The EcoFlow Delta II is an upgraded portable power station that provides a versatile source of AC and DC power for a wide range of needs. With a 1 kilowatt hour capacity, 6 AC outlets providing up to 1800 watts of power, and a variety of DC outputs, the Delta II offers reliable backup electricity, expanded capacity through connectable batteries, and fast recharging from solar panels or the grid. Whether using it for backup power at home, at a campsite, or on a work site, the Delta II’s upgraded battery chemistry and enhanced features make it a compelling choice for those seeking an eco-friendly and convenient portable power solution. Here are 5 reasons why I like it.
Reason 1: Backup Power
The Delta II provides ample power for emergency or backup situations. With 6 AC outlets on the back, it can supply up to 1800W of continuous power. This is enough to run most appliances and electronics, including things like a microwave, electric griddle, coffee maker, or even a full-size refrigerator.
The Delta II also has a surge capability of 2700W. This burst of power allows it to start up compressors and motors in appliances like refrigerators, chest freezers, or small air conditioners. Once running, these appliances require less sustained power. To test this, I was able to run our full-size refrigerator for over 7 hours on a single charge of the Delta II battery.
So if you’re looking for a backup power solution, the Delta II has the strength and capacity to handle emergency and outage situations, even for larger appliances. The combination of 1800W continuous and 2700W surge power means you’ll have power when you need it most.
Reason 2: LFP Battery
Ecoflow upgraded the batteries inside the Delta II to a chemistry called lithium iron phosphate or LFP for short. This is one of the safest battery chemistries available and is also one of the longest lasting.
The LFP battery pack inside the Delta II is rated for 3,000 cycles to a low of 80% capacity. This means if you fully charged and discharged it once per day, it would take over 8 years before the battery capacity dropped to 80% of the original. The battery won’t stop working at that point, it will just hold less charge. And if you only used a partial cycle per day, the battery could easily last 16 years or more.
So with the LFP batteries, the Delta II offers excellent longevity even with daily use. This makes it a great long-term investment compared to batteries with shorter lifespans.
Reason 3: Portability
One of the best features of the Delta II is how portable it is. When I weighed the Delta II on my scale, it came in at just 25 pounds and 9 ounces. This makes it very easy to pick up and carry around using the two handles on the top. You can even carry it comfortably with just one hand if needed.
The lightweight and compact size means you can easily toss the Delta II into your car, take it camping, bring it to a friend’s house, or take it anywhere that your extension cord doesn’t reach. It won’t weigh you down or take up too much space when transporting. The Delta II gives you portable power on the go for all your needs.
Reason 4: Solar Charging
With the Delta II, you can go solar and charge it up using a compatible solar panel. The Delta II has a maximum solar input of 500 watts. This allows you to invest in a solar panel and harness renewable solar energy to charge up the power station. Once you have the solar panel, the energy you get from the sun is basically free. The 500W solar input capacity allows you to connect a sufficiently large solar panel or multiple panels to maximize solar charging speed.
To test the solar input, I used a 330W panel combined with two 100W panels in series to achieve 449W peak solar input. This shows the Delta II can easily reach the full 500W solar input rating with the right setup. By leveraging solar power, you can reduce your electricity costs and charge up your Delta II using just sunlight. The Delta II’s robust solar capabilities make it easy to utilize solar energy for powering appliances and electronics off-grid.
Reason 5: Speed and Flexibility
The EcoFlow Delta II offers a lot of benefits and flexibility for powering your devices and appliances. One major upgrade is the incredibly fast recharge time. EcoFlow claims the Delta II can recharge from 0% to 80% in just 50 minutes. I tested this and found it took just under 52 minutes to reach 80% charge. Going from empty to 100% took 1 hour and 21 minutes, which is still lightning fast.
This rapid recharge allows you to quickly top up the Delta II during a power outage so you can keep essential appliances running. The fast recharge applies whether you’re charging from the wall outlet or solar panels.
Another great benefit is that you can simultaneously charge the Delta II and use the AC and DC outputs. So if you need to run appliances and devices off the Delta II during a blackout, you can plug it into the wall to recharge at the same time without any issues. This flexibility makes the Delta II super convenient for emergency backup power situations.
App Connectivity
The Delta II can connect to the Ecoflow smartphone app via Bluetooth to enable remote monitoring and control. Once paired over Bluetooth, you can connect the Delta II to your home WiFi network.
This allows you to monitor the Delta II from anywhere using the app. You can check the battery level, turn ports on or off, track energy usage, and more. The app also allows firmware updates to be pushed to the Delta II remotely.
Having app connectivity via Bluetooth and WiFi provides a lot of flexibility and eliminates the need to be right next to the Delta II to monitor its status or change settings. You’ll have full visibility and control whether you’re across the house or across the globe.
Expansion Options
The Delta II’s flexible expansion ports allow you to add additional batteries and solar panels. On the side of the Delta II is an expansion port which lets you connect extra batteries to increase the storage capacity. For example, you can add the Delta II Smart Battery to get another 1kWh of energy storage. Or you can add the massive Delta Max Smart Battery which provides a huge 2kWh of additional capacity. With the Delta Max added, you can achieve a total storage capacity of 3kWh.
The expansion port also enables charging through the additional connected batteries. So if you have the EcoFlow Smart Generator, you can charge the Delta II or Delta Max batteries directly without needing the Delta II unit itself.
In terms of solar, the Delta II has a max solar input of 500W. While a single 500W solar panel can provide the full 500W, you can also connect multiple smaller panels to achieve the same 500W input. The modular nature of the expansion ports makes adding more solar quick and easy. Simply connect additional solar panels in parallel or series to max out the solar input capability. This flexibility enables endless off-grid solar charging potential.
Additional Features
The Delta II has a number of additional useful features beyond just providing backup power.
One handy feature is AC pass-through charging. This allows you to plug the Delta II into a wall outlet, and then plug devices into the AC outlets on the Delta II. The electricity will pass-through the Delta II and power your devices, without draining the internal battery. This can be useful to provide surge protection or an uninterruptible power supply for sensitive electronics.
Another great feature is the fast switchover speed from grid power to battery power. When grid power is cut, the Delta II can switch over to battery power almost instantaneously, preventing any disruption. I tested this by running a laptop computer directly off the Delta II’s AC outlet. When I unplugged the grid connection, the laptop screen didn’t even flicker thanks to the super fast switchover. This is perfect if you rely on medical devices or want to prevent data loss in a blackout.
The Delta II also provides a wide variety of output ports beyond just AC outlets. You get 4 USB-A ports, 2 100W USB-C Power Delivery ports to charge laptops quickly, a 12V car outlet, and 2 12V barrel connectors. With this versatile selection of outputs, you can charge or power nearly any device. Whether you need to charge phones, run tools, or power a computer, the Delta II has you covered.
Conclusion
The EcoFlow Delta II is one of the most capable and versatile portable power stations available. With its large 1800W power output, fast recharge speeds, and long-lasting LFP battery, it’s a great option for emergency backup power and off-grid uses like camping and RVs.
The Delta II provides ample power to run most household essentials like fridges, freezers, medical devices, and more during outages. Its fast switchover from AC keeps devices running without interruption. The solar and expansion capabilities allow you to scale up your power needs over time.
Right now is an ideal time to invest in the Delta II, as EcoFlow is offering great deals for the holiday season. Having a backup power station ready for emergencies provides peace of mind. The Delta II is built to last but priced affordably, making it a worthwhile investment for many households.
So if you’re looking for solid home backup power or an upgraded power solution for your travels and adventures, be sure to check out the EcoFlow Delta II sale. It brings together an impressive combination of performance, safety, longevity, and value.