This dual-port battery charger is perfectly compatible with Milwaukee M18 series 18V lithium power tool batteries. It supports simultaneous charging of two battery packs, effectively cutting down your waiting time and greatly improving work efficiency. Equipped with two independent charging slots, each slot delivers stable charging current to protect your batteries. Built-in intelligent multi-layer safety protection system, it can effectively avoid risks like overheating, overcharging and short circuit during charging. Visible LED indicator lights are designed on the front panel, which can clearly display the real-time charging state of batteries, so you can easily know the power progress at a glance. The charger adopts a compact lightweight body design with reserved wall mounting holes, you can place it on the desktop or hang it on the wall to save your workshop storage space. Made of solid impact-resistant plastic, it features strong heat dissipation and long service life, ideal for daily DIY, construction and repair work scenes. Wide input voltage design adapts to most household power supplies worldwide, bringing convenient charging experience for all tool users.