Amazon.com: RYOBI 40V Lithium-Ion 6.0 Ah High Capacity Battery and Charger Kit : Tools & Home Improvement
NEW! RYOBI GENUINE Lithium-ion 40 Volt Slim Line Compact Battery Charger | 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