Portable Rechargeable BatteryThe Klein Tools KTB1 is a Lithium-ion powered portable battery (power bank) designed to charge common mobile devices like cell phones, tablets, portable batteries, headphones, headlamps and other smaller USB devices. KTB1 is equipped with Qualcomm® Quick Charge™ technology, delivering up to 75-Percent faster charging versus conventional USB charging. KTB1 features a rugged, compact design with impact resistant housing to stand up to active, professional daily use.Features:10050 mAh capacity battery; up to 18W of total powerUSB Type-A with high speed charging powered by Qualcomm® Quick Charge™ 3.0 TechnologyUSB Type-C with Input and Output capable of up to 15wattsSmart battery protectionAuto-device detectionIlluminated portsRugged chassis for added durabilityBattery status LED indicatorsUSB Type-C to USB Type-A cable includedFour - eight hours charging timeSpecifications:Capacity: 10050mAhOutput Port: USB Type A and CInput Port: Type CType: Rechargeable BatteryApplication: Portable Battery to Recharge Personal DevicesSpecial Features: Battery Status Indicators, Rugged Chassis, Smart Battery Protection, Qualcomm® Quick Charge™ 3.0 TechnologyWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.