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Title: APC MAKES JUNK BX900R
Review: I spent a lot of money for this unit and got about one year of use out of it before it started constantly beeping and overloading. I replaced the batteries with new ones plugged it in and it still overloads with nothing attached to it. I deduced from reading all the other reviews that this is a poor design on cooling the circuit board. The unit runs hot with nothing attached. I guess the cheap fan doesn't last too long and you ruin the warranty by replacing it. If you go to the APC site the unit is discontinued thank goodness they retired it. This will be the last APC product I buy.
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