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 Included: 4 Paleblue AAA Batteries 1 Charging Cable Specifications: Power: 900 mWh Voltage: 1.5V Capacity: 600mAh Charging Time: 60 minutes