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. The KTB2 is 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.