Figures read DELTA 3 Ultra first, E3600LFP second.

Which one suits what

One line per criterion, each with the numbers behind it. There is no overall winner: weigh the lines that matter for your list.

  • Longer runtime on the same load: a tie at 3,072 Wh.
  • Bigger loads at once: a tie at 3,600 W.
  • Motor and compressor starts: the EcoFlow DELTA 3 Ultra, with 7,200 W against 7,000 W for the E3600LFP. The surge rating covers the start of a fridge, pump or tool.
  • Carrying it: the EcoFlow DELTA 3 Ultra, with 72.1 lb (32.7 kg) against 79.4 lb (36 kg) for the E3600LFP. Lighter is easier to move.
  • Price per watt hour: the EcoFlow DELTA 3 Ultra, with $0.52 against $0.75 for the E3600LFP. Prices as stored for October 2026; sale prices change often.
  • Solar refill: the Pecron E3600LFP, with 1.7 h of peak sun against 5.1 h of peak sun for the DELTA 3 Ultra. From empty at each station's own solar limit.

Running time, side by side

Each appliance on its own on a full charge, at 85% efficiency. Loads used for minutes a day show minutes of use.

Common appliances on the DELTA 3 Ultra and the E3600LFP
ApplianceWattsDELTA 3 UltraE3600LFP
Phone charging20 W5.4 days5.4 days
Laptop (while charging)65 W40.2 h40.2 h
Wi-Fi router and modemestimate28 W3.9 days3.9 days
LED bulb, 60 W equivalent (800 lumens)8.5 W12.8 days12.8 days
TV, 55 inch LED (LCD)82 W31.8 h31.8 h
CPAP machine (no humidifier)11 W9.9 days9.9 days
CPAP machine with heated humidifier56 W46.6 h46.6 h
Oxygen concentrator (home, stationary)290 W9.0 h9.0 h
Box fan (20 inch)125 W20.9 h20.9 h
Refrigerator (modern, full size)275 W2.0 days2.0 days
Chest freezer300 W3.3 days3.3 days
Sump pump (1/2 HP)925 W2.8 h2.8 h
Drip coffee maker900 W2.9 h of use2.9 h of use
Microwave oven (1,000 W cooking power)1,530 W1.7 h of use1.7 h of use
Electric kettle1,500 W1.7 h of use1.7 h of use
Window air conditioner (5,000 BTU)525 W5.0 h5.0 h
Electric space heater (1,500 W)1,500 W1.7 h1.7 h

Watts vary by model and age. Check the label on your own appliance and enter it for an exact answer.

Specifications

Published specifications of the EcoFlow DELTA 3 Ultra and the Pecron E3600LFP
SpecificationDELTA 3 UltraE3600LFP
Rated capacity3,072 Wh3,072 Wh
Battery chemistryLiFePO4 (lithium iron phosphate)LiFePO4 (lithium iron phosphate)
Cycle lifeNot published3,500 cycles to 80% capacity
Continuous AC output3,600 W3,600 W
Surge rating7,200 W7,000 W
Boost modeX-Boost, up to 4,600 W for resistive loadsNot published
AC outlets5Not published
AC voltage120 V120 V
TT-30 RV outletyesNot published
L14-30 outletnoNot published
USB-C3 ports, up to 140 WNot published
USB-A1 port4 ports
12 V car outletup to 126 WNot published
Wall charging inputup to 1,800 Wup to 3,200 W
Solar inputup to 800 Wup to 2,400 W
Car charging inputup to 96 Wup to 150 W
Expansion batteriesnoyes, up to 18,432 Wh in total (EP3800-48V)
Backup (UPS) switchover20 ms or fasternot published
Weight72.1 lb (32.7 kg)79.4 lb (36 kg)
Charges down to32 °F (0 °C)32 °F (0 °C)
Runs down to14 °F (-10 °C)-4 °F (-20 °C)
Ingress ratingIP20Not published
Noise25 dBNot published
App connectionWi-Fi, BluetoothWi-Fi
Warranty3 years2 years
240 VNot published240 V only with a second unit linked
Size (box)Not published17.5 × 13.8 × 12.1 in

Solar refill counts 75% of each station's own solar limit reaching the battery; at 4 peak sun hours a day, divide by 4 for days.

The two stations

EcoFlow's page for the DELTA 3 Ultra (opens in a new tab) Pecron's page for the E3600LFP (opens in a new tab)

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