Knowledge Base › Dc Dc Converters
Sterling Power BB1240
Official manufacturer GLOBAL verified Sept. 25, 2026
Identity
| category | dc_dc_converters |
| manufacturer | Sterling Power |
| model | BB1240 |
| region | GLOBAL |
| variant | — |
Electrical
| bidirectional |
True
Sterling Power Saturn / BB collated manual
|
| cooling |
Thermostatically Controlled Variable low speed fan
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| efficiency_percent |
95-98%
Sterling Power Saturn / BB collated manual
|
| input_current_max_a |
42
Sterling Power Saturn / BB collated manual
|
| input_voltage_max_v |
16
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| input_voltage_min_v |
9
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| input_voltage_range |
9V-16V
Sterling Power Saturn / BB collated manual
|
| input_voltage_ranges_v |
[[9, 16]]
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| max_efficiency_percent |
98
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| official_product_url |
https://sterling-power.com/products/12v-to-12v-120a-dc-to-dc-charger-bb12120
Saturn 12V to 12V DC to DC charger range — inventory record source_url
|
| output_current_a |
38
Sterling Power Saturn / BB collated manual
|
| output_voltage_at_rated_output_v |
14.41
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| output_voltage_v |
14.41
Sterling Power Saturn / BB collated manual
|
| rated_power_w |
550
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
Physical / mechanical
| depth_mm |
56
Sterling Power Saturn / BB collated manual
|
| dimensions_mm |
163*130*56
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| length_mm |
163
Sterling Power Saturn / BB collated manual
|
| weight_kg |
0.8
Sterling Power Saturn / BB collated manual
|
| width_mm |
130
Sterling Power Saturn / BB collated manual
|
Environment
| operating_temperature_max_c |
60
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
| operating_temperature_min_c |
-20
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
Protection
| protections |
self-recovering under voltage, input OVP, output OVP, over current, charge over temperature
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
Certifications
| certifications |
['CE', 'UKCA']
Sterling Power Saturn / battery-to-battery charger collated instruction manual
|
Documents
installation_manual
BB1240 manual
installation_manual
Sterling Power Saturn / BB collated manual
product_page
Saturn 12V to 12V DC to DC charger range
product_page
Sterling Power BB1240 product page
user_manual
Sterling Power BB1240 manual
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | UK manufacturer (sterling-power.com). These are DC-input/DC-output products with a single published specification, not market-specific electrical variants. |