COMPATIBILITYfor Canon EOS M 50, M50 Mark II, 100D, EOS M, EOS M2, EOS M10, EOS M100, PowerShot SX70 HS, Rebel SL1, Kiss X7 Multi-function Battery Charger CaseFour-in-one charger is lpe12 battery charger, (1)could be used as a camera storage case to store 2 batteries, (2)and is 2 sd card storage cases. (3)have a phone power bank function. (4)Can be used as a card reader to read camera memory card information. Switch button for lp-e12 chargerThe switch button has 2 functions, (you need to press the switch once for the output function; when it is used as a storage box, you need to press the button to turn off the power Three Charging WayFor Canon EOS m50 battery charger built with a double-sided plug USB cable (34.5 cm length) and Type-C port input Power your camera batteries with good charging efficiency.USB port output could be used as a power bank to charge your phones in an emergency