Plug and play home backup power

A transfer switch is a device that switches a load between Grid Power and Backup Power, simply connect EcoFlow Portable Power Station to your main panel via a Transfer Switch for instant home backup (Transfer Time 1~2s).
*Picture for reference only, subject to our available products.
*AC Plug Cable is needed to connect Power Station with Transfer Switch, and be provided by the electrician.

Learn more about how to backup your home with our Portable Power Station and Transfer Switch: Whole-Home Backup Kit User Guide

EcoFlow DELTA 2 is a must-have for any home that puts power security & comfort first. Ensure you're prepared with the power station made for almost any situation your family could find themselves in. All while staying green.

Make it a triple. Expand capacity.

With a capacity of 1kWh to start with, you've got enough energy for your essentials for hours on end. Need even more? Add on the DELTA 2 extra battery to reach 2048Wh, or add on the DELTA Max Extra Battery to hit 3040Wh. Great for home backup or everyday appliances.

Use an extra battery to expand capacity. Great for extended power outages, long camping trips, or your RV.	2kWh with 1x DELTA 2 Extra Battery	3kWh with 1x DELTA Max Extra Battery
DELTA 2	DELTA 2 Extra Battery	DELTA Max Extra Battery

Use an extra battery to expand capacity. Great for extended power outages, long camping trips, or your RV.
2kWh with 1x DELTA 2 Extra Battery
3kWh with 1x DELTA Max Extra Battery
DELTA 2	DELTA 2 Extra Battery	DELTA Max Extra Battery

Power pretty much anything.

A 1800W AC output means you can power more than 90% of your home appliances. That's your microwave, fridge, or even coffee maker covered in a blackout. Or, try plugging in up to 13 devices at once for when you're around the table with the family. Unlike other brands, DELTA 2 can prevent overloading from devices up to 2400W thanks to X-Boost technology.

Go green without sacrificing speed.

Pair with solar panels and charge in as fast as 3-6 hours with 1x400W, 2x220W portable solar panels. With its MPPT (Maximum Power Point Tracking) smart algorithm, DELTA 2 can actively detect the voltage and current in real-time to reach the maximum power point with >98% efficiency. That means a more efficient charge than other brands.

Pick from a range of solar panels to get the speed you need (110W, 160W, 220W, 400W). With that, you've got access to free energy anywhere.

Built to last 6x longer.

Finally… tech that's made to last. Get years of regular use until hitting 80% of its original capacity. That's down to its LiFePO4 battery chemistry giving you 3000+ full charge and drain cycles.

Safety first

DELTA 2's built-in battery management system regulates vitals to keep it safe, secure, and built to stand the test of time.

Ready for emergencies.

Use as an EPS (emergency power supply) to auto-switch to battery power when the grid goes down. Great for blackouts to keep your essentials running.

Control from anywhere.

Use the EcoFlow app to control your DELTA 2 from anywhere using Wi-Fi. Link with Bluetooth when off-grid. Either way, you can check charging data, customize settings and adjust the charging speed with ease.

Part of an ever-growing ecosystem.

DELTA 2 is just the start. Link with a wide variety of EcoFlow products such as portable solar panels, the Wave portable air conditioner, extra batteries and so much more. All to deliver a one-stop power solution for your family.

 

What's in the box

1. DELTA 2 2. AC charging cable 3. Car charging cable 4. DC5521 to DC5525 cable 5. User manual 6. App quick start guide 7. Warranty card

*The solar to XT60 charging cable is included only with purchase of EcoFlow portable solar panels.

Frequently Asked Questions

What is the warranty for the Ecoflow transfer switch?

The EcoFlow transfer switch comes with a 1-year warranty.

How do you install the transfer switch?

There are wiring diagrams and a how-to video of the installation and operating instructions for reference.

What are the issues with installation that I need to be aware of?

Firstly, installation of the transfer switch should be done by a licensed electrician or a qualified professional who will issue you a Certificate of Compliance (COC) afterward so that the insurance company won't repudiate any electrical-linked claims in the future. Secondly, to avoid the unit tripping out, you can discuss with your electrician which circuits or appliances should be excluded based on your electricity consumption and the power station capacity you own, such as the stove, geyser, and pool pump. Last, be aware of putting the transfer switch into a box to prevent electric shock. It is only viable with indoor circuit breaker panels.

How much will the installation of the transfer switch cost?

Generally, the installation costs include labour, traveling, cabling, protection box, and COC. It varies with many factors like traveling distance and the length of cable. The exact installation cost will need to be estimated by an electrician based on the specifics of your home's electrical circuits. We highly recommend that you source different electricians and get comparative quotes.

Where can I find a licensed electrician?

We have authorized some qualified installers in most of Johannesburg and Cape Town. Please contact us Monday to Friday, 8:30 a.m. to 5 p.m. GMT+2 at +27 80 088 0002 (toll-free) or support.za@ecoflow.com for more information. If you live elsewhere or aren't satisfied with the installation price, you can also go to our Facebook community and leave your question. There are many enthusiastic EcoFlow users who can help you.

Can I install the transfer switch myself?

Installation of the transfer switch should be done by a licensed electrician or a qualified professional.

Will it cause damage to EcoFlow Portable Power Stations when overloading in powering loads in the house?

EcoFlow Portable Power Stations have safety mechanisms to prevent overloads. And it's also crucial to exclude high-power appliances or circuits.

How long does the transfer switch, switch a load from utility power to backup power when load shedding occurs?

The transfer time is about 1 second. This transfer time may seem long, but it actually provides two important benefits. Firstly, it helps to prevent voltage surges that could otherwise harm your household appliances during sudden power fluctuations, which is crucial for protecting your appliances. Secondly, this transfer time is crucial for our products' longevity and safe operation.

What's the difference between Transfer Switch and Smart Home Panel?

a.Transfer Switch is divided into MTS and ATS, MTS is a manual switch, ATS is an automatic switch; SHP is an automatic smart switch, which can monitor the power consumption of each open circuit and control it remotely at the same time;Understand the situation of each line more accurately
b.Capacity difference: SHP has two ports and can be connected to 2 groups of DP (each group of DP can be connected to 2*DP EB); TS can be connected to a group of DP or a whole group of Power hub+LFP.
c.Different cables: SHP uses EF's unique Infinity cable (Delta Pro ONLY); TS uses Generator cord;
d. SHP can only connect to DELTA Pro, Transfer Switch can connect to all power stations (if power is satisfied).

Specs

Capacity

1024 Wh

Extra Battery

Support one DELTA 2 extra battery or DELTA Max extra battery

AC Output

4 outlets, 1800W total (Surge 2700W)

Max Device(s) Power (with X-Boost)

2400W

USB-A Output

2 ports, 5V, 2.4A, 12W Max

USB-A Fast Charge

2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max

USB-C Output

2 ports, 5/9/12/15/20V, 5A, 100W Max

Car Power Output

1 port, 12.6V, 10A, 126W Max

DC5521 Output

2 ports, 12.6V, 3A, 38W Max

AC Charging

1200W

Solar Charging

11-60V, 15A, 500W max

Car Charging

Support 12V/24V battery, 8A

DC Charging

1100W

Battery Chemistry

LFP (LiFePO4 battery)

Cycle life

3000 cycles to 80+% capacity

Connectivity

Wi-Fi & Bluetooth

Dimensions

15.7 x 8.3 x 11 in / 400 x 211 x 281 mm

Net Weight

27 lbs / 12 kg

Specs of Transfer Switch

Operation Mode

Auto/Manual

Poles

2P

Rated Current

63A

Transfer Time

1Sec

Electrical Life

1,500 times

Short-circuit switching (breaking) capacity

5kA

Phase

Single phase

Operating Frequency

50HZ/60HZ

Rated Voltage

AC 230V

Operating Temperature

-5℃~40℃

Mechanical Life

6,000 times

Short-circuit switching (making) capacity

7.65kA