FOR USE WITH AMTECH V6605: This 12V 2Ah Li-ion battery pack is designed for use with Amtech’s 12V 2Ah lithium ion cordless drill driver. LED BATTERY CHARGING LIGHT: indicates how much charge is left in the batter. COMPATIBILITY: Compatible with Amtech V6605 12V drill driver. Kit contents: 1 x 12V 1Ah battery pack