All Li-ion batteries steadily decline in capacity. They all age gracefully. Not a unique feature of any particular brand.

Having said that, there are vast differences in cycle life between brands. Some only last 500 cycles, while others last well over 10,000 cycles. There are also large differences in calendar life between brands as well.

Bill D.

On 3/29/2015 3:22 PM, Mike via EV wrote:
I am in the process of deciding what type of Lithium batteries to use.  Been 
through all the retoric on CALB, etc. Read the used Nissan battery threads and 
am leaning toward ENERDEL batteries for two reasons,, (1) They are a US company 
and (2) the discharge curve seems to be a steady declining ramp with a ‘soft’ 
end point.  EVOLVE Electrics is also very helpful.  I am well aware the company 
had a rough few years but it looks like they have recovered.  Looking for a 144 
volt nominal/168V max system and 200 AHrs.  So…does anyone have any solid 
experience using ENERDEL  batteries?
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