S5000
- you want the most runtime: 5,024Wh
- you’ll cycle it daily: 6,000 cycles
- it costs $299.01 less today
DELTA Pro 3
- you run 12V gear: 30A Anderson
- you want the Smart Home Panel 2
- it may sit in a damp garage: IP65 battery
Prices and stock checked by our price engine on November 5, 2026 at 7:29 AM EST. Each product is rechecked several times a day; the time refreshes when you load the page.
The newer box holds more and is rated for more cycles. What it gave up is the 12V port.
The Anker SOLIX S5000 stores 5,024Wh, delivers 4,500W at 120V or 240V, takes 3,000W of solar and is rated for 6,000 cycles, at 97 lb, for $299.01 less. The EcoFlow DELTA Pro 3 stores 4,096Wh and delivers 4,000W at 120V and 240V, but keeps what the S5000 drops: a 30A Anderson 12V port, an IP65-sealed battery and EcoFlow’s Smart Home Panel 2. Both switch in 10ms and take extra batteries.
Below: every difference with numbers, a 20-second calculator for your own gear, seven modeled situations, a third option, and what published tests found on each.
The S5000 costs $299.01 less, stores 928Wh more, delivers 500W more, takes 400W more solar, is rated for 2,000 more cycles and weighs 16.5 lb less. The DELTA Pro 3 keeps a 12V Anderson port, more USB, an IP65 battery pack and a home panel.
- you want 5,024Wh in one box
- you cycle it: 6,000 cycles
- you charge from 240V at 4,500W
- you run 12V gear
- you want the Smart Home Panel 2
- it lives in a garage: IP65 pack
The five differences that decide it
Both deliver 240V from one unit, have a TT-30 and an L14-30, switch to battery in 10ms, roll on wheels and take extra batteries. These five gaps decide it.
Will it run your setup? Check in 20 seconds
Estimates use 85% usable capacity and 70% of rated solar output. Real results vary with temperature, inverter load, shade and appliance cycling. Fridge and freezer watts are daily averages and do not include compressor startup surges.
Runtime by appliance, one at a time
Simple energy estimates, not measured runtimes. About 4,270Wh usable on the S5000 and 3,482Wh on the DELTA Pro 3; OutdoorGearLab measured 3,790Wh from the DELTA Pro 3.
Appliance for appliance, the S5000 lasts 23% longer than the DELTA Pro 3.
Same appliance, same watts: the gap is always the size of the battery.Get our Black Friday alerts for power stations
We track live prices on 40+ models from Jackery, EcoFlow, BLUETTI and Anker SOLIX. When a deal beats the lowest price we've recorded, you'll hear from us. During Black Friday week, one short recap a day at most.
Unsubscribe in one click. We may earn a commission when you buy through our links, at no extra cost to you. Privacy Policy
The price gap, in numbers
The Anker SOLIX S5000 costs $299.01 less than the EcoFlow DELTA Pro 3 and still holds 928Wh more.
Prices refresh daily from Anker US and EcoFlow US.The S5000 is the bigger battery with the higher cycle rating; the cards above compare cost per Wh and per cycle at today’s prices. The DELTA Pro 3’s premium buys its ports and its ecosystem: the 12V Anderson outlet, more USB, the IP65 battery pack, the Smart Home Panel 2 and generator auto start.
The third option: the Anker SOLIX F3800 Plus at $2,599.99
Anker SOLIX F3800 Plus: $2,599.99 today
If 4,500W is not enough: 3,840Wh with 6,000W at 120V and 240V, 3,200W of solar, a TT-30R and an L14-30R, and up to six BP3800 batteries. Unlike the S5000 it works with Anker’s Home Power Panel and has a 12V car socket, at 135.6 lb. Pick it for whole-home circuits with big 240V loads. Our Anker SOLIX buying guide goes deeper. See the F3800 Plus at Anker.
Seven modeled situations, worked out
Same formula as the calculator above, with no expansion battery. The fridge averages 60W, about 525kWh a year, in the range printed on typical EnergyGuide labels; that average does not include compressor startup surges.
24-hour outage, essentials only
Both cover more than a day and a half; the S5000 lasts about nine hours longer. ESS News ran a large fridge plus phones for 61.5 hours on one during a real PG&E shutoff.
A 240V well pump
Both deliver 240V from one unit. The S5000’s guide says it delivers 120V or 240V, not both at once, so plan which circuits share the inlet. The DELTA Pro 3 lists an 8,000W surge, the S5000 8,000W for one second.
A window AC through a summer night
Both get through the hottest hours of a night, the S5000 about an hour and a half longer. ESS News ran a portable air conditioner at about 1kW for more than four hours on the S5000; The Gadgeteer ran a 12,000 BTU unit in a garage gym on the DELTA Pro 3.
Home office through an outage
Two workdays on both. Both switch in 10ms; Bob Vila’s desktop PC kept running when the S5000 was unplugged from the wall.
Refill from solar, each at its maximum
About the same time, with more energy banked on the S5000. Both split solar into a high-voltage and a low-voltage input: up to 165V on the S5000, 150V on the DELTA Pro 3.
Recharging from a 240V outlet
Both refill in under two hours from 240V; TechRadar confirmed the DELTA Pro 3’s 50 minutes to 80%. On a 120V outlet, the S5000 slows to 12A after about three hours; Bob Vila measured 3.5 hours to full.
An RV or van with 12V gear
Both have a TT-30 for the RV cord. Only the DELTA Pro 3 feeds 12V gear directly, through its 30A Anderson port; with the S5000 you need a 120V to 12V converter.
Nine more differences, the spec sheet and the box
Smaller gaps that rarely decide the purchase, then the full specifications and what ships in the box.
S5000 and DELTA Pro 3 weight, dimensions and full specifications
Weight: 97 lb for the Anker SOLIX S5000 and 113.5 lb for the EcoFlow DELTA Pro 3. Dimensions: 10.6 × 22.0 × 15.2 in and 16.16 × 13.43 × 27.28 in. Everything else is in the sheet below.
Anker SOLIX S5000 and EcoFlow DELTA Pro 3 full specifications
Every published figure for both units, grouped. Green marks the better value.
What’s in the box
S5000
- S5000 power station5,024Wh, 97 lb
- AC charging cable
- User guide
- Solar cables sold separately
DELTA Pro 3
- DELTA Pro 34,096Wh, 113.5 lb
- AC charging cable
- Manuals and warranty card
- Extra battery sold separately
From the S5000 user guide and the EcoFlow US DELTA Pro 3 page.
07 · ChargingHow fast each one refills
Shorter bar, faster refill. Each row is scaled to its slower unit.
S5000: up to 4,300W combined on a single unit; ESS News saw 1.79kW for 2 h 49 at 120VDELTA Pro 3: Smart Generator auto start, EV-station charging with an adapter
Our solar times divide capacity by 70% of the panel rating; real charging slows near full.
Every port, side by side
S5000
DELTA Pro 3
Practical consequence: both have 20A household outlets, a TT-30 and an L14-30. The DELTA Pro 3 adds a 6-20R, a 30A Anderson port and more USB; the S5000 has no 12V output at all.
09 · NoiseNoise and heat: S5000 vs DELTA Pro 3
Both are rated around a whisper: Anker gives the Anker SOLIX S5000 under 30dB at 2,000W, and EcoFlow says the EcoFlow DELTA Pro 3 runs as low as 30dB. OutdoorGearLab didn’t notice the DELTA Pro 3’s fan overnight.
Neither figure has been confirmed by an independent dB measurement we could find.Every figure we found, with its source
What reviewers heard: Charging was very quiet, even quieter than the smaller S2000 (ESS News); nearly silent running a portable AC, but the fans hum noticeably as the load rises (Bob Vila).
What reviewers heard: Ran overnight with CPAP machines and heaters without the fan being noticed, louder only near its 4,000W maximum (OutdoorGearLab); used through a heat wave routinely above 90°F (Digital Trends).
Measured by a tester Brand figure
- Charge at a lower rate in the app if the unit sits near a bedroom.
Cold and heat: S5000 vs DELTA Pro 3
For a cold garage, the Anker SOLIX S5000 keeps running down to −4°F; for heat, the EcoFlow DELTA Pro 3 is rated to 113°F. Neither charges below freezing; only the DELTA Pro 3’s battery pack is sealed, IP65, and its main unit is IP20.
Figures from the S5000 user guide (AS510) and the EcoFlow US DELTA Pro 3 page.- Charge either one indoors in winter: neither charges below 32°F.
App, UPS and smart features
The EcoFlow DELTA Pro 3 does more with a home: the Smart Home Panel 2 and automatic generator start. The Anker SOLIX S5000 answers with Storm Guard and room for five extra batteries.
Same 10ms UPS and time-of-use scheduling on both.Green zone: a switch under about 16ms, which most desktop PCs ride through without restarting.
Can it start a generator by itself? The EcoFlow DELTA Pro 3 starts an EcoFlow Smart Generator automatically; Anker lists no such feature for the Anker SOLIX S5000.
Does it prepare for storms? The Anker SOLIX S5000’s Storm Guard uses local weather alerts to recharge at full speed before severe weather, ignoring preset limits; no storm mode is listed for the EcoFlow DELTA Pro 3.
Does it work as a UPS? Both switch to battery in 10ms; Bob Vila’s PC kept running on the Anker SOLIX S5000, and TechRadar used the EcoFlow DELTA Pro 3 as a UPS for critical appliances.
Does it connect to a home panel? The EcoFlow DELTA Pro 3 pairs with the Smart Home Panel 2, with app control of up to 12 circuits, and feeds a transfer switch from its L14-30. The Anker SOLIX S5000 feeds a transfer switch or an inlet box from its L14-30R, but not Anker’s Home Power Panel or the E10 system.
Can it charge off-peak? Both schedule charging by time of use; the Anker SOLIX S5000 handles on-peak, mid-peak, off-peak and super off-peak periods.
Can you add a battery later? The Anker SOLIX S5000 takes up to five BP5000; the EcoFlow DELTA Pro 3 up to two Extra Batteries, with EcoFlow quoting systems to 48kWh.
How does the app connect? Both use their brand’s app over Wi-Fi and Bluetooth. On the EcoFlow DELTA Pro 3, an external GFCI protector only works once its support switch is turned on in the app.
Warranty and support
Anker lists the Anker SOLIX S5000 at 5 years. The EcoFlow DELTA Pro 3 also reaches 5, but EcoFlow’s product page splits them into 3 standard plus 2 on app registration, while its US warranty table lists 5 with no condition.
We take the cautious reading for the DELTA Pro 3: register it to be safe.Subject to each brand’s warranty terms and eligibility.
Anker rates the S5000 at 6,000 cycles to 80% and EcoFlow the DELTA Pro 3 at 4,000: about 16 and 11 years at one full cycle a day. Calendar aging and heat also reduce capacity.
- If you choose the DELTA Pro 3, register it in the EcoFlow app: EcoFlow’s two pages disagree on whether the last 2 years need it.
- The S5000 needs no step we could find: Anker states no S5000-specific registration condition.
What reviewers report
We have not lab-tested these two units. Here is what 8 published reviews found, with the source, author and date for each point. Reviews of UK and EU units are flagged: those models charge from 230V outlets and have different sockets, so their charge times and outlet findings don’t carry over to US units.
S5000: ESS News (pv magazine group) (October 2026), Bob Vila (October 2026)DELTA Pro 3: Digital Trends (June 2024), OutdoorGearLab (January 2026), TechRadar (March 2025), RV.com (July 2024), The Gadgeteer (October 2024), Techspective (July 2025)
Usable capacity
- S5000Reviewer On a full discharge the app reported 4.87kWh delivered, about 97% of the 5,024Wh nameplate; output was not independently metered. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer During a real PG&E shutoff it ran a large fridge plus phones for 61.5 hours, from 100% down to 18%. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer Running a home refrigerator until the battery was empty, it lasted around 86 hours, matching Anker’s claim. Bob Vila, Paul Rankin, October 2026
- DELTA Pro 3Reviewer Averaged 3.7kWh of discharge over several cycles, a little under the 4kWh rating. Digital Trends, Simon Sage, June 2024
- DELTA Pro 3Reviewer Test jig measured 3,790Wh from the 4,096Wh battery, over 93%, well above average for power stations. OutdoorGearLab, Kenji Mowrey, January 2026
Charging
- S5000Reviewer Charging at the 1,800W setting from 120V, wall draw held near 1.79kW for 2 h 49 min, then dropped to about 1.43kW for the last 50 minutes. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer A full charge pulled 6.24kWh from the wall, giving roughly a 78% round trip based on the app’s discharge reading. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer At the 1,000W setting the charge took 65% longer but used only 1.7% less wall energy. ESS News (pv magazine group), Andrew Riha, October 2026
- DELTA Pro 3Reviewer A full charge from empty drew close to 5kWh from the wall and took about three hours. Digital Trends, Simon Sage, June 2024
- DELTA Pro 3Reviewer Never reached the full 1,800W input on a 15A outlet: peak near 1,600W, average 1,293Wh per hour, full charge within 3 hours. OutdoorGearLab, Kenji Mowrey, January 2026
Noise and heat
- S5000Reviewer Charging was very quiet, even quieter than the smaller S2000; the reviewer did not measure decibels. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer Nearly silent running a portable AC, but the cooling fans hum noticeably as the load rises. Bob Vila, Paul Rankin, October 2026
- DELTA Pro 3Reviewer Used through an East Coast heat wave, routinely above 90 degrees F, which let the reviewer test its operating limits. Digital Trends, Simon Sage, June 2024
- DELTA Pro 3Reviewer Ran overnight with CPAP machines and heaters without the fan being noticed; fan gets louder only near its 4,000W maximum. OutdoorGearLab, Kenji Mowrey, January 2026
UPS and output
- S5000Reviewer A portable air conditioner ran for more than four hours at about 1kW with no problem. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer There is no 12V DC output, which RV and van setups often expect. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer Unplugging the S5000 from the wall while it powered a desktop PC caused no interruption. Bob Vila, Paul Rankin, October 2026
- DELTA Pro 3Reviewer Reviewer pushed it to add charge to a Tesla, and says it can run an industrial popcorn machine for hours. TechRadar, Collin Probst, March 2025
- DELTA Pro 3Reviewer Used as a UPS and home backup; the reviewer cites EcoFlow’s 10ms switchover for critical appliances. TechRadar, Collin Probst, March 2025
Daily use and issues
- S5000Reviewer With 120V output on and nothing plugged in, it lost 5% charge in 24 hours, about 10W, in line with Anker’s 8.8W idle rating. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer Plugged in and full, it kept drawing about 7W from the wall, roughly 60kWh a year. ESS News (pv magazine group), Andrew Riha, October 2026
- S5000Reviewer The E10 Smart Generator cable would not fully seat in this pre-release unit, so generator charging was not tested. ESS News (pv magazine group), Andrew Riha, October 2026
- DELTA Pro 3Reviewer At 115 lb, the reviewer says it barely counts as portable. Digital Trends, Simon Sage, June 2024
- DELTA Pro 3Reviewer Measured weight 114.1 lb, versus 97.5 lb for the original DELTA Pro. OutdoorGearLab, Kenji Mowrey, January 2026
Practical limits before you buy
- The S5000 has no 12V output. RV and van setups need a converter.
- The S5000 delivers 120V or 240V, not both at once, per its user guide.
- The S5000 slows to 12A on a 120V outlet after about three hours; full speed needs 240V.
- The S5000 doesn’t work with Anker’s Home Power Panel or the E10 system.
- The DELTA Pro 3’s 3,600W charging needs a 240V outlet; 80% in 50 minutes needs X-Stream fast charging.
- Only the DELTA Pro 3’s battery pack is IP65. The main unit is IP20.
- Both are heavy. 97 lb and 113.5 lb: wheels help on flat floors; ESS News found the S5000 prone to tipping on grass.
- Register the DELTA Pro 3 in the EcoFlow app the day it arrives.
- S5000, per its US documentation: 120V AC charging: 1,800W max for under 3 hours, 12A (about 1,440W) continuous; 240V AC charging up to 4,500W.
- S5000, per its US documentation: The outputs do not support simultaneous 120V and 240V output.
- S5000, per its US documentation: Per-port limits: NEMA 5-20R 2,400W, TT-30R 3,600W, L14-30R (240V) 4,500W; all 120V outlets together 4,500W.
- S5000, per its US documentation: Surge peak 8,000W lasts 1 s; SurgePad up to 6,000W for heating loads, not in bypass mode; loads over 4,500W otherwise trip overload protection.
Frequently asked questions
What is the difference between the Anker S5000 and the EcoFlow DELTA Pro 3?
The S5000 stores 5,024Wh, delivers 4,500W at 120V or 240V and is rated for 6,000 cycles, at 97 lb. The DELTA Pro 3 stores 4,096Wh, delivers 4,000W at 120/240V and adds a 12V Anderson port, an IP65 battery pack and the Smart Home Panel 2, at 113.5 lb.
Which is cheaper?
The Anker SOLIX S5000 costs $299.01 less today: $2,499.99, against $2,799 for the EcoFlow DELTA Pro 3. Per Wh, the S5000 is cheaper: $0.50, against $0.68. Prices refresh daily; the price section above has the full breakdown.
Which lasts longer in an outage?
The S5000: about 47 hours on our essentials preset, against 38 on the DELTA Pro 3.
Do both deliver 240V?
Yes, from a single unit through an L14-30. The S5000’s guide says it delivers 120V or 240V, not both at once.
Which is better for an RV?
The DELTA Pro 3, for its 30A Anderson 12V port; both have a TT-30.
Which charges faster?
From 240V, both in under two hours; the S5000 takes 4,500W, the DELTA Pro 3 3,600W. From solar, about the same time.
Which grows further?
The S5000, to 30.1kWh with five BP5000; the DELTA Pro 3 to about 12kWh per unit.
How much do they weigh?
97 lb for the S5000 and 113.5 lb for the DELTA Pro 3, both on wheels.
Related comparisons and reviews
How we compared and sources
Research-based comparison. We have not physically tested these two units. Specs come from Anker and EcoFlow US documentation and the S5000 user guide; usage observations are attributed to named reviewers. Prices and availability were checked on October 30, 2026.
- Specs: Anker US, S5000 with its user guide (AS510) and EcoFlow US, DELTA Pro 3, read on October 30, 2026.
- S5000 outlet count: ESS News.
- Reviewer reports on the S5000: ESS News (pv magazine group), Andrew Riha, October 2026, Bob Vila, Paul Rankin, October 2026; on the DELTA Pro 3: Digital Trends, Simon Sage, June 2024, OutdoorGearLab, Kenji Mowrey, January 2026, TechRadar, Collin Probst, March 2025, RV.com, Kraig Becker, July 2024, The Gadgeteer, Julian Perry, October 2024, Techspective, Tony Bradley, July 2025.
- Runtime = capacity × 0.85 ÷ watts. Solar harvest = min(panel watts, max input) × sun hours × 0.70. Cost per lifetime kWh = price ÷ (cycles × capacity in kWh).
The S5000 stores 928Wh more, is rated for 6,000 cycles and costs $299.01 less; the DELTA Pro 3 keeps a 12V Anderson port, an IP65 pack and SHP2.
Prices checked November 5, 2026 at 7:29 AM EST
Looking at other models? Browse all power station comparisons, or pick any two models on the hub and we point you to the right duel.
Originally published: November 3, 2026