Specification: Brand: i SDTType: Charger Input Type: USB (Universal Serial Bus) Type-CInput Voltage: 5-9 V Input Max Power: 18 W Output Max Voltage: 4.2 V Output current; 0.1A-1.5A/slot Support battery: MCPX (4.2V), Lipo-1S*4UC4 indicator meaning: Red: battery voltage over 4.4V or charge abnormality Green: Full Chargedorange with single flicker:normal charging with capacity not more than 40%orange with couple flicker: normal charging with with 40%-70% of the capacityorange with triple flicker: normal charging with with 70%-99% of the capacity Light off: No battery inserted. Protection:overvoltage protectionovercurrent protectionoverheat protectionbattery reversed polarity protectioncharge capacity limitation Three gear for charger current:0.5A-white light indicator-single flicker 1A-green light indicator-coupon flickers 1.5A-green light indicator-triple flicker Packaging Included:1X ISDT UC4 Charger