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The REDARC BCDCN1225 Core DC-DC Battery Charger delivers reliable 25A (continuous) dual-source charging for your auxiliary battery, drawing from both your vehicle's alternator and an unregulated solar input simultaneously. Its built-in Green Power Priority system intelligently favours available solar energy before switching to alternator power, maximising efficiency and reducing engine load on the road. With an operating temperature range of -15°C to 80°C and a compact 165 × 120 × 37 mm footprint, the BCDCN1225 is engineered to handle the harsh conditions Australian adventurers encounter — from scorching outback runs to cold alpine camp mornings.
Designed specifically for in-cabin and canopy installations, the BCDCN1225 suits a wide range of setups including caravans, camper trailers, 4WD touring rigs, RVs, and motorhomes. It handles 12V and 24V standard and smart/variable-voltage alternators without modification, and its four selectable charging profiles cover AGM, Gel, standard lead acid, calcium, and lithium LiFePO4 batteries — so you can charge whatever chemistry your dual-battery system runs. The three-stage boost, absorption, and float charging cycle actively extends auxiliary battery life, keeping your campsite powered for fridges, lighting, and all the gear that makes off-road life comfortable.
Outdoor Camping Australia operates a nationwide distribution network, with items shipping from:
This multi-location approach allows us to provide efficient delivery across Australia. Use our shipping calculator on the product pages for accurate delivery times and costs to your location.
As outlined in our Refund Policy, we follow the Australian Consumer Law (ACL) which protects consumers by providing certain guaranteed rights when buying goods and services.
You can return items if:
For change of mind returns:
Refunds will be processed within 10 business days of receiving and inspecting the return.
For full details, please refer to our:
| SKU | BCDCN1225 |
|---|---|
| Brand | REDARC |
| Dimensions (L × W × D) | 165 × 120 × 37 mm |
| Weight | 0.9 kg |
| Installation Location | In-vehicle only (in-cabin or canopy) |
| Connector Type | Bare wire |
| Compatible Battery Types | Standard Lead Acid, Calcium, Gel, AGM, LiFePO4 |
| Power Type | DC to DC |
| Charging Stages | Three-stage — Boost, Absorption, Float |
| Continuous Current Rating | 25A |
| Maximum Current Rating | 35A |
| Input Voltage Range | 9–32V |
| Solar Input Voltage | 9–32V (unregulated only) |
| Solar Switch-On Voltage | 9V |
| Output Voltage | 12 VDC |
| Maximum Charging Voltage | 15.3V |
| Nominal Output Power | 375W |
| No Load Current | <100 mA |
| Standby Current | <8 mA |
| Operating Temperature | -15°C to 80°C |
| Profile A — Max Voltage | 14.6V (AGM / Gel) |
| Profile B — Max Voltage | 15.0V (Standard Lead Acid) |
| Profile C — Max Voltage | 15.3V (Calcium) |
| Profile Li — Max Voltage | 14.5V (LiFePO4) |
| Input Fuse Rating (not supplied) | 40A |
| Output Fuse Rating (not supplied) | 40A |
| Minimum Output Battery Voltage | 0.1V |
| Compliance Standards | CISPR11, ECE Reg.10 |
| Warranty | 2 Years |
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