XTAR VC8 Charger Type-C 8x21700 Protected Battery Charger with Capacity Test Function --Your Intelligent Battery Steward • Type-C Powered, QC3.0 3A Fast Charging • Charge 8x21700 Simultaneously • Test Batteries’ Real Capacity • Maximize Batteries’ Lifespan • Detect the Battery Type, Select the Best Charging Strategy • 0△V and -△V Method Precisely Control the Timing for Cease of Charging Ni-MH/Ni-CD Batteries • Five Optional Currents for Manual Adjustment • VA LCD Screen Shows Real-time Charging Status