Ingersoll Rand BL144 IQv Series 14.4-Volt Lithium-Ion Battery
Patent pending IQv Grip twist-to-lock battery attachment design ensures snug battery- tool connection with little risk of battery dislodging.  Intelligent batteries with  active onboard diagnostics and protection ensure longer battery life and more  power.  Cutting edge cell technology and circuitry protection deliver best-in-class  pack life.