Amazon sells many products under its own brand names, including phone chargers, batteries, and diaper wipes. The AmazonBasics brand was introduced in 2009, and now features hundreds of product lines, including smartphone cases, computer mice, batteries, dumbbells, and dog crates. Amazon owned 34 private-label brands as of 2019. These brands account for 0.15% of Amazon's global sales, whereas the average for other large retailers is 18%.[77] Other Amazon retail brands include Presto!, Mama Bear, and Amazon Essentials.[78]