Sinopoly 160AH prismatic cells?

[Jman99]

Been thinking of upgrading my lithium in my portable battery box to these, they look to be the highest capacity you can fit in a standard group 31 space. Not seen anything from winston, calb, gbs, that can compete. For me I could certainly use that extra capacity, as I almost take my 125AH down to 0 each night. I do run a fair chunk of stuff and have powerful solar that can easily recharge.
An extra 35AH capacity over the 125AH cells and only about 2-300grams extra? Does that sound right?
Does the higher density mean less cycle or calender life? The specs say no, but they are not real life.

Finally where to get these for international shipping? I have searched alibaba, aliexpress, ebay but nothing.

 

[john61ct]

lots of fakes out there

Best to import direct from the maker.

Shipping these days is usually $600-800, and now maybe duty tariffs as well.

Figure 1500 all up, much less than that something's wrong.

 

[john61ct]

Better to resize the box to fit the right battery, rather than look for a battery to fit a certain space.

Pretty silly to run your DoD so far down each cycle, leaving even 10-20% in there will give 3-5x the lifespan

treated right could get 10,000 cycles, these units are too expensive to abuse like that.

Don't get too hung up on the density fine points chemistry is chemistry, the rest is packaging, interconnects etc.

And over time production runs change, swap suppliers, beef up case design switch materials etc

They're not going to call it a new model issue new specs, these units can sit in the distribution channels for many years, not a problem if kept cool.