REDARC BCDC1250D – 12V 50A DC-DC charger for 4x4 and overland setups
The REDARC BCDC1250D is a high-performance DC-DC charger designed to charge your auxiliary battery while driving and from solar panels when stationary. Part of the BCDC Classic50 range, it delivers up to 50A charging current and is built to operate reliably in harsh environments, including under bonnet installations.
What is it designed for?
This charger is ideal for 4x4 vehicles, overland builds, campervans, caravans and touring setups where reliable auxiliary battery charging is essential. It ensures stable power supply for onboard accessories and maintains battery health during long trips and off-grid use.
Key features
- 50A charging output – suitable for demanding dual battery systems.
- Dual input – charges from alternator and solar panels.
- MPPT solar regulator – maximizes solar efficiency.
- Green Power Priority – prioritizes solar input over alternator.
- SoftStart charging – optimized charging profile for better battery care.
- Under bonnet installation – built for engine bay conditions.
- Compatible with smart alternators – works with modern vehicle systems.
Compatibility and applications
The REDARC BCDC1250D is suitable for 12V and 24V vehicle systems with a 12V DC output. It supports a wide range of battery types commonly used in automotive and off-grid setups:
- AGM
- GEL
- Standard lead-acid
- Calcium
- LiFePO4
The manufacturer recommends this model for battery banks above 200Ah. Always verify compatibility with your specific setup.
Technical specifications
| Brand | REDARC |
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| Model | BCDC Classic50 12V 50A DC Battery Charger |
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| Part number | BCDC1250D |
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| Product type | DC-DC charger |
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| Output voltage | 12V DC |
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| Max output current | 50A |
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| Nominal power | 750W |
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| Input voltage range | 9–32V |
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| Solar input voltage | 9–32V |
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| Solar start voltage | 9V |
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| Max charge voltage | 15.3V |
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| MPPT | Yes |
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| 12V systems | Yes |
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| 24V systems | Yes |
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| Under bonnet mounting | Yes |
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| Cabin / canopy mounting | Yes |
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| Trailer mounting | Yes |
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| Input fuse | 60A (not included) |
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| Output fuse | 60A (not included) |
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| Operating temperature | -20°C to 80°C |
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| Connection type | Hardwired |
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| Dimensions | 165 x 120 x 37 mm |
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| Weight | 1 kg |
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| Warranty | 2 years |
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| EAN | 9338628004690 |
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Installation notes
Additional installation components may be required. The manufacturer recommends 60A fuses, which are not included. Depending on your setup, extra wiring and mounting accessories may be needed.
Why choose this charger?
The BCDC1250D is built for users who need reliable, high-output charging in demanding off-road conditions. With combined alternator and solar charging plus MPPT efficiency, it ensures consistent performance both on the move and off-grid.
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Delivery policy
Return policy
