EF ECOFLOW Delta Pro 3 Portable Power Station with 800W Alternator Charger, 3-in-1 Fast DC-DC Charger, Vehicle Battery Charger & Jump Starter 8× Faster Than Cigarette Chargers, Charges 4kWh in 6 hr

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$4,299.00


Note: Prices are updated frequently and may vary by retailer. Select Cyber Monday Deals to see the most current offer..
Power Output & Capacity5
Charging Speed & Technology5
Battery Type & Longevity5
Design & Portability5
Smart Control & Integration5

[8× Faster Than Cigarette Lighter Charger] The 800W Alternator Charger tops up a portable power station by 4kWh on an 6 hours drive. Charge with excess alternator energy so you can power your essential appliances, such as phones, coffee makers and lights when you’re on the go.
[3-in-1 Charger, Maintainer and Jump Starter] Three integrated features that charge your portable power station, keep your vehicle battery in peak condition and acts as a jump starter when you need it most.
[Easy-to-Install System] Transform your overlanding and vanlife experience with our plug-and-play portable power station. Perfect for supplementing your 12V RV house battery, and extending your runtime. It’s not just for use in your van, our compact and lightweight power stations can be taken off-grid and used to power the outdoors.

🎯 Best For

RV travelers and van lifers who need fast, reliable recharging on the road.
Homeowners seeking a compact, smart backup for power outages.
Off-grid adventurers relying on solar and vehicle charging.
Emergency preppers needing flexible power with jump-start capability.
Professionals using high-wattage tools or devices in remote areas.

EF ECOFLOW Delta Pro 3 Portable Power Station with 800W Alternator Charger, 3-in-1 Fast DC-DC Charger, Vehicle Battery Charger & Jump Starter 8× Faster Than Cigarette Chargers, Charges 4kWh in 6 hr
EF ECOFLOW Delta Pro 3 Portable Power Station with 800W Alternator Charger, 3-in-1 Fast DC-DC Charger, Vehicle Battery Charger & Jump Starter 8× Faster Than Cigarette Chargers, Charges 4kWh in 6 hr

$4,299.00

Description

[8× Faster Than Cigarette Lighter Charger] The 800W Alternator Charger tops up a portable power station by 4kWh on an 6 hours drive. Charge with excess alternator energy so you’ll be able to power your essential appliances, such as phones, coffee makers and lights if you find yourself on the go.

[3-in-1 Charger, Maintainer and Jump Starter] Three integrated features that charge your portable power station, keep your vehicle battery in peak condition and acts as a jump starter when you want it most.

[Easy-to-Install System] Become your overlanding and vanlife experience with our plug-and-play portable power station. Perfect for supplementing your 12V RV house battery, and extending your runtime. It isn’t just for use in your van, our compact and lightweight power stations may also be taken off-grid and used to power the outdoors.

[Access the EcoFlow App Anywhere] Easily view your vehicle’s energy usage in real-time, including power consumption and charging status, anywhere. Monitor and manage all of your vehicle, from temperature to appliance power.

[Safe Charging & Vehicle Protection] By the use of GaN technology the DC-DC Charger converts more electricity without any risk of overheating even when charging at high speeds. The charger protects your vehicle against reverse polarity, overcurrent, short circuit, over and under voltage. Includes a 2-year service.
*To verify prompt delivery, please note that the DELTA Pro 3 Solar Generator and 800W Alternator Charger will be shipped one by one. If you receive one item before the other, kindly await the arrival of the remaining item.

5Expert Score
EF ECOFLOW Delta Pro 3 Portable Power Station Review – The Future of Fast, Smart, and Portable Energy
The EF ECOFLOW Delta Pro 3 redefines portable power with advanced DC charging and high-speed energy transfer. Delivering a massive 4000Wh capacity and 2400W rated output, it’s designed for modern users who need fast, intelligent, and versatile backup power. Its standout feature is the 800W alternator charger and 3-in-1 DC-DC charging system, capable of charging the Delta Pro 3 directly from a vehicle up to 8× faster than standard cigarette chargers. This same system doubles as a vehicle battery charger and jump starter, giving you the ultimate off-grid flexibility. Engineered for home backup, RV travel, and outdoor professionals, the Delta Pro 3 pairs with EcoFlow’s smart app for full control, power tracking, and system integration. In just 6 hours of driving, it can recharge 4kWh of power, making it the most efficient travel-ready station in its class. With solar input compatibility, expandable battery options, and quiet LiFePO4 performance, the Delta Pro 3 is an innovation built for those who want unstoppable, intelligent power—wherever they go.

Stroong:Final Verdict The EF ECOFLOW Delta Pro 3 Portable Power Station pushes the limits of what a portable generator can do. Its 800W alternator charger, 4kWh capacity, and 8× faster vehicle charging make it a top-tier option for anyone serious about mobility and resilience. It’s more than a backup—it’s a complete energy solution. From road trips to home emergencies, the Delta Pro 3 delivers unmatched performance, smart features, and charging flexibility that redefine portable power for 2025 and beyond.
Power Output & Capacity
5
Charging Speed & Technology
5
Battery Type & Longevity
5
Design & Portability
5
Smart Control & Integration
5
PROS
  • Massive 4000Wh capacity with efficient 2400W output.
  • 3-in-1 DC-DC charger for alternator, jump-start, and vehicle battery functions.
  • 800W vehicle charging – 8× faster than traditional car outlets.
  • Charges 4kWh in just 6 hours of driving.
  • Expandable battery design for extended runtime.
  • App control and real-time power management.
  • Compatible with EcoFlow solar panels for clean, off-grid recharging.
CONS
  • Premium price reflects cutting-edge features and size.
  • Heavy (~65 lbs) compared to smaller power stations.
  • Full alternator charging setup may require installation.
  • Solar panels sold separately.

Additional information

Specification: EF ECOFLOW Delta Pro 3 Portable Power Station with 800W Alternator Charger, 3-in-1 Fast DC-DC Charger, Vehicle Battery Charger & Jump Starter 8× Faster Than Cigarette Chargers, Charges 4kWh in 6 hr

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