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 4ah Battery Bunnings | Store www.institutodelaliento.com
Battery 36V 4.0 Ah Ryobi BPL3640D2 Lithium + Max Power on sale at £ 219.9