Qi2 15W Wireless Charging: Enjoy the ease of 15W wireless charging, which is two times faster than Qi1 7.5W charging and backed by Qi2 certification, ensuring quick, safe, and effective energy top-ups.Ultra-Fast Charging with 65W Built-in Cable: You don't need to bring an extra cable with you for ultra-fast charging and can give your 13-inch MacBook Air an urgent boost for an extra 8 hours of power.Flash Recharging With 30W input, charge from 0% to 70% in under 33 minutes while you get ready to head out.Smart Digital Display: Experience ultimate control with our power bank's dynamic screen. Using smart app control, you can view charging speed, power output, and add a personal touch by customizing your screen.Built-in Stand for Versatile Use: The kickstand for upright or side view offers hands-free use, doubling as a desktop stand.Intelligent App Control: Besides viewing more detailed charging insights you could also turn on "Healthy Charging Mode" to protect your battery for longer battery life and find your power bank via the embeddeed buzzer if you misplace it.
Color
Silver
Capacity
10,000mAh
Ports
C1 Port
Type-C built-in cable (input/output)
C2 Port
Type-C port (input/output)
Wired Charging
Type-C Input
65W
Built-in Cable Input
60W
Recharging Time
33 min (70%)59 min (100%)
Wired Output
65W
Wireless Charging
Wireless Standard
Qi2.0 (15W max)
Wireless Charging Time
42 min (iPhone 15 Pro to 50%)
Features
Bluetooth
Yes
Digital Display
Yes
Mobile App
Yes
Physical Specifications
Dimensions
108 × 70 × 22.9 mm
Weight
258 grams
Note: The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC. RIVER/RIVER 2/RIVER 3 series only support XT60 port. Delta series both supports XT60 and XT150 ports.
Note: When installing the Alternator Charger main unit, make sure not to block the power button. After connecting the Alternator Charger to the portable power station（both River and Delta Series） via the XT60 port, you need to press the power button each time you turn on the car to turn it on before initiating charging through the app.
Top up 1kWh (85Ah@12V) in only 2.1 hours
Charge 5× faster while you drive with our EcoFlow 500W Alternator Charger and recharge your power station in only 2.1 hours.With the EcoFlow 500W Alternator Charger, charge 5 times faster than with traditional vehicle auxiliary power outlets simply by using excess energy generated by your vehicle. The charger uses its onboard DC-DC converter to restore your EcoFlow power station's energy while you drive.
Triple the value with a 3-in-1 functional design
The 3-in-1 charger, maintainer, and jump starter saves time, money, and precious in-vehicle space.With its smart and efficient fast charging capabilities, you'll stay powered no matter how long you're on the road.
The 500W Alternator Charger comes with an XT60 cable, but does not support reverse charging & battery maintenance functions with the XT60 cable. To enable reverse charging & battery maintenance functions, purchase the XT150 cable and use with an EcoFlow DELTA Series product.
Charging Mode
Use your car's alternator to refuel your portable power station.
Reverse Charging Mode
Recharge your vehicle starter battery or RV house battery using your portable power station.
Battery Maintenance Mode
Extends your vehicle starter battery or RV house battery life by using a lower electrical current.
Compatible with all EcoFlow and most third-party power stations
Compatible with an XT60 connection, designed to charge EcoFlow RIVER, DELTA Series, and most third-party power stations. The charger's 500W fast-charging is compatible with most SUV, Pickup, and RV alternators, meeting diverse short-trip car camping power needs.
*When using an XT60 cable, the Alternator Charger switch on the device must be manually turned on and the charging function enabled in the app before charging can begin. Therefore, if planning to use the XT60 cable for output, avoid concealed installation of the Alternator Charger in advance.
Traditional vs. EcoFlow Portable Dual Battery Systems
More Detailed Specifications for 500W & 800W Alternator Charger
Extend your 4WD battery runtime
Conveniently adapts to 12V/24V 4WD batteries. Connects to EcoFlow portable power stations and protects 4WD batteries while expanding energy storage capacity by up to 7.2kWh*.* With EcoFlow DELTA 3 Pro and DELTA 3 Pro Extra Battery.
Clean, easy install without leaving a mark
Connect your 500W Alternator Charger to your vehicle's starter battery or RV's house battery to enjoy a worry-free power experience during your journey.
Connect the Fuse Cable
Connect the fuse cable to the input cable on one end.
Connect the fuse cable to the vehicle battery on the other end.
Connect the Input Cable
1. Connect the black cable to the chassis terminal.2. Thread the other end of the input cable through the car body towards the charger. If the input cable is bulky or difficult to pull through, disconnect the cable ends before threading.3. Plug the other side of the input cable into the EcoFlow 500W Alternator Charger.
Start Charging
Plug in the output cable from the EcoFlow 500W Alternator Charger to the portable power station.
Safety-assured for any journey
With a high thermal resistance, Gallium Nitride (GaN) technology ensures safe charging every single time. The 500W Alternator Charger offers multiple safety features, including undervoltage protection that prevents excessive energy use and damage to the starting battery. A 2-year warranty ensures your experience and peace of mind.
Specs
Model
EF-MS-H02-1
Net Weight
5.7 kg
Dimensions (W × D × H)
242×194×35 mm
Wi-Fi
Frequency: 2412MHz-2472MHz
Maximum output power: 18.22dBm
Bluetooth
Frequency: 2402MHz-2480MHz
Maximum output power: 7.89dBm
Charging Mode
Input: 12V/24V⎓(11V-31V⎓), 45A Max.
Output: 40V-60V⎓, 500W Max.;24V⎓, 360W Max.
Battery Maintenance Mode
Input: 40V-60V⎓, 3A Max.
Output: 13.8V/27.6V⎓, 100W Max.
Reverse Charging Mode
Input: 40V-60V⎓, 13.2A Max.Output: 13.8V/27.6V⎓, 500W Max.
Fuse's Rated Current: 125A
Protection Type:
Reverse polarity protection / Overcurrent protection / Short circuit protection / Overvoltage and undervoltage protection (Provided with integral protection against overloads)
What's in the box
Capacity: 2048WhCompatibility: EcoFlow DELTA 3 Max Plus / EcoFlow DELTA 3 Ultra PlusLong-Lasting LFP BatteryEasy to Use - Plug-and-play design for straightforward operation.Stackable Design - Perfect for home or indoor power backup applications.
IN THE BOX
DELTA 3 Max Plus Smart Extra Battery × 1Extra Battery Cable × 1Manuals & Warranty Card × 1
*Note: The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.
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
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.
Perfect for RV and pickup conversions with high-power appliances. Enable dual-unit charging with two Alternator Charger Plus 1000s to fully charge DELTA Pro 3 in just 2.7 hours*—45% faster than a single unit
For power stations of 2kWh and above, the Alternator Charger frees you from heavy lifting. Charge your high-capacity unit to full while driving—no more hauling it back home for AC charging. Just leave it in your car and let the alternator do the work.
Skip traditional hardwired 12V batteries and DC-to-DC chargers. With a power station + alternator charger setup, you get ultimate flexibility: power onboard systems while driving, then take your power outdoors for lighting, cooking, or tools.
When emergencies hit, restore your power station to full during the evacuation drive—even if it’s been sitting unused and partially discharged.
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.
Charging Mode–up to 1000W
Use when battery voltage is healthy. Charges the power station while driving.
Reverse Charging Mode–up to 1000W
- Pure Solar Charging Mode – up to 300W: Use without a power station connected. Supplies power directly from solar panels to the starter battery.- Emergency Charging Mode – approx. 15A: Use when the vehicle battery is depleted and the engine won’t start. Functions as an alternative to a jump starter by slowly restoring the battery to normal voltage.
Battery Maintenance Mode–up to 100W
Use when starter battery voltage is low. Works as a battery maintainer, delivering steady current to extend starter battery lifespan.
Fully Utilize 3 Charging Modes Across Scenarios
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
Once the ignition cable is connected, the alternator charger powers on automatically with the engine. No need to press a button or activate it in the app each time.
No screws, no tools. The charger’s direct plug-in terminals make it easy to connect or disconnect your portable power station—perfect for owners who use multiple vehicles.
Once the ignition cable is connected, the alternator charger powers on automatically with the engine. No need to press a button or activate it in the app each time.
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 MaxBattery 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 MaxBattery Port Input: 40V-60V⎓, 3A Max
Reverse Charging Mode
ALT IN Port Output: 13.8V/27.6V⎓, 75A MaxBattery 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)
