Details: Designed to outperform alkaline batteries Fast charging with a USB-C port on each battery Easy to use included charging cable can charge 4 batteries at once Each Paleblue battery can prevent up to 1,000 single use batteries from being thrown away Includes: 2 Paleblue C Batteries 1 Charging Cable Specifications: Power: 4.2 Watt Hours Voltage: 1.5V Capacity: 2800mAh Charge Time: 2 Hours