Bought these off FB marketplace. Both are 40v 4aH batteries, but look different. One charger has a USB port? Left battery is 0P40401. Right battery is 0P40404. What's the difference? : r/ryobi
Ryobi OP403 40V Battery Charger with USB Plug In for sale online | eBay
40V 1800 WATT POWER STATION Kit - RYOBI Tools
Ryobi Part # OP40602-04VNM - Ryobi 40V Lithium-Ion 6.0 Ah High Capacity Battery And Charger Kit - Outdoor Power Equipment Accessories - Home Depot Pro
RYOBI ONE+ Lithium-Ion Dual Platform Charger for ONE+ 18V and 40-Volt Batteries-P137 - The Home Depot
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