RIDGID 18V Lithium-Ion MAX Output 4.0 Ah Battery and Charger Starter Kit AC9540 - The Home Depot
Ridgid AC840094 Gen5X Dual Port 18V Lithium Ion and NiCad Battery Charger with Pass-Through AC Ports and USB Charging (Batteries Not Included, Charger Only) - - Amazon.com
Ridgid R8400806 18V Bluetooth 6.0Ah HYPER OCTANE Battery/Charger Combo