Jackery
Jackery DC-DC Alternator Charger
Jackery DC-DC Alternator Charger
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This is a real store run by Joel, the owner — not a call center. I design off-grid power systems and built this store's sizing tools. Tell me your setup (van, RV, cabin, or backup) and I'll tell you honestly what fits — before you spend a dollar.
Use the free Power Calculator to see exactly how much capacity your appliances need — no email required.
Open the Power Calculator →Jackery DC-DC Alternator Charger
Charge your Jackery power station from your vehicle's alternator while you drive. The DC-DC Alternator Charger connects between your vehicle's 12V battery and your Jackery station, delivering up to 12A of charge current on the road. Perfect for van builders and overlanders who drive regularly and want to top up their power station without relying solely on solar.
Key Specs
- Input: 12V DC vehicle battery
- Output: Up to 12A
- Compatible With: Jackery Explorer 1000 v2, 1500 v2, 1500 Ultra, 2000 v2, 3000 v2, HomePower 3600 Plus, Explorer 5000 Plus
- Connection: Anderson connector
- Auto shutoff: Protects vehicle battery from over-discharge
Drive and Charge
Every mile you drive puts power back into your station. Combined with solar, the DC-DC charger ensures you arrive at camp with a full battery regardless of cloud cover. An essential add-on for any Jackery-based van or overland build.
Not sure what size you need? Use our free Power Station Size Calculator to get a personalized recommendation in under 2 minutes.
Warranty
All Jackery products include a 3-year manufacturer warranty. View our full warranty policy â
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Great product- direct connection to Jackery batteries. Makes a world of difference on charging speed. The interaction and service trailvault was straightforward and timely. I would use the again for future purchases.