BaBylissPRO SnapFX Boost Clip Battery delivers cordless freedom with a dual lithium-ion battery system designed to keep stylists focused on precise, uninterrupted cutting. Its blue LED ring indicator shows battery status at a glance, while the snap in and out design provides virtually unlimited runtime with a spare battery. Fits: FX890 clippers 30% higher capacity than the original batteries sold separately Snap In / Snap Out battery system Lithium battery LED battery indicator Includes a detent hanging hook What Does It Do? Provides extended cordless runtime Shows battery status at a glance