New Milwaukee M18 DUAL RAPID CHARGER (YOU WON'T BELIEVE THIS!) You won't believe this new M18 dual rapid charger (48591802) from Milwaukee tools and how fast it charges M18 batteries! This new charger from Milwaukee comes with 2 charging spots for your M18 batteries and will charge them simultaneously to completion. Even though the batteries are being charged simultaneously, they are still charging slower than a single rapid charger which is confusing. Why would you want this new dual charger when you could have 2 regular rapid chargers that will charge your M18 batteries faster than this new one. Let us know your thoughts on this new M18 dual rapid charger from Milwaukee tools in the comments section below.