Amazon has the Magnasonic Ultrasonic Jewelry Cleaner (CD2800) for $30 with free shipping. List price: $80. It features a 20-oz. stainless steel cleaning tank and 3-minute timer.
Has good Amazon Reviews.
Amazon has the 12-pack AmazonBasics AAA NiMH Rechargeable Batteries (85AAAHCB) for $12 with free shipping on $25+. Features a twelve-pack 800 mAh rechargeable AAA batteries for digital cameras, remotes, and more.
Has above average Amazon Reviews.