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
How Long Do Lithium-ion Batteries Last? - Pro Tool Reviews
40V 5AH BATTERY - RYOBI Tools
Is Your Ryobi 40v Battery Defective? Here's How To Fix Now
Ryobi 40v Battery Not Charging? (Possible Causes & Fixes) – Upgraded Home
How To Fix Common Ryobi 40v Battery Problems - Essential Home and Garden
Dead Ryobi Battery? Here's 5 Ways to Fix It
Ryobi 40V BMS troubleshooting and repair | DIY Electric Car Forums
Ryobi 40V BMS troubleshooting and repair | DIY Electric Car Forums