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Title: Poor battery life
Review: I have bought 3 of these batteries so far. Each one has only lasted 8-9 months which gets expensive at $15-20 a pop - and I've only used each one less than a dozen times. I'm planning on trying a corded grinder hoping it will last longer. The ones I'm looking at cost more but with the amount I've spent on replacement batteries so far, it would have paid for a corded model plus some.
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