I bought mine direct from Turbo Scrub, on the buy 1 and 2 more on the pay separate shipping and handling charges from the USA, which all told cost me about $130.00. I gave the other 2 sets to my daughters for Christmas. They are all out of warranty. I have used mine infrequently. The battery remained charged for months, but discharged quickly when I used it (approximately 10 minutes). I recharged it fully and it was left again unused for 6 months. When I went to use it again the other day, it was dead. I tried to recharge it, it's still dead. I estimate the battery lasted about 10 cycles, which isn't a lot in my estimation. And I also believe that if there were different instructions that were to be followed for the battery (charge only when fully discharged) etc., it should have stated clearly in the instructions.
Bottom Line: No, I would not recommend this to a friend
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