The EcoFlow DELTA 3 Max is a high-capacity portable power station engineered with a durable 2,048Wh LiFePO₄ battery and a robust 2,400W AC inverter. Designed for dependable home backup, off-grid job sites, and campervan travel, it rapidly recharges from 0 to 100% in approximately 68 minutes via AC mains and supports 500W solar input for continuous renewable energy.
Featuring four AC outlets, high-speed USB-C ports, and a regulated 12V DC car port, this unit seamlessly powers essential appliances, heavy-duty tools, and personal mobile devices. A sub-10ms UPS switchover protects sensitive electronics during unexpected blackouts, while integrated Wi-Fi and Bluetooth offer intuitive control through the dedicated mobile app.
Key Features
Brand
EcoFlow
Model
DELTA 3 Max
Battery Capacity
2048Wh
Battery Chemistry
LiFePO₄ (LFP)
Continuous AC Output
2400W
Surge AC Output
4800W
X-Boost Output
3200W
Output Voltage
230V~50Hz
Number of AC Outlets
4
USB-C Ports
1 × 100W, 2 × 30W (shared 30W total)
USB-A Ports
1 × 18W
12V Car Port
12.6V ⎓ 10A (126W max)
Total Output Ports
9
Total Combined Output
2674W max
AC Charging Input
2300W, 220–240V~10A, 50/60Hz
Solar Input
500W max (XT60i)
Alternator Charging
500W max (XT60i)
Car Charging Input
12V / 24V ⎓ 8A
Generator Charging Input
2400W max
UPS Switchover Time
10 ms
Noise Level
≤25 dB (at 600W load)
Connectivity
Wi-Fi, Bluetooth, App, Screen
Dimensions
19.4 × 9.4 × 12 in
Weight
44.8 lb
Highlights
2,048Wh LiFePO₄ battery with long cycle life
2,400W AC output (4,800W surge) with X-Boost up to 3,200W
Fast AC charging: 0–100% in approximately 68 minutes
500W solar input and 500W alternator charging support
Sub-10ms UPS switchover for sensitive electronics
Wi-Fi and Bluetooth connectivity with EcoFlow app control
What's included
What’s in the box: 1. EcoFlow DELTA 3 Max, 2. AC Charging Cable, 3. Manuals & Warranty card.
Frequently asked questions
How long does it take to fully charge the DELTA 3 Max?
Using the 2,300W AC input, the DELTA 3 Max charges from 0 to 100% in approximately 68 minutes, reaching 80% capacity in about 51 minutes.
Can I expand the battery capacity of the DELTA 3 Max?
No, the DELTA 3 Max does not support external expansion batteries.
What devices can the DELTA 3 Max power?
With 2,400W of continuous AC output and X-Boost capability up to 3,200W, it reliably powers most major home appliances, power tools, and mobile electronics.
Does the DELTA 3 Max function as an uninterruptible power supply?
Yes, it provides a fast sub-10ms UPS switchover to maintain continuous power for sensitive connected devices during outages.
Real feedback from power station owners across the USA
★★★★★
✔ Verified Buyer
Saved us during a severe outage!
"We lost power for 2 days during a storm in Texas. This Rentoos unit kept our full-size fridge, phones, and CPAP machine running without a hitch. Quiet, reliable, and charges insanely fast!"
JD
Jason D.
Austin, TX
★★★★★
✔ Verified Buyer
Perfect for off-grid RV camping
"Took this on a 2-week cross-country road trip. Ran our mini-fridge, laptops, and outdoor lights easily. Paired it with solar panels and never ran out of power once. 10/10 recommendation."
MK
Marcus K.
Denver, CO
★★★★★
✔ Verified Buyer
Unbeatable price with 70% off!
"I was skeptical about the 70% discount, but the build quality is premium. Free shipping was super quick (arrived in 3 days). Best emergency backup purchase I've made."
SR
Sarah R.
Tampa, FL
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