Victron DC-DC Charger (30A Max)
Brand: Victron Energy
Product Description:
- Charges leisure batteries from alternator while driving.
- Compatible with lithium and lead-acid (AGM) batteries.
- 30A rating for rapid charging.
- Bluetooth enabled for monitoring on smartphone.
Why DC-DC Chargers Are Important :
- Quickly recharge batteries when driving
- Solar panels inefficient without direct sunlight
- 30A rating = ~360W of solar
* This specific unit is for 12V systems. Additional models are below.
Additional Models
Based on the voltage of your starter and leisure batteries, and the amount of current you want, review the below tables to find additional Victron DC-DC charger models.
Starter / Leisure Voltage | Max Amps | Buy |
12V / 12V | 18A | |
12V / 12V | 30A | |
12V / 24V | 10A | |
12V / 24V | 15A |
Frequently Bought Together
Victron’s DC-DC charger is installed using the following parts and tools. Refer to the wiring diagram further below for details.
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Ancor 112502 Tinned Copper Wire, 6 AWG (13mm2), Red - 25ft | No ratings yet |
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Ancor 112002 Tinned Copper Wire, 6 AWG (13mm2), Black - 25ft | No ratings yet |
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RockDIG 10-Pack Guage 6-3/8 Copper Wire Lugs, Battery Cable Ends, Bare Copper Eyelets Tubular Ring... | No ratings yet |
$9.99 |
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Baomain ANL-50A Electrical Protection ANL Fuse 50 Amp with fuse holder 1 Pack | No ratings yet |
$7.99 |
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4 Post Power Distribution Block Bus Bar Pair with Cover - Made in The USA - 250 Amp Rating –... | No ratings yet |
$35.99 |
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Hand Operated Hydraulic Crimping Tool Range 12 AWG-2/0 AWG for Cable Lugs Hydraulic Crimping Crimper... | No ratings yet |
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- 6 AWG Wires (Red & Black) – These wires will handle the 30A current to and from the DC charger. Learn more about 6 AWG wire.
- Copper Lugs – Crimps onto the 6 AWG wires and connects to the ANL fuse and bus bars.
- 50A ANL Fuse – Protects the wires and all downstream devices from over-current.
- Bus Bars – Power distribution and collection centers that make wiring simple and clean. Read more about bus bars.
- Hydraulic Lug Crimper – Crimps the copper lugs onto the 6AWG wire.
How & Where To Install A DC-DC Charger
DC-DC chargers are commonly installed between the vehicle’s starter battery and the leisure batteries. In many cases, the DC charger is wired directly to bus bars and NOT the batteries themselves. Refer to the wiring diagram below to see how this device is installed.

Need More Wiring Information? Download our Electrical Wiring eBook.
Technical Details
Current Rating | 30A |
Product Dimensions | 2.76"D x 5.12"W x 7.32"H |
Input Voltage Range | 10-17V |
Output Voltage Range | 10-15V |
Leisure & Starter Battery Voltage | 12V |
Bluetooth Enabled? | Yes |