EcoFlow 800W Alternator Charger

Top up 1kWh in only 1.3 hours

Charge while you drive with our EcoFlow 800W Alternator Charger and top up your power station in only 1.3 hours. The EcoFlow 800W Alternator Charger charges 8 times faster than traditional vehicle auxiliary power outlets simply by using the excess energy generated by your vehicle.

Triple the value with a 3-in-1 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.

Charging ModeReverse Charging ModeBattery Maintenance Mode

Use your car’s alternator to refuel your portable power station.

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

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.

Reverse polarity protection

Overcurrent protection

Short circuit protection

Overvoltage protection
/Undervoltage protection

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.

Step 1Step 2Step 3Step 4Step 5Step 6

Plug in the output cable from the EcoFlow 800W Alternator Charger to the portable power station.

Compatible with EcoFlow Portable Power Stations

DELTA Pro

Capacity: 3600Wh
Charging Time (By XT150 Port): 4.5 hours

DELTA 2 Max

Capacity: 2048Wh
Charging Time (By XT150 Port): 2.5 hours

DELTA Max 2000

Capacity: 2016Wh
Charging Time (By XT150 Port): 2.5 hours

DELTA 2

Capacity: 1024Wh
Charging Time (By XT150 Port): 1.3 hours

DELTA 2
Extra Battery

Capacity: 1024Wh
Charging Time (By XT150 Port): 1.3 hours

DELTA 2 Max
Extra Battery

Capacity: 2048Wh
Charging Time (By XT150 Port): 2.5 hours

What’s in the box

EcoFlow Alternator Charger

Installation board

Cable puller

M6 nut

M5*40

M5*12

Input cable

XT150 output cable

M6*20

Fuse cable

ST5.5*25

Manual & warranty card

Specifications

Model

EF-FC-301-1

Net Weight

4.9 lb (2.2 kg)

Dimensions (W D H)

24219435 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%