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Title: Tried two .... both failed
Review: I bought two of these Chinese knockoffs. The first one sparked and died in about a week. The second one lasted a couple of months; it still has output enough to charge the battery IF THE LAPTOP IS NOT OPERATING.In other words, although the Chinese do a pretty glood job stealing the technology of others, this is just a ripoff. Plain and simple.It's silly to try to take advantage of their "warranty." Jusy steer clear of them,
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