Product features:1 Check the battery level2 A maximum of 3 batteries can be installed and charged from excessive to low The battery with high price might be charged preferentially There are complete charging mode and storage charging modeStorage and charging mode: 60% battery capacity is healthier for long-term garage The battery is straightforward to bulge when it's entirely charged, and the battery could also be exhausted when it's not charged The storage mode is to payment the mobile with the battery strength less than 60% to 60% for long-term storage Support PD and QC3 rapid charging Input: 5V/9V/12V-3A (max)Output: 8/3 (max)Charging time: (input: PD 40W or higher)Three 2453mAh batteries for roughly one hundred fifty minutes (each battery for 50 minutes)Three 3850mAh lengthy endurance batteries, about 225 minutes (75 minutes for each battery)Product size: 9 * 5 * 2 size: 10 * 7 * three 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