Characteristics and Interoperability The 20000mAh Remax RPP-213 TinyL Series Power Bank. Extremely Rapid Charging and Sleek Design. Fast Charge: 20W/22.5W. Three devices can be charged simultaneously. Battery with Lithium Polymer Safety. 20000mAh RPP-213 TINYL Series Power Bank 22.5 watts Phone Capacity: 20000mAh / 3.7V-74Wh 4-5 hours of charging (depending on the phone battery type) 4-Light Battery Indicator Weight: 401 grams 18 watts is the micro input. Max Type-C Output Maximum: 20 W USB Type-C Input: 18V Max Maximum USB 3.0 Output: 22.5 Watt