Product features:1 Check the battery level2 A most of three batteries would be put in and charged from high to low The battery with high price will be charged preferentially There are complete charging mode and garage charging modeStorage and charging mode: 60% battery means is better for long-term garage The battery is simple to bulge when it's totally charged, and the battery could also be exhausted when it's not charged The garage mode is to payment the cell with the battery strength lower than 60% to 60% for long-term garage Support PD and QC3 fast charging Input: 5V/9V/12V-3A (max)Output: 8/3 (max)Charging time: (input: PD 40W or higher)Three 2453mAh batteries for about one hundred fifty mins (each battery for 50 minutes)Three 3850mAh lengthy patience batteries, about 225 mins (75 minutes for each battery)Product size: nine * five * 2 size: 10 * 7 * 3 weight: 65g (excluding line weight)Package weight: 109gCharging ambient temperature: 0-40 ° C Packing list:1 x 3-way butler1 x USB-A to USB-C charging cable1 x USB-C to USB-C charging cable