the MiniBoostPRO provides a
combined maximum charging current of 30A, with a preference to solar for
charging your secondary battery.
When charging, the MiniBoostPRO continually monitors primary, secondary
battery and solar voltage.
TERMINOLOGY
Secondary battery refers to either an auxiliary battery installed in the motor
vehicle or a house battery installed in the RV.
Primary battery refers to a cranking battery in the motor vehicle. Connected
to the alternator, it is commonly referred to as an auxiliary input.
Bypass mode is the mode where the primary / input AUX source of power is
at the higher voltage than the secondary / output battery.
Boost mode is the mode where the voltage of the primary battery input
source is less than the secondary / output battery.
ADDITIONAL ACCESSORIES REQUIRED FOR INSTALLATION
The following accessories (not supplied) are required to complete
installation of the MiniBoostPRO:
 9 2x 40A Automotive Fuse
 9 2x 2A Automotive Fuse
COMPATIBLE BATTERY TYPES
The MiniBoostPRO may be used to charge 12V batteries with capacities of
50-300AH and of the following chemistries: AGM/Wet, Gel and LiFePO4
(Lithium).
Do not connect other types of Lithium batteries to the MiniBoostPRO.
Do not connect batteries with capacity less than 50Ah.
WARNING
8