Should I bet on the near term future of battery technology?

[openplanet]

I need to purchase a new 48 volt battery bank.  Intend to buy 8, 6-volt batteries in the 350ah range.  If quality and longevity were my highest priority (which they might be) I'd buy Rolls.  But my question is this: Given the blazing pace of change in battery technology, would it be smarter to go with the cheapest possible solution that'll get me through a couple years, on the assumption that at that point there will almost certainly be more cost-effective options.

Just interested to know people's thoughts.

[dbcollen]

"Given the blazing pace of change in battery technology"..... That's very funny, the workhorse of battery storage is the lowly lead acid, basically unchanged for over 100 years.....

[Westbranch]

LiFe (Power Wall , LG Chem, etc) battery technology....

I just thought of an issue FLA has in spades and that is B. Bank expansion, ie adding more capacity after say 4 years due to increased/ing loads. with FLA it is a No-No...

I have not seen this issue addressed to date in the LiFe type batteries literature...

As these systems have essentially a separate additional bank to add with its own BMS etc there, theoretically, should not be any imbalance between banks, because each bank controls its own charge rate over the day, thus the problem of a different charge acceptance may be solved....?

thoughts?

[RossW]

thoughts?

I answered http://midniteftp.com/forum/index.php?topic=3729.msg36048#msg36048  here if you missed it.