iClick
New Member
I regularly see 100, 120, 150, 200, 300A/h etc batteries in the marketplace but given 280A/h cells are relatively common, you rarely see them as pre-built versions. Can anyone explain why?
If 280Ah cells are commonly available, why are 280Ah pre-built batteries rarely found for sale?
- Thread starter iClick
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hwy17
Anti-Solar Enthusiast
For 12v batteries if it's 280's inside they just lie and call it 300.
Because they are heavy...
DIYrich
Solar Wizard
It's called the EG4 Powerpro and weighs 300 pounds. How many 300# items do you see sold to DIY'rs?
A 12v 280ah is doable, and some are sold in the 400ah range. But at that size, the DIY is starting to think about a 48v system.
A 12v 280ah is doable, and some are sold in the 400ah range. But at that size, the DIY is starting to think about a 48v system.
There’s actually a fair amount, they just mostly all have overseas shipping
To parrot the above, i imagine freight is a large factor.
Quotes are significantly higher when I query prebuilt batteries vs raw cells of the same capacity
I think they will eventually become more common unless HV takes off
To parrot the above, i imagine freight is a large factor.
Quotes are significantly higher when I query prebuilt batteries vs raw cells of the same capacity
I think they will eventually become more common unless HV takes off
Brucey
Solar Wizard
Was thinking the same thing.
Steve_S
Offgrid Cabineer, N.E. Ontario, Canada
You can DIY 16S Packs with large cells, the cases etc are available, and there is a reasonable variety out there but must be aware of what is & isn't included. There are Large (280/304AH) pre-built packs available but the shipping crosses into insanity.
The average price range (in China) of $2,300. - $2,800. + S&H.
The average price range (in China) of $2,300. - $2,800. + S&H.
42OhmsPA
What's in a title?
Have you linked the seller you bought these from anywhere?
That's cheaper than 16 bare cells stateside...
marionw
Solar Enthusiast
It's also about marketing and manufacturing costs as well as profit. In addition I am sure the solar industry is also tuned into the NEC and NFPA (NFPA 855 Standard for the Installation of Stationary Energy Storage Systems). In particular the NFPA (more importantly AHJ) are to some degree concerned about lithium battery density per square foot, particularly when a garage can have both an EV and any number of solar batteries.
www.mayfield.energy
Even though the below are large systems local AHJ (and misinformed folks) and first responders are concerned about lithium battery density per square foot.
www.nfpa.org
www.greentechmedia.com
www.greentechmedia.com
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www.mayfield.energy
Even though the below are large systems local AHJ (and misinformed folks) and first responders are concerned about lithium battery density per square foot.
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www.greentechmedia.com
NEC Batteries Solar Part 1 – Community.Solar
community.solar
Code Corner: NFPA 855 ESS Unit Spacing Limitations — Mayfield Renewables
In this edition of Code Corner, we talk about NFPA 855, Standard for the Installation of Stationary Energy Storage Systems. In particular, spacing requirements and limitations for energy storage systems (ESS). NFPA 855 sets the rules in residential settings for each energy storage unit—how many...
www.mayfield.energy
