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Old Aug 30, 2005, 10:30 PM
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Joined Aug 2005
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Some Basic knowledge for the Beginner of Li-poly

Capacity: Capacity is important, but not all. For RC, discharge rate is more important sometimes. Make sure that the battery is design for RC. Who is the biggest Li-poly manufacturer in the world? It's Sony, but its product is not design for RC.

Discharge rate: It's very important, but not the higher the better. I suggest that fit is more important. For example, a helicopter needs 20A, you have two choice, A pack 2000mAh for 10C and A pack 2000mAh for 20C, which do you choose? The first one I suggest, it's much more cheaper but can be performance as well as the second one most of the time.

consistency: If you have been an advance Li-poly user, and want to match the cell into pack yourself, you should know the importance of consistency for a pack. Don't match cell that are not the same brand, the same capacity, the same model, and the same used condition together! I suggest that get the pack from the professional manufacturer.

Charge: If you want to charge a pack in series, use a balance charge, it can bring better perfromance and better cycle life for the pack.
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Old Aug 31, 2005, 07:08 AM
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Last edited by RD Blakeslee; Aug 31, 2005 at 07:11 AM. Reason: duplicate posts
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Old Aug 31, 2005, 07:10 AM
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Joined Jan 2002
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Quote:
Originally Posted by carfiel
... consistency: If you have been an advance Li-poly user, and want to match the cell into pack yourself, you should know the importance of consistency for a pack. Don't match cell that are not the same brand, the same capacity, the same model, and the same used condition together!...
Not true, if the cells in the pack are charged in parallel, and are close to equal in: 1. capacity and 2. amperage discharge capability:

http://www.rcgroups.com/forums/showp...88&postcount=1

http://www.rcgroups.com/forums/showp...2&postcount=16

- RD
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