REDARC BCDC1220
Last updated: 31 October 2026
Battery and charging
- Maximum charge voltage
- 15.3V
- What it draws on standby
- <5mA
- Rated output power
- 148W (12V vehicle) / 294W (24V vehicle)
- Output current
- 20A
- Charger output voltage
- 12V DC
- Charger output current
- 11A (12V vehicle) / 20A (24V vehicle)
- Charger mains input
- 9 - 32V
- Charge method
- Multi Stage
- Battery types supported by the charger
- AGM, Gel, Standard Lead Acid, Calcium
Row from the maker’s page: “Max. Charging Voltage” | “15.3V”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Standby Current” | “<5mA”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Nominal Output Power” | “148W (12V vehicle) / 294W (24V vehicle)”
Source: redarcelectronics.com/au/smart-start-bcdc
“The REDARC BCDC1220, a 12V 20A under bonnet, multi-stage, DC to DC battery charger.”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Output Voltage” | “12V DC”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Max. Rated Output Current” | “11A (12V vehicle) / 20A (24V vehicle)”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Input Voltage” | “9 - 32V”
Source: redarcelectronics.com/au/smart-start-bcdc
“Multi Stage DC to DC Battery Charger”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Battery Chemistry” | “AGM, Gel, Standard Lead Acid, Calcium, Not suitable for Lithium (LiFePO4)”
Source: redarcelectronics.com/au/smart-start-bcdc
Battery care and safety
- Permitted charger
- Not suitable for Lithium (LiFePO4)
- Operating temperature range
- -20°C to 80°C
Row from the maker’s page: “Battery Chemistry” | “AGM, Gel, Standard Lead Acid, Calcium, Not suitable for Lithium (LiFePO4)”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Operating Temperature” | “-20°C to 80°C”
Source: redarcelectronics.com/au/smart-start-bcdc
Size and fit
- Width
- 120 mm
- Height
- 37 mm
- Stated weight
- 450 g
- Connector on the battery
- Bare wire
Row from the maker’s page: “width” | “120 mm”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “height” | “37 mm”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Weight” | “450 g”
Source: redarcelectronics.com/au/smart-start-bcdc
Row from the maker’s page: “Connector Type” | “Bare wire”
Source: redarcelectronics.com/au/smart-start-bcdc
Identity
- Model code
- BCDC1220
“The REDARC BCDC1220, a 12V 20A under bonnet, multi-stage, DC to DC battery charger.”
Source: redarcelectronics.com/au/smart-start-bcdc
Sources
- 20A In-Vehicle DC Battery Charger - REDARCArchived document
Source: redarcelectronics.com/au/smart-start-bcdc
Retrieved October 18, 2026