Camperise
REDARC BCDC1225D DC-DC Dual Battery Charger Kit (6B&S Cable, Fuses, Gauge)
REDARC BCDC1225D DC-DC Dual Battery Charger Kit (6B&S Cable, Fuses, Gauge)
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The REDARC BCDC1225D is a 12V/24V DC-to-DC battery charger rated for 25 ampere output that charges auxiliary batteries from vehicle alternator and solar panel inputs simultaneously. This unit features Maximum Power Point Tracking (MPPT) solar regulation, Green Power Priority technology, smart alternator compatibility via ignition sensing, and multi-stage charging profiles compatible with AGM, gel, calcium, lithium (LiFePO4), and standard lead-acid battery types. The complete installation kit includes the charger unit, dual battery voltage gauge with red/green display, 6 B&S gauge cables, MIDI fuses, and connection hardware.
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- 25 ampere maximum charging output from dual input sources
- Maximum Power Point Tracking (MPPT) solar regulator integrated
- Green Power Priority technology prioritizes solar over alternator charging
- Compatible with 12V and 24V vehicle electrical systems
- Smart alternator compatible via blue wire ignition sensing connection
- Four charging profiles selectable via orange wire configuration
- Profile A: 14.6V maximum (AGM/Gel batteries, orange wire disconnected)
- Profile B: 15.0V maximum (Standard lead-acid, orange wire to ground)
- Profile C: 15.1V maximum (Calcium batteries, orange wire to input positive)
- Lithium (LiFePO4): 14.6V maximum (orange wire to green LED wire)
- Simultaneous DC and solar input charging capability
- Blue wire ignition connection enables smart alternator mode for post-2010 vehicles
- Single LED with flash sequence indicates charging stage and profile status
- Operating temperature range: -40°C to +80°C
- Australian design and manufacturing with AS/NZS certification
Input Parameters
- DC input voltage range: 9V-32V (suitable for 12V and 24V systems)
- Solar input voltage range: 9V-32V
- MPPT solar voltage range: Variable based on panel configuration
- Ignition sense input: Blue wire connection for smart alternator mode
Output Parameters
- Maximum charging current: 25A continuous
- Maximum output power: 375W
- Profile A output: 14.6V maximum / 13.3V float (AGM/Gel)
- Profile B output: 15.0V maximum / 13.3V float (Standard lead-acid)
- Profile C output: 15.1V maximum / 13.3V float (Calcium)
- Lithium output: 14.6V maximum (no float stage)
Physical Specifications
- Dimensions: 165mm (L) × 120mm (W) × 37mm (H)
- Weight: 850g (charger unit only)
- Mounting orientation: Horizontal or vertical
- Terminal type: Screw terminals with wire gauge markings
Wire Configuration
- Red wire: Input positive (from start battery or alternator)
- Black wire: Input negative (chassis ground)
- Orange wire: Battery profile selector
- Blue wire: Smart alternator ignition sense
- Green wire: LED output (for lithium profile configuration)
- Yellow/White wires: Output positive/negative to auxiliary battery
Environmental & Protection
- Operating temperature: -40°C to +80°C
- Sealed enclosure against dust, water, and vibration ingress
- Reverse polarity protection: Built-in
- Overvoltage protection: 32V cutoff
- Short circuit protection: Automatic shutdown
- Automatic input source detection (alternator or solar priority)
- Green Power Priority reduces alternator load when solar available
- Single LED status indicator with flash sequences shows active charging stage
- Profile A/B/C/Li indication via LED pattern recognition
- Vibration-resistant construction for off-road conditions
- Conformal coating protects PCB from humidity and corrosion
- Color-coded wire configuration reduces installation errors
- Reverse polarity protection prevents damage from incorrect wiring
- Overvoltage protection with 32V input cutoff threshold
- Short circuit protection with automatic shutdown and recovery
- Thermal overload protection with automatic current reduction
- Input transient voltage suppression for alternator load dump events
- Output overcurrent limiting protects connected battery
- Sealed enclosure prevents dust, water, and vibration damage
- 25A continuous charging current to auxiliary battery
- 375W maximum power output capacity
- Three-stage charging: Bulk / Absorption / Float (for lead-acid chemistries)
- Lithium profile: Two-stage charging (Bulk / Absorption, no float)
- Automatic stage transition based on battery voltage and time
- Float voltage maintains battery without overcharging during storage
- LED flash sequence indicates current charging stage (solid/flash patterns)
Vehicle Types
- 4WD and off-road vehicles with auxiliary battery systems (pre-2010 and post-2010 models)
- Modern vehicles with smart alternators (Ford Ranger, Toyota HiLux, Isuzu D-Max post-2010)
- Classic vehicles with standard alternators (older LandCruiser, Patrol models)
- Caravans and motorhomes requiring dual battery management
- Marine vessels with house battery configurations
- Commercial vehicles with extended electrical accessories
- Agricultural and mining equipment with 12V or 24V systems
Battery Compatibility
- Lithium Iron Phosphate (LiFePO4) batteries (50Ah-120Ah typical)
- AGM deep cycle batteries
- Gel cell batteries
- Calcium content batteries
- Standard flooded lead-acid batteries
Power Source Integration
- Standard vehicle alternators (12V or 24V systems)
- Variable voltage smart alternators (Euro 5/6 compliant vehicles)
- Solar panel arrays up to 375W combined with alternator input
- Hybrid alternator plus solar charging configurations
- Australian Standards AS/NZS CISPR11:2004 compliance
- CE marking for European safety standards
- C-Tick electromagnetic compatibility certification
- RCM (Regulatory Compliance Mark) certified for Australia/New Zealand
- Independently tested and verified charging performance
- Sealed construction tested for dust, water, and vibration resistance in Australian outback conditions
- Dual voltage gauge with red and green LED displays for simultaneous monitoring
- Flush mount design suitable for horizontal or vertical orientation
- Real-time voltage monitoring for both start and auxiliary batteries
- Separate digital displays for primary and secondary battery banks
- Pre-wired harness for gauge connection to battery terminals
- Installation template for precise gauge mounting cutout
- REDARC BCDC1225D 25A DC-to-DC battery charger unit (latest D version)
- Dual battery voltage gauge with red/green display
- 5m 6 B&S gauge positive cable (135A rating)
- 2m 6 B&S gauge negative cable (135A rating)
- 2× MIDI 40A fuse and holder assemblies
- 4× blue spade terminals
- 4× mounting screws
- Installation manual with wiring diagrams
- Battery profile and alternator configuration guide
- 5 meters of 6 B&S gauge (13.3mm²) single core positive cable (red) rated 135A
- 2 meters of 6 B&S gauge (13.3mm²) single core negative cable (black) rated 135A
- 2× MIDI 40A fuse with holder kits for overcurrent protection
- 4× blue spade terminals for wire connections
- 4× mounting screws for gauge and charger installation
- Cable termination hardware and installation accessories
- 2-year nationwide manufacturer warranty from date of purchase
- Covers manufacturing defects and component failures under normal use
- Warranty void if unit tampered with or incorrectly installed
- Australian consumer law rights apply (ACL statutory guarantees)
- Warranty claim requires proof of purchase and serial number verification
- Return to authorized REDARC service center for warranty assessment
- Contact seller support available for installation guidance and vehicle compatibility questions
- Compatible with 12V and 24V vehicle electrical systems (9V-32V operating range)
- Suitable for standard alternators and variable voltage smart alternators
- Blue wire ignition sense configuration for post-2010 smart alternator vehicles
- Standard mode: Blue wire disconnected (for conventional alternator vehicles)
- Smart alternator mode: Blue wire connected to vehicle ignition circuit
- Orange wire battery profile selector compatible with all common battery chemistries
- Separate DC and solar charging inputs with simultaneous operation
- MPPT solar regulator compatible with monocrystalline and polycrystalline panels
Shipping
- Standard Shipping: Delivery within 3-5 business days.
- Express Shipping: Available at checkout for faster delivery.
- Tracking: You will receive a tracking number via email once your order has shipped.
Returns
- Return Window: We offer a 30-day return policy from the date of delivery.
- Condition: Items must be unworn, unwashed, and in their original packaging with tags attached.
- Process: To initiate a return, please contact our support team at sales@camperise.com.au.
- Refunds: Once approved, your refund will be processed to your original payment method within 5-7 business days.