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05.10.2012, 01:02 PM
Yeah, they do take up so much space, makes them hard to work with on any RC form factor. I am using the 15Ah A123 cells for a 16s pack in my ebike for two years now and they are running GREAT. I can get 35km or almost 22 miles range from the ~770 Wh pack, that's cruising at 55kph or 34mph. The cell iR doesn't even register on my 720i when doing individual cell testing. I have a long 3 foot lead running to the controller, so am going to shorten that up to get rid of some of the voltage drop... down to ~48volts under a 45 amp acceleration load.
These things could start a truck engine.
“The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens
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