Title: DO NOT BUY !!
Product review: This product has a very poor battery. The lowest price battery replacement that I could found online is about $22 including shipping, or about 63% of the cost a new one on Amazon. I believe the manufacture had designed the product to make money mainly on sale of battery replacement since the battery failed to function more than 5 minutes after only 4 charges over about a 6-week period.It had never sweep for 45 minutes on a single charge as it advertized. It's more like 30 minutes. It production works OK when the battery provided the charge. I had decided not to invest another $22 for every 6 weeks of use.
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