Negative Positive
Title: 3 out of 7 are bad. 2'rd star is for Amazon service
Review: We've purchased 7 of these 750s now, and so far we've gotten 2 years or less out of three of them. We had 2 bad batteries and 1 that had software issues. Contacted Tripp-Lite(even though it was purchased from Amazon), and was met with a 40 min. barrage of questions and instructions to call back with a wattage-voltage meter handy. Figured it was easier to just go buy another unit from a different manufacturer, but then contacted Amazon first. 5 minutes later I got off the phone with a refund which I spent on a model 850. We''ll see how the second and third ones go. An extra star here for Amazon service!
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