EcoFlow has
EcoFlow DELTA Pro 3600Wh Portable Power Station + Smart Home Panel on sale for
$2588.81 when you apply coupon code
EF6PCTOFF.
Shipping is free.
Thanks to Community Member
MinhTrinh for finding this deal.
Product Details:- Professional electrician installation required; installation fees not included.
- The portable home battery: DELTA Pro supports a 3.6kWh capacity that can be expanded all the way to 25kWh. The kicker? You can integrate it directly with your home circuits via the Smart Home Panel. Ideal for home backup.
- Power pretty much anything: DELTA Pro leads the industry when it comes to AC output. With 3600W you've got a portable generator that can power heavy-duty appliances such as dryers, AC units & more. Need even more power? Pair two units together to hit a massive 7200W.
- A smart home battery system Made specifically for the DELTA Pro ecosystem, the Smart Home Panel connects the DELTA Pro portable power station right to your home's wiring.
- Backup power for essential home appliances When the grid goes down, the Smart Home Panel instantly switches to battery backup mode using any connected DELTA Pro units. Your home will go on strong with up to 7200W of power and 25kWh of energy when properly equipped.
- EcoFlow app control Monitor, control, and manage energy through the EcoFlow app. The app gives real-time metrics and lets you avoid peak rates.
- Peak rate avoidance If you're on a time-of-use billing rate, you can use the Smart Home Panel and attached DELTA Pros to store energy when rates are low and consume it when rates are high.
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Add on $290 ($29 x 10) for the necessary relays and the math looks something like:
$2725 + 290 = $3015 for Delta Pro and SHP.
That's better than I could put together in a similar deal:
Delta Pro standalone: $2449 (Costco price)
Smart Home Panel with relays: $999 (Ecoflow site and others)
$2449 + 999 = $3448
Hmm decisions decisions…
Many lifePO4 batteries are dropping in price at the moment. So the decision between a pre-built system like the Delta Pro vs DIY with separate components is difficult atm.
For those wanting to understand these Ecoflow products and/or other DIY options checkout the Ecoflow subreddit or visit diysolarforum.com. Those are much better places to get technical info rather than SD.
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To used Smart Panel, all relays must be populated. Ecoflow support says you can use a higher relay and set the software to trigger at a lower amperage.
B) I would never trust software to correctly trip a breaker. Imagine your wires are rated for 15a and you put in a 20a and the software doesn't correctly trip the breaker and it starts a fire. Doubt insurance would cover something like that.
https://us.ecoflow.com/products/e...o-bag-free
and
https://us.ecoflow.com/products/e...4303518793
For example, say I have solar, and want to charge these from noon-2pm, and then discharge them from 4pm-9pm (TOU rates). Can you set this sort of scheduling? Is there an API?
Let's also say that I'm using 5kW at 5PM, and this thing can only supply 3.6kW. Can you still partially draw from the grid in parallel?
- There is very basic scheduling in Ecoflow Smart Panel based on time.
- You can select specific circuits to switch to battery at specific times.
- I charge from grid tied solar to 95% from 9 - 1 pm for deltapro1
- I charge from grid tied solar to 95% deltapro2 from 9 to 2:30pm (staggered to ensure that deltapro1 takes the initial battery load)
- All my Smart Panel circuits (except freezer/frig) cut over to battery from 1pm - 8pm during TOU rates and automatically select whatever battery is not charging
- My freezer/frig doesn't like switching phases daily when it cuts over to battery, so they are only connected for true outages
- At 8:01pm, I recharge my delta pros from grid power to 50% in case of power outage through the night.
- Start the cycle daily... to offset TOU costs.
BTW. Grid tied A/C charging either charges or acts as battery discharge to active circuits. It cannot do both at the same time (i.e cannot A/C charge while being an active battery source). However, I notice that if you directly connect solar (DC charging) to unit... it will charge simultaneously while also serving out as an A/C battery source. This will be my perpetual charging setup when the grid is down and disables my roof top solar.yes, it can be solar charged while providing power to your grid, but not A/C charged though. I simply programed it to be AC/grid charged after midnight.
From the linked page
"That gives you a potential 240V, 7200W output and 25kWh of capacity..."
7200W would give you 30 amps continuous. I would be concerned about inrush current of say a central A/C unit. Maybe the battery can handle it but it's still something to consider.
You're also limited to 10 circuits based on the transfer switch (Smart Home Panel).
I had a similar setup with a 10kW natural gas Generac generator but eventually moved to a 200 amp transfer switch and installed a smart module on the A/C circuit to prevent it from kicking on if it would push the generator past it's maximum current. Now I don't need to run extension cords to equipment I didn't have when the generator was put in.
Both the battery and the inverter need to be taken into account regarding amperage draw but the battery capacity usually is not the limiting issue.
All LifePo batteries have a battery management system (BMS aka cpu specifically to maintain safety with the battery) which will have a max amperage it will allow so that's the first limitation on current/amperage draw.
And then there's the inverter limits of how much wattage (current x voltage) it can produce continually and at its peak.
With store bought system like the eco flow the BMS is already correctly mated to the inverter so the inverter is all that you may need to pay attention to.
But they pretty much all come with a high frequency based inverter that usually has a 1:1.5 or at most a 1:2 ratio of nominal power output vs peak power needed for inrush of high current (aka inductive) loads like HVAC compressors. On the bright side inverters can usually maintain their peak for seconds or minutes, while inrush draws are usually only last a few milliseconds.
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