Capacity 10000 mAh Color Storm Grey Battery Type Li-ion (Polymer battery) Weight 258 g (0.57 lbs) Material Plastic Hardware Requirements Supported mobile phone with USB-C charging port and Qi wireless; Total output max 30W; Warranty Type Lenovo Warranty Output Power USB-C - Max 27 W (9V/3A), Qi - Max 15 W Brand Lenovo OS Requirements OS Independent Packed Weight 384 g Agency Approvals CB, Qi, TUV, CE, UKCA, FCC,CEC,cTUVus, PSE,WPC,SIRIM,NTC,IMDA,KC,KCC,MIC,DWLF amp;M,NTRA,NCA,ANRT,TRA,CRA,KVALITET,TRA,RCM Charge-in Ports 1 x USB-C integrated cable; 1 x USB-C port Charge-out Ports 1 x USB-C integrated cable; 1 x USB-C port Package Type Gift box Packed Dimensions (L x D x H) 107 mm x 32 mm x 221 mm Height 18.5 mm (0.73 in) Length 168 mm (6.61 in) Depth 72 mm (2.83 in) Special/Added Features Supports simultaneous charging 3 mobile phones Warranty Period One Year Maximum Operating Temperature 35 degrees Celsius (95 degrees Fahrenheit) Minimum Operating Temperature 0 degrees Celsius (32 degrees Fahrenheit) Maximum Relative Humidity (%) 90% Minimum Relative Humidity (%) 8% Battery Charging Time About 2 Hours (Depends on power adapter used. Value measured using Lenovo 45W power adapter) Battery Performance (Wh) 38.5 Wh Input Power 27 W (9V/3A) LED Indicator 4 LED @ 25% each; 1 LED@Qi Power Button Yes Quick Charge Yes Safety Protection Built in Over Voltage Protection (OVP) circuit; Built in Over Temperature (OTP) circuit Built in Over Current (OCP) circuit Shipment Group Lenovo Go Wireless Mobile Power Bank (10000 mAh); Warranty document; Quick Start Manual;