EcoFlow DELTA 3 Ultra Plus + Extra Battery – 5,120Wh

This is a serious backup system on wheels: the EcoFlow DELTA 3 Ultra Plus paired with a DELTA 3 Max Plus Smart Extra Battery, for 5,120Wh of LFP power. It puts out 3,600W continuously (7,200W surge) and runs whisper-quiet, about 25 dB at 600W. It's built for home backup during outages, multi-day events, film production and RVs.

Specs:

• 5,120Wh total (3,072Wh unit + 2,048Wh extra battery)

• 3,600W continuous output (7,200W surge)

• X-Boost runs resistive devices rated up to 4,600W (at reduced power)

• Long-life LFP battery

• 10 ms auto-switch backup for computers, servers, CPAPs and fridges

• About 25 dB at 600W

• Built-in wheels and handle

• App monitoring

What's included: AC wall charging cable. Other cables available on request.

Free pickup in Irwindale, CA by appointment.

Round-trip delivery (drop-off and pickup):

• Up to 10 miles: $60

• Up to 25 miles: $90

• Up to 50 miles: $120

24 hours' notice preferred.

Every unit is tested and fully charged before each rental, so it's ready the moment you need it. Not sure which size you need? Message us with what you want to power and for how long, and we'll point you to the right unit.

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FAQs

1. What can it power? A whole set of essentials at once: fridge and freezer, lights, Wi-Fi, TVs, a microwave, a coffee maker, power tools, medical devices and RV appliances. It handles up to 3,600W combined, or up to 4,600W for resistive devices on X-Boost.

2. How long will it run? Roughly 1.5 to 2 days for a typical fridge on its own, about 14 hours for a 300W event booth, and about 4 hours at a steady 1,000W. These are estimates and the real number depends on your devices.

3. How do I charge it? It comes fully charged. To top up, plug the included AC cable into a standard wall outlet with the extra battery connected, and both charge together.

4. Pickup or delivery? Free pickup in Irwindale by appointment; it rolls on its own wheels. Round-trip delivery costs $60 (up to 10 mi), $90 (up to 25 mi) or $120 (up to 50 mi), and we set it up where you need it.