A variant of the DELTA 3 focused on critical backup: 10ms battery switchover (true UPS), charging from the car via an 800W alternator, and storm alerts with 12 hours of advance warning. Same capacity (1024Wh, 1800W).
Our own read for home backup during a power outage, comparable across units in the catalog. Not Amazon buyers' rating. How we score →
The DELTA 3 built as a true UPS, with car charging as a bonus.
Best use case
Anyone who wants the same 1024 Wh as the DELTA 3 but focused on not losing a single second of power (UPS) and the ability to charge from the car.
Same 1024 Wh and 1800W as the DELTA 3, but focused on critical backup: switches to battery in 10 milliseconds (works as a true UPS for things that can't lose data during an outage) and adds charging via the car's alternator (800W) as a fifth way to recharge it.
The choice between the two comes down to which feature you value more — this one adds the 10ms UPS and car charging.
Ideal for: Anyone who wants the same 1024 Wh as the DELTA 3 but focused on not losing a single second of power (UPS) and the ability to charge from the car.
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How long EcoFlow DELTA 3 Plus can power each device in a row, calculated with the same efficiency range (80%–90%) as the runtime calculator.
Direct calculation by battery capacity (same 80%–90% efficiency range as the runtime calculator) — updates automatically as more electric mobility products are added.
BLUETTIBLUETTI AC180 (1152Wh, 1800W, up to 2700W) with a 200W solar panel included. A direct competitor to EcoFlow's DELTA 3, with more capacity and a battery switchover of up to 10ms that works as a UPS.
EcoFlowThe same DELTA 3 Classic, but with a 220W solar panel instead of 110W — solar recharge in 5.8 hours instead of 11.6.
BLUETTIUltra-slim station (75mm) designed specifically to install behind a refrigerator and keep it running during a power outage. 2016Wh, 1800W.
EcoFlow DELTA 3 Plus
4.4/10 PowerLight rating