The Klein Tools KTB2 is a Lithium-ion powered portable battery (power bank) designed to charge common mobile devices like tablets, cell phones, portable batteries, headphones, headlamps, and other smaller USB devices. Equipped with class-leading, fast-charging capabilities on all of its ports, which include Type-A Qualcomm® Quick Charge™ Technology, USB Type-A (2.4A) and USB Type-C (3A). It features a 170 lumen work light and multi-position kickstand. The rugged, compact design with impact-resistant housing makes the KTB2 a versatile battery for active, professional jobsite and daily use.