RYOBI TEK4 4-Volt Lithium-Ion Battery Pack AP4001 - The Home Depot
RYOBI TEK4 4-Volt Lithium-Ion Battery Pack AP4001 - The Home Depot
How to Care for Rechargeable Cordless Tool Batteries - Today's Homeowner
4V Battery - RYOBI Tools
Ryobi 4-Volt Lithium-Ion Screwdriver Kit (HP54L) for sale online | eBay
Ryobi defective 40v battery. Charger or battery issue? I notice there are 4 prongs/terminals on the battery itself and only 3 on the charging dock (see photo). Is there a prong/terminal missing