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forum threadMinhTrinh posted Yesterday 07:27 PM
forum threadMinhTrinh posted Yesterday 07:27 PM

ECOFLOW DELTA 2 Max Power Station Extra Battery, 2048Wh LiFePO4 (LFP) Battery $759

$759

$1,400

45% off
Amazon
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Ecoflow Delta 2 max extra battery (no inverter, need Delta 2 or Delta 2 max main inverter to work)

This extra battery will add additional 2kwh of battery to extend your usage time.

On sale for $799, apply coupon code 8QIXM6TS to make this $759

https://www.amazon.com/gp/product...UC4F&psc=1
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Community Notes
About the Poster
Ecoflow Delta 2 max extra battery (no inverter, need Delta 2 or Delta 2 max main inverter to work)

This extra battery will add additional 2kwh of battery to extend your usage time.

On sale for $799, apply coupon code 8QIXM6TS to make this $759

https://www.amazon.com/gp/product...UC4F&psc=1

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Model: EF ECOFLOW DELTA 2 Max Power Station Extra Battery, 2048Wh LiFePO4 (LFP) Battery, Compatible with DELTA 2&DELTA Max 2000&DELTA 2 Max Outdoor Generators

Deal History 

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Post Date Sold By Sale Price Activity
07/11/25Amazon$759
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04/09/25Amazon$759 frontpage
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07/15/24Amazon$999
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Yesterday 08:05 PM
184 Posts
Joined Dec 2024
Yesterday 08:05 PM
MerryMeat6430Yesterday 08:05 PM
184 Posts
how is this a good deal lol?
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Original Poster
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Yesterday 08:57 PM
6,153 Posts
Joined Nov 2006
Yesterday 08:57 PM
MinhTrinhYesterday 08:57 PM
Original Poster
Pro
6,153 Posts
Quote from MerryMeat6430 :
how is this a good deal lol?
Please let us know if you find better deal. Im genuinely interested
Today 12:25 AM
375 Posts
Joined Nov 2018
Today 12:25 AM
madsci1016Today 12:25 AM
375 Posts
Quote from MinhTrinh :
Please let us know if you find better deal. Im genuinely interested

I'm sure he means you can buy multiple 100ah LiFEPO4 batteries and connect them to the Max's two solar ports instead. I bought a 52v 30ah (1560wh) one for $330 and with both ports will put about 800watts into the max.
Today 04:43 AM
374 Posts
Joined Mar 2009
Today 04:43 AM
StrategyFreakToday 04:43 AM
374 Posts
Bad price even on a $/Wh metric ($0.371/Wh) alone. Factor into the proprietary lock-in (EF has even moved to prevent this from being used with other power stations like the Delta Pro) and the older design, it is definitely not worth it. Plus the head unit (Delta 2 Max) has horrendous self-consumption and poor AC efficiency.

At $500, maybe worth buying.
1
Today 05:46 AM
196 Posts
Joined Dec 2014
Today 05:46 AM
savenmavenToday 05:46 AM
196 Posts
Quote from StrategyFreak :
Bad price even on a $/Wh metric ($0.371/Wh) alone. Factor into the proprietary lock-in (EF has even moved to prevent this from being used with other power stations like the Delta Pro) and the older design, it is definitely not worth it. Plus the head unit (Delta 2 Max) has horrendous self-consumption and poor AC efficiency.

At $500, maybe worth buying.
It's compatible with the delta 3 plus as well. You're paying for convenience. It's like a crappy iphone. Pay more, get less, but it works even if you don't know what you're doing. And it looks fancy (for being just a really big car battery)
2
Today 12:26 PM
2,705 Posts
Joined Oct 2008
Today 12:26 PM
sup3rson1cToday 12:26 PM
2,705 Posts
Quote from madsci1016 :
I'm sure he means you can buy multiple 100ah LiFEPO4 batteries and connect them to the Max's two solar ports instead. I bought a 52v 30ah (1560wh) one for $330 and with both ports will put about 800watts into the max.
Do you have a link regarding the setup you're referring to?
Today 05:00 PM
184 Posts
Joined Dec 2024
Today 05:00 PM
MerryMeat6430Today 05:00 PM
184 Posts
Quote from MinhTrinh :
Please let us know if you find better deal. Im genuinely interested
https://www.ebay.com/itm/145411430664 just go with refurb imo, the river 2 refurb i just got is great, thinking about one of these next, but will probably just diy build my own since i already have the 4x 150ah batteries ... Sorry i just realized this was for extra battery, those have been like $499 or something this week refurb

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Today 06:14 PM
375 Posts
Joined Nov 2018
Today 06:14 PM
madsci1016Today 06:14 PM
375 Posts
Quote from sup3rson1c :
Do you have a link regarding the setup you're referring to?

My setup?


No not really but you can Google the idea. The solar inputs are just DC inputs. So you can connect cheap LiFEPO4 batteries to them to give you more run time instead of solar panels. You can buy the right three pin xt60i connectors off Amazon that tell the ecoflow to pull max current (so it thinks it's solar not a cars 12v cigarette socket). 12v batteries will limit you a bit. Better to get the 24v/36v or 48v version like I didnfor max power transfer.

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