ODM/OEM 18V 3.0Ah Power Tool Batteries High-quality replacement batteries compatible with Bos BAT609, BAT609G, BAT618, BAT618G, and BAT619G power tool battery models. Product Specifications Type Rechargeable electric tools battery Application Compatible with BAT609, BAT609G, BAT618, BAT618G, BAT619G batteries Voltage 18V Capacity 3.0 Ah (custom capacities available) Cycle Life >540 cycles Warranty 13 months Key Features Intelligent program protection prevents overcharging