Amazon.com: Riuog Wall Mount Bracket for Milwaukee M12 M18 Battery and Charger,Battery Storage for 12V18V, Metal 5 Battery Holder and Charger Holder for Tool Room and Garage (1size) (5 Battery Holes) :
Milwaukee Multi-Bay Battery Charger — 12, 14.4, and 18 Volt, Model# 48-59-0260 | Northern Tool
Milwaukee M18 & M12 DC Charger 48-59-1810 - Acme Tools
M18 Multi-Volt, Rapid and REDLITHIUM Charging Accessories | Milwaukee Tool