Power Your Next Adventure with Professional-Grade Precision. The VoltMaster 25A DC to DC Charger is the ultimate powerhouse for your dual-battery setup. Engineered to deliver a steady, reliable 25A charge, this unit ensures your auxiliary batteries are topped up and ready to go, whether you’re drawing power from your vehicle's alternator or the sun. Compact, rugged, and intelligent, it’s designed for those who refuse to let a dead battery cut their journey short.
Smart Charging for the Modern Explorer
Never worry about battery health again. The VoltMaster 25A features advanced simultaneous dual-charging technology, enabling you to charge your battery from your alternator and solar panels simultaneously. Whether you’re cruising the highway or parked up at a remote campsite, the VoltMaster intelligently prioritises and blends power sources to provide the most efficient charge possible.
Compatible with a wide range of battery chemistries, including AGM, Gel, Calcium, Lead Acid, and LiFePO4, this charger features a dedicated "Wake-up" mode to revive sleeping lithium batteries. With its built-in MPPT regulator, it squeezes every drop of energy from your solar setup, increasing efficiency by up to 30%.
1 x VoltMaster 25A DC to DC Charger (Equipped with heavy-duty Anderson-style plugs)
1 x Comprehensive User Manual
1 x Set of Mounting Hardware
Integrated Temperature Sensor Cable
Rated Output Current: 25A
DC Input Voltage Range: 12.5V – 16.0V
Solar Input Voltage Range: 13.0V – 25.0V
Battery Compatibility: LiFePO4, AGM, Gel, Calcium, Lead Acid
Charging Profile: Smart 4-Stage Charging
MPPT Efficiency: Up to 99%
Operating Temperature: -20°C to +80°C
IP Rating: IP67 (Dustproof and Waterproof)
Weight: 1.2kg (Approx.)
Dimensions: 150mm x 120mm x 45mm
This item is currently on clearance and priced to sell. Shipping is calculated at checkout and processed at the full market rate, delivered to your door via our preferred carrier. Clearance items do not have discounted shipping.
Location & Pickup:
Orders are dispatched from our warehouse at 2/14 Thomas Hanlon Court, Yatala, QLD 4207. Local pickup is available. Select “Pickup” at checkout.
Dispatch Time:
Orders are typically dispatched within 1–3 business days. You’ll receive tracking details and delivery contact information from the carrier.
Delivery Times (Australia)
Metro Areas: Standard 2–5 business days
Western Australia & Northern Territory: 6-12 business days
International Shipping: This item cannot be shipped internationally.
Tested in the Wild, Trusted by Thousands
VoltMaster 25A DC to DC Charger
Power Your Next Adventure with Professional-Grade Precision. The VoltMaster 25A DC to DC Charger is the ultimate powerhouse for your dual-battery setup. Engineered to deliver a steady, reliable 25A charge, this unit ensures your auxiliary batteries are topped up and ready to go, whether you’re drawing power from your vehicle's alternator or the sun. Compact, rugged, and intelligent, it’s designed for those who refuse to let a dead battery cut their journey short.
