- 2400w ac output, up to 3100w with x‑boost, powers 99% home appliances.
- Ultra‑fast charging: 80% in 43 mins with ac + solar, 53 mins via ac only.
- Expandable capacity from 2kwh to 6kwh with extra batteries.
- Long‑life lfp battery: 3000 cycles to 80% capacity, lasts ~10 years.
- 3‑in‑1 800w alternator charger: fast recharging, battery maintenance & jump start.
Ecoflow delta 2 max power station with maximum 2400w ac output & built in 2048wh (170ah@12v) battery capacity.
Core features
1.expandable capacity: 1900wh capacity (158ah@12v) to fit your energy storage needs. Ideal for home backup, caravanning, outdoors or even everyday use.
2.built to last 6× longer: get 10 years of daily use until hitting 80% of its original capacity. That's down to its lfp battery chemistry giving you 3000 cycles.
3.huge ac output: with x-boost mode, get up to 3100w output power to run 99% of home appliances. Power 13 devices at once, including 4 ac outlets.
4.fastest recharging: world's fastest ac recharging and x-stream dual ac+solar charging speeds. Up to 1000w solar input to charge in as fast as 2.3 hours.
5.capture more energy: 99% mppt efficiency maximises solar generation during the daytime.
6.customised in-app energy management: prioritise solar or ac charging, view input and output power, battery levels and more.
7.5-year warranty: 24+36 (registration for warranty extension)
1. Industry's first drive & charge portable power solution
never run out of power on your road trips with the ecoflow 800w alternator charger. Utilize the excess energy generated by your vehicle to turn every minute on the road into a free battery recharge.
2. The world's fastest 43 minute ac+solar recharge
fuel up 80% in only 43 mins*
with delta 2 max's upgraded tech, combine up to 1000w solar input with ac for world-leading charging speeds. In only 43 min get an 80% charge. Or stick with ac for an 80% charge in a speedy 53 mins.
*when combined ac and solar input is 2400w using 1800w ac input and a maximum of 600w solar input.
3. Maximize solar generation by harnessing multiple pv sources
dual solar input system with independent mppt technology
maximize the potential of solar energy by simultaneously utilizing multiple photovoltaic (pv) sources with our innovative dual solar input design, each with its independent maximum power point tracking (mppt) technology. Enjoy a seamless integration of solar power into your home or business whether you have multiple solar panels or a combination of rooftop and ground-mounted installations, making the most of every ray of sunshine.
4. Run 99% of appliances with x-boost
power pretty much anything with up to 3100w output.
Delta 2 max powers almost all the devices you need with a large 2400w ac output. Plus, with x-boost proprietary technology, run appliances with an output of up to 3100w. Compared with other power stations, delta 2 max can power more devices, while still preventing overloading and overheating.
5. Plug-and-play home backup power solution
power through outages
power your essential appliances with a hefty 2400w ac output by connecting delta 2 max (2kwh) and up to two smart extra batteries (6kwh) with your home's transfer switch for partial home backup. With a plug-and-play design, it's easier than ever to prepare for blackouts.
(1) rving & outdoors: power for the entire family
2048wh capacitya generous 2048wh capacity makes delta 2 max ideal for home backup, running your essentials for hours. With its lightweight design, delta 2 max is portable enough to grab and go on the next camping trip.
(2) home backup: power for the entire family
2048wh capacitya generous 2048wh capacity makes delta 2 max ideal for home backup, running your essentials for hours. With its lightweight design, delta 2 max is portable enough to grab and go on the next camping trip.
(3) professional work: power for the entire family
2048wh capacitya generous 2048wh capacity makes delta 2 max ideal for home backup, running your essentials for hours. With its lightweight design, delta 2 max is portable enough to grab and go on the next camping trip.*data based on a 120w refrigerator.
(4) filmmaking & photography: power for the entire family
2048wh capacitya generous 2048wh capacity makes delta 2 max ideal for home backup, running your essentials for hours. With its lightweight design, delta 2 max is portable enough to grab and go on the next camping trip.*data based on a 120w refrigerator.
6. Expandable up to 6kwh
triple the power
take delta 2 max with you anywhere as a solo unit or connect it with two extra batteries for up to 6kwh of home backup.
7. As quiet as 30 db
peaceful charging
at only 30 db, delta 2 max is quieter than other 2kwh power stations on the market.*from a distance of approximately 20 in., noise level is 30 db (with low input and 500w output) vs. Other power stations with 55 db or higher.
8. 10-year long-lasting lfp battery
durable, safe, lightweight
with its upgraded lfp battery chemistry, delta 2 max has a lifespan of 3000 complete cycles until it reduces to 80% capacity. You'll get pretty much 10 years of power, even if you use it every day. That's 6× longer than other power stations with a similar capacity and output.
9. Lfp battery chemistry
that's 6× longer than other power stations with a similar capacity and output.
10. Advanced bms protection
a built-in battery management system regulates vitals, including voltage, current, and temperature, keeping delta 2 max safe, secure, and built to stand the test of time.
11. What's in the box
delta 2 max
ac charging cable
car charging cable
dc5521 to dc5525 cable
user manual & warranty card
12. Specs
category details
capacity 1900wh (158ah@12v)
ac output 4 outlets, 2400w total (surge 4800w)
usb-a output 2 ports, 5v, 2.4a, 12w max per port
usb-c output 2 ports, 5/9/12/15/20v, 5a, 100w max per port
dc5521 output 2 ports, 12.6v, 3a, 38w max per port
ac input voltage 220-240v~10a 50hz/60hz
car charging support 12v/24v battery, 8a
cycle life 3000 cycles to 80+% capacity
dimensions 497 × 242 × 305 mm / 19.6 × 9.5 × 12 in
net weight (kg) 23 kg
extra battery supports up to two delta 2 max smart extra batteries / delta max smart extra battery
max device(s) power (with x-boost) x-boost 3100w
usb-a fast charge 2 ports, 5v, 2.4a / 9v, 2a / 12v, 1.5a, 18w max
car power output 1 port, 12.6v, 10a, 126w max
ac charging x-stream fast charge 2300w, 10a
solar charging 11-60v 15a, single port 500w; dual port 1000w
battery chemistry lfp (lifepo4 battery)
connectivity wi-fi & bluetooth
net weight (lbs) 50 lbs
ecoflow 3-in-1 fast dc-dc 800w alternator charger for portable power stations
8x faster than a cigaretter lighter charger
the 800w alternator charger replenishes 1kwh to a portable power station within a 75-minute drive. It capitalizes on surplus alternator energy, enabling you to power essential devices like phones, coffee makers, and lights while on the move.
3-in-1 functional design
three integrated features that charge your portable power station, keep your vehicle battery in peak condition and act as a jump starter when you need it most.
easy-to-install system
enhance your overlanding and vanlife with ecoflow power stations. 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.
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 your entire vehicle, from temperature to appliance power.
in the box
1x ecoflow 800w alternator charger
1x installation board
1x cable puller
1x m6 nut
1x m5
1x m6
1x input cable (5m)
1x xt60 output cable (1m)
1x fuse cable
1x st5.5
1x manual & warranty card
specs
dimensions (w × d × h): 242×194×35 mm
net weight: 2.3kg
wi-fi - frequency: 2402mhz-2480mhz / maximum output power: <20dbm
bluetooth - frequency: 2402mhz-2480mhz / maximum output power: <10dbm
charging mode
input: 11v-31v, 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.
protection type
reverse polarity protection
overcurrent protection
short circuit protection
overvoltage protection
undervoltage protection
fuse's rated current: 125a
operating temperature: –20℃ to 60℃
storage temperature: –30℃ to 70℃
operating humidity≤95%
storage humidity≤95%