Sterling Power BB1240
Last updated: 20 October 2026
What this device draws
- Rated current
- 42A at 13.68V ~575W
- Input voltage it accepts
- 9V-16V
“Continuous Rated input current 42A at 13.68V ~575W”
Source: sterling-power.com/products/12v-to-12v-120a-dc-to-dc-charger-bb12120
“Input voltage range 9V-16V”
Source: sterling-power.com/products/12v-to-12v-120a-dc-to-dc-charger-bb12120
Battery and charging
- Output current
- 38A at 14.41V ~550W
“Continuous Rated output power 38A at 14.41V ~550W”
Source: sterling-power.com/products/12v-to-12v-120a-dc-to-dc-charger-bb12120
Size and fit
- Overall dimensions
- 165mm x 130mm x 56mm
“Dimensions 165mm x 130mm x 56mm”
Source: sterling-power.com/products/12v-to-12v-120a-dc-to-dc-charger-bb12120
Sources
- 2025 Model 12V to 12V DC to DC Chargers 10A | 15A | 20A | 25A | 40A | – Sterling Power ProductsArchived document
Source: sterling-power.com/products/12v-to-12v-120a-dc-to-dc-charger-bb12120
Retrieved October 12, 2026