As part of its ongoing RV Season Sale that will run through the rest of May, EcoFlow has also launched a 48-hour Memorial Day flash sale with up to 57% savings on four power stations ranging from 716Wh to 12.2kWh. Among the group is the return 2,048Wh bundle of EcoFlow’s DELTA 3 Max Portable Power Station with a 500W alternator charger for $949 shipped, beating Amazon’s pricing by $50. We saw this same bundle offered a week ago in a similar flash sale window coming down from its $1,848 full price direct from the brand, though it’s been consistently keeping around $999 elsewhere, like at Amazon. The deal here gives you the second-lowest price we have tracked overall (behind a one-time fall to $848 in November) and the best price in 2026. You can also find flash savings on the 716Wh RIVER 2 Pro 700, the 3,072Wh DELTA 3 Ultra, and an expanded 12.2kWh DELTA Pro Ultra bundle through May 26.
If you are planning any roadtrips or camping trips with some travelling between home and your destination, this DELTA 3 Max power station bundle from EcoFlow is a solid option to get more continuous rolling power support for devices and small appliances, thanks to the alternator charger. The station itself brings a 2,048Wh LiFePO4 capacity to your adventures, which conveniently offers a wider range of expansion options by using batteries from the DELTA 3, DELTA Pro 3, DELTA 2 Max, or DELTA 2 to scale up to a maximum 10,240Wh capacity.
Through its nine output ports (4x AC, 3x USB-C, 1x USB-A, and 1x car port) this station provides up to 2,400W of steady power and surges up to 4,800W. Aside from the alternator recharging option you get from this bundle, you’ll also have options for AC outlet recharging, a connection for a gas generator source, or you can use up to 500W of solar panel input.
EcoFlow Memorial Day flash sale offers (through May 26):
- RIVER 2 Pro 700 (716Wh) power station: $349 (Reg. 649) | station only at Amazon
- comes with FREE 65W GaN charger ($59 value)
- DELTA 3 Max (2,048Wh) with 500W alternator charger: $949 (Reg. $1,848) | $50 more at Amazon
- DELTA 3 Ultra (3,072Wh) power station: $1,099 (Reg. $2,499) | $500 more at Amazon
- DELTA Pro Ultra (12.2kWh) with extra battery: $5,599 (Reg. $9,397) | $3,200 more at Amazon
- comes with FREE trolley ($299 value)
We’ve got tons of other Memorial Day (and other) sales collected together for you in our dedicated power stations hub, like the full lineup of EcoFlow’s RV Season Sale deals in our original coverage here.
EcoFlow DELTA 3 Max Portable Power Station features:
- 2400W Powerful Output: 4800W surge output. With X-Boost™ mode, it supports heavy-duty appliances up to 3400W such as refrigerators, coffee makers, washers, and circular saws.
- 4 Ways to Charge, Ready in Just 68 Mins: Ready in 68 mins (0-80%) with Wall Charging or Generator Charging.
- Lightweight and Easy to Carry: Weighing just 20.3 kg, 13% lighter than the previous generation 2kWh product.
- Long-Lasting, Durable, and Reliable: Equipped with automotive-grade full-tab LFP cells, offering 10 years of reliable power, 24/7 protection BMS, and EV-grade CTC structure that protects against overnight condensation and off-road bumps during transport.
- 10ms Auto-Switch: Fast enough to keep critical devices like NAS systems and servers running smoothly.
- 25dB Whisper-Quiet Operation: Ultra-low noise (≤25dB at 600W).
- OASIS 3.0 Smart App Control: Dashboard to monitor real-time battery status, electricity prices, and savings. Storm Guard Mode automatically activates backup power before extreme weather hits. Self-Powered Mode and Scheduled Tasks save you money daily.
- Up to 5-Year Warranty: Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.
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