DC to DC Chargers
Keep your batteries charged efficiently with premium DC to DC chargers designed for dual battery systems, caravans, and off-grid applications. These DC battery chargers provide smart charging performance, improved battery life, and reliable power management for touring and outdoor adventures. Perfect for 4WD and camping setups. Pair with battery controllers and monitors or browse battery boxes.
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CTEK SMARTPASS 120S 120A 12V Power Management System for Starter and Service Batteries
CTEK
CTEK SMARTPASS 120S 120A 12V Power Management System for Starter and Service Batteries
- Price
- $540
Victron Energy ORI241270030 Orion 24/12-70A DC-DC Converter IP20/Binding Posts
Victron Energy
Victron Energy ORI241270030 Orion 24/12-70A DC-DC Converter IP20/Binding Posts
- Price
- $210.87
CTEK D250SE 40-315 Battery Charger DC-DC 12V 20Amp
CTEK
CTEK D250SE 40-315 Battery Charger DC-DC 12V 20Amp
- Price
- $450
Victron Energy ORI241220260 | Orion IP67 24/12-20A (240W)
Victron Energy
Victron Energy ORI241220260 | Orion IP67 24/12-20A (240W)
- Price
- $76.23
Enerdrive ePOWER EN3DC40+ 12V 40A DC2DC+ Battery Charger
16% off
Enerdrive
Enerdrive ePOWER EN3DC40+ 12V 40A DC2DC+ Battery Charger
- Sale price
- $525.85
- Regular price
- $629
Victron Energy ORI482410110 120W 48/24-5A Orion-Tr Isolated DC-DC Converter
Victron Energy
Victron Energy ORI482410110 120W 48/24-5A Orion-Tr Isolated DC-DC Converter
- Price
- $115.50
Victron Energy ORI241205260 Orion IP67 12/24-50A (1200W)
Victron Energy
Victron Energy ORI241205260 Orion IP67 12/24-50A (1200W)
- Price
- $39.60
Thunder TDR02026 30A Battery Management System
Thunder
Thunder TDR02026 30A Battery Management System
- Price
- $1,270
Projecta
PROJECTA IDC25 25A 3 Stage Intelli-Charge 9-32V Deep Cycle Dual Battery Charger
- Price
- $399
Matson MA20DC 20 Amp Dc To Dc Battery Charger
Matson
Matson MA20DC 20 Amp Dc To Dc Battery Charger
- Price
- $199
PROJECTA IDC45 9-32V 45A 3 Stage Intelli-Charge Deep Cycle Dual Battery Charger
Projecta
PROJECTA IDC45 9-32V 45A 3 Stage Intelli-Charge Deep Cycle Dual Battery Charger
- Price
- $652
CTEK
CTEK D250TS 24V DC-DC Battery Charger, Separator, 12V Converter and Equaliser
- Price
- $726
Frequently Asked Questions
A DC-DC charger efficiently charges auxiliary batteries from your vehicle's alternator while protecting battery health.
A DC-DC charger delivers the correct charging profile for AGM, lithium, and other battery types, especially in modern smart alternator vehicles.
Yes. DC-DC chargers are widely used in 4WDs, caravans, camper trailers, boats, and off-grid power systems.
Many DC-DC chargers support lithium, AGM, gel, and lead-acid batteries.
Select a charger based on battery chemistry, charging current, alternator type, and battery capacity.
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