The HERCULES™ 20/12V Lithium-Ion, 12 Amp Dual-Voltage Parallel Battery Charger uses industry-leading charging technology to deliver power as fast as the battery can safely accept. Dual parallel ports charge 2 batteries at the same time, drastically reducing downtime. Integrated USB-A and USB-C ports provide convenient charging for compatible devices, and the integrated wall mount supports flexible shop or jobsite placement.