EcoFlow RIVER 3 Max + 500W Alternator Charger
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Want portable power that recharges while you drive? The EcoFlow RIVER 3 Max + 500W Alternator Charger keeps you powered 5× faster on the road
The EcoFlow RIVER 3 Max + 500W Alternator Charger bundle is built for travellers, campers, and anyone who wants dependable power without waiting hours to recharge. With this setup, you can enjoy the convenience of portable energy and fast on-the-go charging all in one package.
The 500W Alternator Charger restores power to your RIVER 3 Max up to 5 times faster than a standard vehicle outlet. That means you can top up your power station in as little as 2.1 hours, using the excess energy already generated by your vehicle. Every trip becomes a chance to recharge, so you’re always ready when you arrive.
Note: “DELTA” and “RIVER” refer to ECOFLOW INC. products. RIVER/RIVER 2/RIVER 3 support XT60 only. DELTA supports XT60 and XT150.
Note: Do not block the power button when installing. After connecting via XT60, press the power button each time you start the car before using the app to charge.
Key Features of the RIVER 3 Max + 500W Alternator Charger
EcoFlow 500W Alternator Charger
- 5x faster than traditional in- vehicle auxiliary power outlets. Top up 1kWh (85Ah@12V) in only 2.1 hours.
- A 3-in-1 fast charger, maintainer, and jump starter keeps your battery in mint condition.
- Third party portable power stations are applicable.
- 3-step easy installation
- Suitable for a variety of vehicles, including SUVs, pickups, and RVS.
- Expands existing RV house battery capacity.
* The 500W Alternator Charger includes only XT60i cable in the box and does not support reverse charging & battery maintenance functions with XT60 cable. To enable reverse charging & battery maintenance functions, additional purchase of XT150 cable is required.
EcoFlow RIVER 3 Max (RIVER 3 Plus+EB300）
- <10 ms pro-grade UPS for precision devices
- 572Wh Capacity, 600W rated output and 1200W X-Boost
- Up to 2× runtime for light-wattage appliances
- Expandable up to 858Wh with a wire-free connection
- Compact and lightweight
Safety is a top priority. With Gallium Nitride (GaN) technology, the charger stays efficient even under heat and offers multiple protections, including undervoltage safeguards that protect your car’s starting battery. Backed by a 2-year warranty, you can count on it for safe and reliable use trip after trip.
Compatible across EcoFlow models and most third-party systems
The RIVER 3 Max + 500W Alternator Charger is versatile and compatible with most SUVs, pickups, RVs, and 4WD vehicles. Its XT60 connection makes it suitable for EcoFlow RIVER, DELTA Series, and many third-party power stations, so you’re not limited in how you use it.
3-in-1 power solution: Charge, maintain, and jump-start from one compact device
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
Recharge your vehicle starter battery or RV house battery using your portable power station.
Basic Battery Setups vs. EcoFlow Integrated Dual Power
For bigger energy needs, the system can even integrate with larger EcoFlow setups like the DELTA 3 Pro and Extra Battery, expanding your storage capacity up to 7.2kWh. That means days of reliable power for camping, off-grid adventures, or home backup.
RIVER 3 Max + 500W Alternator Charger Specifications
EcoFlow Alternator Charger Selection Guide for Your Needs
Worry-Free Power on Every Journey with 500W Alternator Charging
Connect the Fuse Cable
1. Connect the fuse cable to the input cable on one end.
2. 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.
What's in The Box of RIVER 3 Max + 500W Alternator Charger?
