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Old 02-15-2012, 10:08 AM   #56
Anorak
Woolf Barnato
 
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I'm pretty sure that lithium cobalt and LiPo are still used in portable devices due to their greater energy capacity. A123's major advantage over LiPo and lithium cobalt is safety when charging and if physically compromised. LiPo has a better energy to weight ratio than A123 nanophosphate.
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