Customer reviews from ecoflow
EcoFlow - DELTA Pro 3600Wh Smart Extra Battery
Average customer rating
4.8 out of 5
4.8
(78 Reviews)
Open Ratings Snapshot
Rating breakdown 78 reviews
5 Stars
65
4 Stars
13
3 Stars
0
2 Stars
0
1 Star
0
100%of customers recommend this product. 
(
19 out of 19
)
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Customer Reviews for EcoFlow - DELTA Pro 3600Wh Smart Extra Battery
Customer Rating
5 out of 5
5
The Ultimate Battery Back-up Option
on April 25, 2023
Posted by: BeeTee
from San Gabriel, CA
Frequency of use:Daily
Gender:Male
Verified Purchase:Yes
Love EcoFlow Products! Great quality and it just works. When spending money on something, you just want it to work as promised or advertised. So far right out of the box, all my EcoFlow products just work perfectly. I can’t wait to get my Delta Pro systems hooked up to the Home Smart Panel and Smart Duel Fuel Generator. For vertical set up, make sure you massage the extra battery cable before hooking it up. I would wiggle and mold it to how I want to hook up the cable to extra battery and delta pro first then plug it in. Rack is 36” x 14” x 56” (black), 24” x 18” x 72” (chrome). Both rack work but the 36” leaves some room towards the front for miscellaneous items and not as tall. Will get two more extra battery to complete set up. And yes rack can handle all the weight.
Written by a customer while visiting ecoflow
Customer Rating
5 out of 5
5
Extra battery
on April 21, 2023
Posted by: AZ guy
from Arizona
Gender:Male
Verified Purchase:Yes
I bought the Ecoflow extra battery and hooked it up to my delta pro, dual fuel generator and solar panel. Testing it out on the RV to see what they can do for boondocking. Happy so far with my purchase.
Written by a customer while visiting ecoflow
Customer Rating
5 out of 5
5
Extra Battery Definitely Help
on April 5, 2023
Posted by: SEFD
from Los Angeles, CA
Frequency of use:Daily
Gender:Male
Verified Purchase:Yes
I bought the extra battery after I added a couple of 400 watt solar panels. It definitely charges, but no second fan which is a relief. It is important to update the firmware on the app for the latest algorithm as to how the two batteries discharge. It is a complex task deciding how much juice from the second battery when the first battery has a load. It seems like a lot of times it is about half. When charging that is the case and when running my microwave if definitely draws from both batteries. The percentage full display on each will never be the same and I recommend setting your delta pro with minimum and maximum charge settings (like 5%-90%). If the delta pro runs down to zero I don't know if the extra battery work in the most efficient manner.
Written by a customer while visiting ecoflow
Customer Rating
4 out of 5
4
Nice additional storage for a Delta Pro
on January 22, 2023
Posted by: Range rat
from Southern California
Gender:Male
Verified Purchase:Yes
I bought this on Christmas Day. It is performing perfectly.
I have only two complaints. While it is well known that the documentation for the Delta Pro and the Smart Panel are limited in details and usefulness. The Delta Pro battery has taken it one level lower by not providing any documentation at all. I guess it’s hard to find fault if it doesn’t exist. Sneaky.
I am also disappointed in the fact that an interface cable isn’t provided and it’s not recommended when you order the battery, even though the battery is useless without it.
Written by a customer while visiting ecoflow
Customer Rating
4 out of 5
4
Pretty good products!
on January 19, 2023
Posted by: The 1 Knot Scene!
from PA
Gender:Male
Verified Purchase:Yes
I purchased the Delta Max in 2021, and late 2022 I got the the Delta Pro and the two batteries last month and I am planning the purchase 1 more set next month. That says a lot!
Written by a customer while visiting ecoflow
Customer Rating
5 out of 5
5
Added back up
on December 26, 2022
Posted by: PBen
from LA
Gender:Male
Verified Purchase:Yes
Double your storage … thumbs up! Never know when you’ll need it.
I would recommend this to a friend!
Written by a customer while visiting ecoflow
Customer Rating
4 out of 5
4
Terrific Battery with a very short chord....
on December 4, 2022
Posted by: KenH
Frequency of use:Daily
Gender:Male
Verified Purchase:Yes
Battery works as advertised
Ive got 3. The only complaint is the cable that conects to the Delta Pro is absurdly short and the add on batteries must be located alongside the Generator. You can't put the battery below the generator. I was hoping to put my generators on an upper shelf and the generators below. Cannot be done with the short cables.
I would recommend this to a friend!
Written by a customer while visiting ecoflow
Customer Rating
5 out of 5
5
ready for this winter
on November 19, 2022
Posted by: boston men
from boston Ma
Gender:Male
Verified Purchase:Yes
Because of the energy policy of the current administration, I expect black out this winter. With my ecoflow pro, I have 8 hrs of quiet power for my fridge and oil burner. With that extra battery, I have 16, more than I need for a quiet night.
I would recommend this to a friend!
Written by a customer while visiting ecoflow
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