REDARC
BCDC Classic 50A DC-DC Battery Charger
BCDC Classic 50A DC-DC Battery Charger
SKU:BCDC1250D
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MANUALS & APPS
MANUALS & APPS
ā” REDARC BCDC Classic 50A DC-DC Battery Charger ā BCDC1250D
Australian-made 50A under bonnet DC-DC battery charger with dual alternator and solar input, MPPT solar regulation, Green Power Priorityā¢, Smart Start technology, SoftStart charging stage, lithium support, and 12V/24V smart alternator compatibility.
The REDARC BCDC1250D Classic 50A DC-DC Battery Charger is designed to keep large auxiliary battery banks charged while driving or when using portable solar panels while parked.
As the highest-output model in REDARCās BCDC range, the BCDC1250D delivers up to 50A charging output and is built for demanding 4WD, caravan, canopy, trailer, marine-style, and off-grid power systems. It features REDARCās Smart Start technology, a dedicated SoftStart charging stage, separate DC and solar inputs, integrated MPPT solar regulation, and Green Power Priorityā¢.
Suitable for 12V and 24V vehicle systems, including standard and variable voltage smart alternators, the BCDC1250D supports AGM, gel, standard lead acid, calcium, and LiFePO4 lithium batteries, making it a strong choice for larger touring and recreational battery systems.
ā Key Benefits
ā” 50A DC-DC Charging Output
Delivers up to 50A maximum rated output current, making it the most powerful charger in REDARCās BCDC range.
š 12V & 24V Vehicle Compatible
Suitable for both 12V and 24V vehicle systems.
š Designed for Larger Battery Banks
Typically used for battery bank sizes over 200Ah.
š§ Smart Start Technology
Features REDARC Smart Start technology for modern vehicle charging systems.
š SoftStart Charging Stage
Includes an additional SoftStart charging stage designed for more demanding applications.
āļø Built-In MPPT Solar Regulator
Integrated Maximum Power Point Tracking solar regulator helps maximise solar charging performance.
š± Green Power Priorityā¢
Prioritises solar charging where available, reducing load on the alternator.
š Separate DC & Solar Inputs
Allows alternator and solar charging inputs to be connected separately.
š Simultaneous DC & Solar Charging
Charges from both alternator and solar inputs with Green Power Priorityā¢.
š Smart Alternator Compatible
Suitable for standard and variable voltage smart alternators.
š”ļø Under Bonnet Rated
Built to handle heat, water, dust, and vibration in harsh vehicle environments.
š¦šŗ Designed, Built & Tested in Australia
Developed for Australian conditions, including extreme heat, corrugations, dust, and water crossings.
š Suitable Applications
š 4WD dual battery systems
š Under bonnet auxiliary battery charging
š Caravan and RV charging systems
š» Ute canopy power systems
šļø Camper trailer electrical setups
š Work vehicles and service bodies
āµ Marine-style installations
āļø Portable solar charging systems
š Larger lithium and lead acid auxiliary battery banks
šļø Remote touring and off-grid travel
āļø Dual Input Charging with Solar
The BCDC1250D can charge from vehicle input and solar input, helping maintain auxiliary battery charge while driving or parked.
| Charging Feature | Details |
|---|---|
| DC Input | Alternator / vehicle charging input |
| Solar Input | Separate solar charging input |
| Solar Input Voltage | 9V to 32V |
| Solar Switch-On Voltage | 9V |
| MPPT Solar Regulator | Yes |
| Green Power Priority⢠| Yes |
| Simultaneous Charging | DC and solar charging supported |
š Battery Compatibility
The BCDC1250D supports common auxiliary battery chemistries, including lithium.
| Battery Type | Supported |
|---|---|
| Standard Lead Acid | Yes |
| Calcium | Yes |
| Gel | Yes |
| AGM | Yes |
| Lithium LiFePO4 | Yes |
As a guide, the BCDC1250D is typically used for battery bank sizes over 200Ah. For smaller battery systems from 75Ah to 200Ah, REDARC recommends the BCDC1225D.
Always check the battery manufacturerās recommended maximum charge current before installation.
š§ Smart Charging Performance
| Charging Feature | Details |
|---|---|
| Continuous Rating | 50A |
| Maximum Rated Output Current | 50A |
| Nominal Output Power | 750W |
| Output Voltage | 12V DC |
| Maximum Charging Voltage | 15.3V |
| Battery Profiles | Standard Lead Acid, Calcium, Gel, AGM, LiFePO4 |
| Additional Charging Stage | SoftStart |
| Charging Goal | Designed to charge auxiliary batteries to 100% state of charge |
Large capacity battery banks may require a few charge cycles to fully charge.
š”ļø Proven Under Bonnet Construction
The REDARC BCDC1250D is designed for harsh vehicle environments.
| Build Feature | Details |
|---|---|
| Engine Bay Install | Yes |
| Cabin / Canopy Install | Yes |
| Trailer Install | Yes |
| Operating Temperature | -20°C to +80°C |
| Environmental Resistance | Designed for heat, water, dust, and vibration |
| No Load Current | <100mA |
| Standby Current | <8mA |
š Installation Details
| Installation Feature | Details |
|---|---|
| Connector Type | Bare wire |
| Input Fuse Rating | 60A, not supplied |
| Output Fuse Rating | 60A, not supplied |
| Suitable for 12V Systems | Yes |
| Suitable for 24V Systems | Yes |
| Smart Alternator Support | Yes |
š Technical Specifications
| Specification | Details |
|---|---|
| Product | REDARC BCDC Classic 50A DC-DC Battery Charger |
| Model | BCDC1250D |
| Power Type | DC to DC |
| Battery Chemistry | Standard Lead Acid, Calcium, Gel, AGM, LiFePO4 |
| Continuous Rating | 50A |
| Input Voltage | 9V to 32V |
| Output Voltage | 12V DC |
| Maximum Charging Voltage | 15.3V |
| Maximum Rated Output Current | 50A |
| Nominal Output Power | 750W |
| Solar Input Voltage | 9V to 32V |
| Solar Switch-On Voltage | 9V |
| MPPT Solar Regulator | Yes |
| No Load Current | <100mA |
| Standby Current | <8mA |
| Input Fuse Rating | 60A, not supplied |
| Output Fuse Rating | 60A, not supplied |
| Connector Type | Bare wire |
| Operating Temperature | -20°C to +80°C |
š Dimensions & Weight
| Measurement | Details |
|---|---|
| Length | 165mm |
| Width | 120mm |
| Height | 37mm |
| Weight | 1kg |
ā ļø Fitment & Installation Note
Please confirm your required battery chemistry, battery capacity, vehicle voltage, alternator type, solar input requirements, cable sizing, fuse protection, mounting location, ventilation, and charger current compatibility before purchase or installation.
Important:
ā
Suitable for 12V and 24V vehicle systems
ā
Suitable for standard and variable voltage smart alternators
ā
50A DC-DC charging output
ā
Separate DC and solar charging inputs
ā
Built-in MPPT solar regulator
ā
Green Power Priorityā¢
ā
Smart Start technology
ā
SoftStart charging stage
ā
Suitable for AGM, gel, standard lead acid, calcium, and LiFePO4 batteries
ā
Suitable for engine bay, cabin, canopy, and trailer installations
ā
Typically used for battery banks over 200Ah
ā
Input and output fuses are required but not supplied
ā Do not exceed the battery manufacturerās recommended maximum charge current
ā For smaller batteries, a lower-output charger may be more suitable
ā Professional installation is recommended for vehicle, marine, trailer, and auxiliary power systems
š Why Choose the REDARC BCDC1250D Classic 50A?
The REDARC BCDC1250D Classic 50A DC-DC Battery Charger is designed for users who need REDARCās highest-output BCDC charging solution for larger auxiliary battery systems.
With 50A charging output, MPPT solar regulation, Green Power Priorityā¢, Smart Start technology, SoftStart charging, lithium compatibility, 12V/24V vehicle support, smart alternator compatibility, and Australian-built durability, it is a dependable choice for high-demand 4WD, caravan, camper, canopy, trailer, and remote touring power systems.
š¦ Whatās Included
ā” 1 x REDARC BCDC1250D Classic 50A DC-DC Battery Charger
š Order with Confidence
Choose the REDARC BCDC1250D Classic 50A DC-DC Battery Charger for high-output auxiliary battery charging, solar integration, lithium-ready performance, smart alternator compatibility, and proven REDARC durability in harsh Australian conditions.
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