Specifications:Dimension: 108x79x32.9mmWeight: 114gInput Power: 15W QC3.0, PD 5V/3.0A or 5V/2.1ABattery Type: NiMH/NiCDBattery Size: AA/AAACharge Rate:When powered by 15W QC3.0, PD 5V/3.0A adaptor: 1600mA/slot for 3 batteries; 1500mA/slot for 4 batteries.When powered by 5V/2.1A adaptor: 1600mA/slot for 2 batteries; 1000mA/slot for 4 batteries.Discharge Rate: 100-700mATrickle Charge Rate: 30-70mAWorking Modes: Charge, Discharge and Refresh mode-?V: 7mVDischarge Cut-off Voltage: 0.9VCapacity Protection: 3000mAhWorking Temperature: 0-40?Working Humidity: 10-90%RHStorage Temperature: -10-70?Storage Humidty: 20-70%RHFeatures:1. Compatible with AA/AAA NiMH/NiCD batteries.2. Supports charging, discharging, and refreshing functions.3. Made of high-quality plastic material.4. Operates at a voltage of 5V.5. Convenient and user-friendly design.Package Included:1x Skyrc NC1600 Battery Charger & Analyzer