Whether you're running a dual-battery setup, a fridge, a winch, or just need reliable power on a remote track — choosing the right charger for your 4WD is critical. We've reviewed the top options across AGM, lithium, and DC-DC charging available in Australia.
25A DC-DC charger with solar MPPT. The gold standard for serious 4WD dual-battery systems.
| Charger | Amps | Battery Types | DC-DC / Solar | Price (AUD) | Best For |
|---|---|---|---|---|---|
| REDARC BCDC1225D Best Overall | 25A | AGM, Lithium, GEL | ✅ Both | ~$450 | Dual battery touring |
| NOCO Genius 10 Best Value | 10A | AGM, Lithium, Std | ❌ | ~$149 | Home / camp charging |
| Projecta IC2500 | 25A | AGM, Lithium, Std | ❌ | ~$179 | LiFePO4 setups |
| CTEK MXS 5.0 | 5A | AGM, Std | ❌ | ~$119 | Maintenance charging |
| Victron Blue Smart 15A | 15A | AGM, Lithium, GEL | ❌ | ~$280 | Bluetooth monitoring |
The REDARC BCDC1225D is the benchmark for 4WD dual-battery charging in Australia. This 25A DC-DC charger takes power from your alternator and charges your secondary battery correctly — without voltage drop issues of traditional isolators. It also includes built-in MPPT solar so alternator and solar charge simultaneously.
It handles AGM, gel, calcium, and LiFePO4 with selectable profiles. IP67-rated for dust and moisture, built for the Australian outback. REDARC manufactures in South Australia — buy once, forget about it.
The NOCO Genius 10 is the perfect companion charger for camp or home — handling 6V and 12V batteries in AGM, lithium, wet-cell, and maintenance modes. The repair mode can recover deeply discharged batteries. At ~$149 it's a no-brainer addition to any touring kit.
The Projecta IC2500 delivers 25A with a dedicated LiFePO4 mode using proper CC/CV charging — critical for lithium battery longevity. Also handles AGM, calcium, gel, and lead-acid with auto-detection. Australian brand with local warranty support.