Up to 4 batteries can be placed (Mini3 Pro standard batteries and long-life batteries can be together) Input equal PD45W 2 batteries can be at the same time (for specific charging methods, please refer to the product picture) Storage mode: In charging mode, and hold the function button for 2 seconds to switch to storage charging mode. Storage mode can charge batteries with power below 62% to 62% and then automatically stop, which is very suitable for long-term battery storage. Tip: Only batteries with power below 62% can be stored and . The storage function cannot be used when the power is 62% The MINI 3 Pro battery can be converted into a power bank to charge other USB devices Support PD fast charging Charger Parameters: Input: 5V-15V/3A; 20V/3.25A output: 8.5V/3.5A x 2 Single output: 8.5V/3.5A USB output: 5V/2.0A (max) Note:The battery is afraid of overcharging. In order to that it cannot be recharged,the charger may stop charging at 98% or 99%, which is normal and beneficial to the safety and life of the battery (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material:plastic Package Contents: 1 * Charger HUB Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.