Bestbuy offers Aiper - SG Pro Cordless Robotic Pool Cleaner for In-ground Pools up to 1600sq.ft, Automatic Pool Vacuum - Gray for $509.99 (orig. $599.99) with free shipping.

Product Description:
The SG Pro cordless robotic pool vacuum is ideal for above/in-ground pools of any shape up to 1600 sq ft, or 50ft in length. Designed to be hands-free and hassle-free, simply select one of the 3 cleaning modes and submerge the pool cleaner underwater. Kick back and relax as your SG Pro automatically begins cleaning your pool’s floor and walls.
Features

• Cordless & Easy to Use
  Eliminate the hassle of tangled cords and create a safer environment with the SG Pro.
• Quad-Motor System
  This is the world's first implementation of a dual draining motor and a dual suction motor being applied to a cordless robotic pool cleaner. The SG Pro pumps up to 80GPM and is the most powerful cordless robotic pool cleaner on the market.
• WavePath™ Navigation Technology
  Equipped with industry-leading smart path planning technology, Aiper ensures complete coverage and an amazing clean for your pool's floor, walls, and waterline.
• Wall Cleaning Capability
  Thanks to its powerful motors, the SG Pro can tackle more than just your pool floor but also cleans your pool walls and waterline.
• Improved Battery System
  The built-in rechargeable battery provides up to 150 Mins of cleaning and takes 3-4 hours to fully charge.
• Rapid Water Release
  A sophisticated water release system clears your device of water in seconds so that you can clean up and charge up in minutes
• Effortless Pool Cleaning
  Quick Water Release, and versatile cleaning modes. Elevate your pool maintenance for a pristine swimming experience.
• Auto-Parking
  The SG Pro automatically parks near your pool's wall after completing a cleaning cycle or when the battery is low.
• LED Indicator
  The beautifully designed indicator communicates the unit’s status so you’re always on top of your cleaning game.
• Recommended Pool Size
  This unit is ideal for pools up to 1600 sq.ft/150m².