Sterlings new high-efficiency Pro Batt Waterproof (IP68 rated) DC to DC Battery Chargers are made of an aluminium frame, a water-resistant (IP55) fan and a waterproof board to provide full powered operation before thermal regulation. The sealed unit comes with pre-wired cable (1.5 long) with 8mm ring terminals for easy installation.


  • Complete lithium compatibility, including current limiting and low-temperature trip
  • 7 Preset battery types, plus a customisable charge profile
  • Custom voltage engagement settings, and an ignition feed
  • Simple to use buttons for configuration

Generic wiring of Sterling BBW DC to DC Charger


Input Voltage (V DC) 11-20V
Output Voltage (V DC) 24V
Solar input voltage (V DC) n/a
Max Solar Harvest n/a
Input Current (A)  30A
Battery types (all models) AGM | GEL | SEALED | OPEN | LiFePO4 (2) | CALCIUM | CUSTOM
IP Rating IP68
Ignition Protected Yes
Quiescent Current (mA) 1mA
Battery Connector 1.5m cable / Pre-wired / Pre-fused / 8mm ring terminal
Weight (Kg) 4
Dimensions (LxWxD) mm 141 x 238 x 90


Model # BBW122430
Brand Sterling Power
Shipping Weight 4.0000kg
Shipping Width 0.150m
Shipping Height 0.150m
Shipping Length 0.250m
Shipping Cubic 0.005625000m3

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