Three Charging WayFor Canon EOS rebel T3 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 as a power bank to charge your phones in an emergency Multi-Function Battery Charger CaseFour-in-one charger is LPE10 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. COMPATIBILITY for Canon EOS Rebel EOS 1100D / 1200D / 1300D / 1500D / 2000D / 3000D / 4000D, Canon EOS Rebel T3 / T5 / T6 / T7, Canon Kiss X50 / X70 / X80 / X90. Switch button for lp-e10 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