Electric Bikes - Considering a new set-up...still
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12-22-08, 01:02 AM
I'm considering a whole new set-up, maybe even a whole 'nother ebike to supplement what I already have. It seems like the highly desirable lithium phosphate batteries are finally spreading out into the market. At the same time, I'm thinking that I should just go with SLA's since they are cheap.
So, what motor/bike could I get that is compatible with a variety of batteries?
Also, do the SLA's have to be run all the way down before re-charging?
12-22-08, 07:42 AM
It's pretty easy to convert any e-bike to Li-Ion. If you're considering new bike entirely, you might consider an IZIP. If you go with one of their lower-end models with SLA (ie: IZIP Trailz AL (http://www.eco-wheelz.com/catalog/izip-trailz-al-electric-bike-p-38.php), IZIP Mountain Trailz (http://www.eco-wheelz.com/catalog/izip-mountain-trailz-al-p-37.php), etc.) you'll have the option to upgrade to Li-Ion next year. Currie is creating a new Li-Ion battery pack which will fit into the existing rack-mount design in 2009. So if you want to upgrade... it's as easy as buying a new battery and plugging it in.
About the batteries... you actually want to do the opposite (if possible): don't ever let SLA batteries run all the way down. Try to keep SLAs topped off whenever you're not riding and always re-charge directly after use.
12-23-08, 12:02 AM
Thanks ecowheelz. I've been looking at the Izips and Ezips and wondering about just that question. Sounds like the SLA's are like lithium-ion in that they like to be charged up. So is it the nickel hydride that like to be run down?
12-23-08, 05:08 AM
It is NiCD should be deep discharged. Li and SLA should be charge up as soon as possible. NiMH like to operate between 20-80% of charge for maximum life.
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