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Sterling Pro Batt Ultra Battery to Battery charger. Drip resistant 12 volt, 70 amp input, 24 volt output. Incl VAT.

Product Brand : Sterling Power
MPN:  BB122470
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4 stage battery charging.  The B2B charges batteries between 5 - 20 times faster than a standalone alternator.

Very simple to install.  No electronic control unit (ECU) issues.  No complex wiring and no warranty issues with engine installation.  Connects between the battery receiving the alternator output (normally the starting battery) and the service batteies or auxilliary battery bank.

9 preset battery chemistry options.  Including AGM, LiFePO4, GEL, flooded and sealed lead acid.

Customizable profile.  Choose your own charging profile on the front panel

B2B turns on at 13.3V and off at 13.0V input (x 2 for 24 volts), so as not to drain the input battery.

Output charging at 12, 24, 36 and 48 volts.

Input voltages, 12 and 24 volts, up to 800 watt rating