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Old 12-24-2009, 01:10 PM   #8 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 21,235

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.8 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 73.57 mpg (US)

Fancy Metro - '14 Mitsubishi Mirage top spec
90 day: 55.99 mpg (US)
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Tim: NICE Christmas present! Looks like UPS just brought you a bunch of fun.

Quote:
Originally Posted by Daox View Post
One thing I'm not happy with is I was expecting to get 4 cell balancers with the 4kWh kit. A few days after ordering, I got an email from Jack saying I needed to wire the balancers in parallel as shown below. IMO this is NOT what you want.
I agree this is not desirable.

The battery pack is the costliest part of this kit. You do not want to skimp on monitoring/protecting it at the individual cell level. It becomes even more important as the cells age and start to drift apart from one another in capacity/performance.

Even with the cheap, used lead acid batteries in the ForkenSwift, I would not be satisfied with a monitoring system that only showed me the performance of each pair of batteries. I want to know what each battery is doing to protect them from damage.

Sounds like they're just trying to cut costs.

But unless someone gives you a convincing technical reason the new setup (one monitor/balancer per pair of cells) is equal to the original (one per cell), I wouldn't be satisfied.
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EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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