The 'Pre-Owned' Hyper Tough HT19-401-003-14 20V LI Dual Charger is a reliable power tool accessory designed for charging two batteries simultaneously. With a voltage of 20V, this black charger is compatible with Hyper Tough brand batteries. The model number HT19-401-003-14 ensures easy identification and compatibility with your power tools. Keep your batteries charged and ready for use with this efficient and convenient dual charger.