Charge 8× faster while you drive with our EcoFlow 800W Alternator Charger and recharge your power station in only 1.3 hours.
With the EcoFlow 800W Alternator Charger, charge 8 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.
EcoFlow 800W Alternator Charger


EcoFlow 800W Alternator Charger
*Note: The terms "DELTA" and "RIVER" as mentioned on this page refer to products exclusively manufactured by ECOFLOW INC.

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 reverse charging and battery maintenance functions require the XT150 cable and must be used with EcoFlow DELTA Series products.

Extend your RV house battery runtime
Conveniently adapts to 12V/24V RV house batteries. Connects to EcoFlow portable power stations and protects RV house batteries while expanding energy storage capacity by up to 7.2kWh*.
*With EcoFlow DELTA Pro and DELTA Pro Extra Battery
Compatible with all EcoFlow and most third-party power stations
*The 800W Alternator Charger comes with an XT150 cable to pair with EcoFlow DELTA Series products. An additional purchase of XT60 cable is required for wider compatibility.

Safety-assured for any journey
With a high thermal resistance, Gallium Nitride (GaN) technology ensures safe charging every single time.The 800W 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.

Smart Charge, Smarter Control - Industry-first vehicle infotainment integration
Monitor your power station and remaining charging time at a glance.
Stay connected with real-time control through Apple iOS CarPlay & Android Auto support.
Access the EcoFlow App directly via your vehicle's infotainment system, turning your drive into a hub of intelligent energy management.
Everything at your fingertips without constantly checking your phone, ensuring safer driving.

Clean, easy install without leaving a mark
Connect your 800W Alternator Charger to your vehicle's starter battery or RV's house battery to enjoy a worry-free power experience during your journey.
Clean, easy install without leaving a mark
How to Choose Your EcoFlow Alternator Charger![]()
What's in the box
Specs
Model EF-FC-301-1 |
Net Weight 4.9 lb (2.2 kg) |
Dimensions (W × D × H) 242×194×35 mm |
Wi-Fi Frequency: 2412MHz-2472MHz Maximum output power: <20dBm |
Bluetooth Frequency: 2402MHz-2480MHz Maximum output power: <10dBm |
Charging Mode Input: 11V-35V, 76A Max. Output: 40V-60V, 800W Max. |
Battery Maintenance Mode Input: 40V-60V, 3A Max. Output: 13.8V/27.6V, 100W Max. |
Reverse Charging Mode Input: 40V-60V, 21A Max. Output: 13.8V/27.6V, 800W Max. |
Fuse's Rated Current 125A |
Protection Type Reverse polarity protection Overcurrent protection Short circuit protection Overvoltage protection Undervoltage protection |
Operating Temperature –20℃ to 60℃ |
Storage Temperature –30℃ to 70℃ |
Operating Humidity ≤95% |
Storage Humidity ≤95% |
Terms and Conditions:
¹The 800W refers to the speed under full power charging. The charging power is related to the car generator's current and operating condition.
²For the installation of the Alternator Charger, please refer to the video or illustrated installation guide provided by EcoFlow. We recommend that the wiring process be completed by a professional. Before use, please review the installation video or illustrations to ensure correct usage after full understanding. Incorrect operation of this product could result in injury or product damage and property loss. By using this product, you are deemed to have understood, acknowledged, and accepted all terms and content of this document. EcoFlow does not assume any liability for losses caused by failure to use the product according to the guidelines. Subject to compliance with laws and regulations, our company reserves the final interpretation rights for this product.