Nitecore Intelligent USB Superb Battery Charger Four Slot Black 6952506492824. The UMS will reach a maximum total output of 4000mA when using a 2A output USB power adapter. When the charger is connected to a quick charge (QC) power adapter the screen will show Quick Charge and the single slot will achieve a max output of 3000mA. A brightly lit LCD display reports real time information including battery health and charging status. The UMS2/UMS4s intelligent charging technology automatically applies the appropriate charging current/voltage while allows users to manually adjust the charging current/voltage. The UMS supports various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650 1634014500). Specifications for Nitecore Intelligent USB Superb Battery Charger: Manufacturer: Nitecore Color: Black Battery Type: Lithium Ion LiFePO4 NiMH NiCd Amperage: 4 amps Charger Type: USB Features of Nitecore Intelligent USB Superb Battery Charger Capable of charging batteries simultaneously and controlling each slot independently Charging speed up to 3000mA in a single slot Automatically detects battery power level and selects the appropriate voltage and charging mode LCD display shows real time charging information Built in safety protections to prevent short circuits overcharging and improperly inserted batteries Compatible with USB adapters power banks solar panels and more Package Contents: Nitecore Intelligent USB Superb Battery Charger NITECORE UMS2 Charger Nitecore 6952506492824: Intelligent USB Superb Battery Charger Four Slot Black