View Single Post
Old 12-06-2009, 09:30 AM   #55 (permalink)
RobertSmalls
Left Lane Ecodriver
 
RobertSmalls's Avatar
 
Join Date: Aug 2008
Location: Buffalo, NY, USA
Posts: 2,257

Prius C - '12 Toyota Prius C
Thanks: 79
Thanked 287 Times in 200 Posts
Quote:
Originally Posted by Formula413 View Post
So you can open up a spent hybrid battery and simply fill it with rechargeable D cells? That's good to know, in case my battery ever quits. I had the same thought but figured it couldn't be that simple. Is there any possible issue with a change in the capacity of the battery, could it confuse the software?
Well, you can open one up, but heed the warning label on the top of the battery module. The one that starts with "You can be killed or hurt" and reminds you to use insulated tools and common sense.

Can you simply fill it with off-the-shelf D-cells? Well, maybe. But that would take $700 of D-cells. You'd also have to assemble them into 20 sticks of six cells each, with a threaded terminal at each end and a temperature probe running the length of the stick.

Those off the shelf cells I linked to have 50% more capacity than the stock ones, and they might behave differently at temperature extremes vs. the stock cells. Because of the unknowns and the extra expense, I'm just going to refurbish the factory cells.

BTW, Formula, your fuel log is looking good so far. Hopefully you can keep it up despite the colder temperatures.
  Reply With Quote