- The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
- To reach 1000W input, DELTA 3 Max Plus / DELTA Pro 3 / DELTA Pro must use the Smart Generator Adapter. DELTA 2/DELTA 3/ DELTA 3 Plus/DELTA 3 1500 support 1000W input directly.
*To enable solar charging, the EcoFlow Alternator Charger Plus 1000 Solar Input Cable is required.
Traditional vs. EcoFlow Portable Dual Battery Systems
Traditional vs. EcoFlow Portable Dual Battery Systems
Faster – Top Up 1kWh in Just 1 Hour*
Faster – Top Up 1kWh in Just 1 Hour*
Charge as you drive – 10× faster than a traditional car cigarette lighter. Power up 1kWh in only 1 hour and arrive with a fully charged portable power station.
*Tested using a 12V car charging system at 25 ℃ ambient temperature. Actual performance may vary by vehicle and environment.
Cloudy or Low-Sunlight Days
Turn off solar charging in the app to draw up to 1000W from the alternator alone.
Sunny Days
Turn on solar charging in the app to combine 700W from the alternator + up to 300W from solar, reaching a maximum of 1000W input.
Charge While You Drive, Power Anywhere
- To reach 1000W input, DELTA 3 Max Plus / DELTA Pro 3 / DELTA Pro must use the Smart Generator Adapter. DELTA 2/DELTA 3/ DELTA 3 Plus/DELTA 3 1500 support 1000W input directly.
Charge While You Drive, Power Anywhere
- To reach 1000W input, DELTA 3 Max Plus / DELTA Pro 3 / DELTA Pro must use the Smart Generator Adapter. DELTA 2/DELTA 3/ DELTA 3 Plus/DELTA 3 1500 support 1000W input directly.
Charge While You Drive, Power Anywhere
- To reach 1000W input, DELTA 3 Max Plus / DELTA Pro 3 / DELTA Pro must use the Smart Generator Adapter. DELTA 2/DELTA 3/ DELTA 3 Plus/DELTA 3 1500 support 1000W input directly.
Charge While You Drive, Power Anywhere
- To reach 1000W input, DELTA 3 Max Plus / DELTA Pro 3 / DELTA Pro must use the Smart Generator Adapter. DELTA 2/DELTA 3/ DELTA 3 Plus/DELTA 3 1500 support 1000W input directly.
Reverse Charging for Car Battery Protection
Supports reverse charging* to the starter battery via the power station or solar panels. This helps maintain vehicle battery health and prevents draining.
*Requires an output cable with communication function (XT150 or 4+8 supported; XT60 not supported). The Alternator Charger Plus 1000 includes one XT150 output cable in the box.
Reverse Charging for Car Battery Protection
Supports reverse charging* to the starter battery via the power station or solar panels. This helps maintain vehicle battery health and prevents draining.
*Requires an output cable with communication function (XT150 or 4+8 supported; XT60 not supported). The Alternator Charger Plus 1000 includes one XT150 output cable in the box.
Reverse Charging for Car Battery Protection
Supports reverse charging* to the starter battery via the power station or solar panels. This helps maintain vehicle battery health and prevents draining.
*Requires an output cable with communication function (XT150 or 4+8 supported; XT60 not supported). The Alternator Charger Plus 1000 includes one XT150 output cable in the box.
Fully Utilize 3 Charging Modes Across Scenarios
Fully Utilize 3 Charging Modes Across Scenarios
Fully Utilize 3 Charging Modes Across Scenarios
Simpler – Smart Control via App or Infotainment
Simpler – Smart Control via App or Infotainment
An industry first: supports car infotainment connectivity, compatible with Apple CarPlay and Android Auto interfaces
Monitor real-time starter battery voltage, portable power station SOC, and remaining charging time directly on your vehicle’s infotainment screen. Adjust charging modes on the go to manage power station status—everything at your fingertips.
Five Layers of Protection with Advanced Quality Standards
Safer – Enhanced Alternator & Starter Battery Protection
The Alternator Charger harnesses surplus alternator power without disrupting normal vehicle operation or adding extra load while driving.
Smart Ignition Control
Built-in ignition cable ensures compatibility with smart alternators. The charger shuts down instantly when the engine stops, preventing starter battery drain.
Intelligent Output Adjustment
Output adapts automatically to starter battery voltage and the forward charging voltage set in the app, preventing excessive drops.
125A Fuse Protection
Safeguards against overcurrent and short circuits, ensuring stable, reliable operation.
Plug-and-Play Design for Easy Installation
Plug-and-Play Design for Easy Installation
Plug-and-Play Design for Easy Installation
Quick 10-Minute Installation
Follow the step-by-step guide and get set up in minutes.
How to Choose your EcoFlow Alternator Charger
How to Choose your EcoFlow Alternator Charger
What's in the box
Specs
Net Weight
1.7 kg
Dimensions (W × D × H)
276×187×38 mm
ALT IN Port Input
12V/24V⎓(11V-31V⎓), 75A Max
Charging Mode
ALT IN Port Input: 12V/24V⎓(11V-31V⎓), 75A Max
Battery Port Output: 24V⎓/40V-60V⎓, 20A Max, 1000W Max
Charging Mode (Solar Only)
Input: 11–60V, 15A max, 300W max (SOLAR port)
Battery Maintenance Mode
ALT IN Port Output: 13.8V/27.6V⎓, 100W Max
Battery Port Input: 40V-60V⎓, 3A Max
Reverse Charging Mode
ALT IN Port Output: 13.8V/27.6V⎓, 75A Max
Battery Port Input: 40V-60V⎓, 20A Max
Fuse's Rated Current
125A
Operating Temperature
–10℃ to 45℃
Storage Temperature
–30℃ to 70℃
Protection Type
Reverse polarity protection/Overcurrent protection/Short circuitprotection/Overvoltage and undervoltage protection/Storage BatteryOver-discharge Protection(Provided with integral protection against overloads)
