Ridgid Genuine OEM R86092 Dual Chemistry 18V Lithium Ion / NiCad Battery Charger ONBOARD LED INDICATORS let you know when your battery is charging. It also lets you know if it has detected any defects in your battery WORKS WITH RIDGID 18V BATTERIES: From the AC840083, AC840084, and AC46182, and earlier NiCad models (Not Included) FAST CHARGING: Charge your batteries in as little as 30 minutes MOUNTING: Screw mounts on the back of the system let you keep the R86092 on walls. Keep it mounted in your home or garage for ease of access IMPROVED: This charger is designed as a replacement for the Ridgid R86091, providing superior charging speed and reliability