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Review title: didn't work
Product review: I purchased this for a Dell Inspiron 1520 (says right on the bottom of the laptop that this is the right adapter). The adapter was able to provide AC power but wouldn't charge the battery---the error message was "adapter type cannot be determined". I contacted Dell technical support who kept telling me that the problem was with my laptop and trying to sell me a $59 "diagnostic service". Fortunately our system support guy had an old PA-10 and PA-12 on hand. We tried them and both worked fine. Conclusion: The genuine Dell adapters cost four or five times the third-party adapters and the reasons for buying them are presumably (i) better quality; (ii) support from Dell, but based on this experience these are not very good reasons.
