eBay with vipoutlet has the Aiper Scuba 800W Cordless Robotic Automatic Pool Cleaner (White, ZT2001W) on sale for $73 - 10% off with coupon code VIPOUTLETAPR26 [Exp 4/30] = $66 with free shipping. See reviews at Walmart.

• 90 minutes of cleaning on a 2.5 hour charge time. Designed for above-ground pools up to 860sq.ft.