you're either doing something wrong, or you're unlucky...
I currently have 2 packs of lipo's
Pack 1 - bought second hand (believed to be 6 months old) nearly 3 years ago and used every 2nd week (ip4200 red)
Pack 2 - bought new just over 18 months ago and used every 2nd week. (ip5400 blue)
I know of 2 trakpower "gold" 4800mah's that are nearly 5 years old, have never been balance charged and are still impressive...
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