48-11-2420 M12 2.0 Ah battery

Cordless M12

The 48-11-2420 is Lithium Ion battery pack for the M12 battery system manufactured by Milwaukee. Milwaukee calls it M12 Red Lithium 2.0.

In 2021 this battery was not listed separately on Milwaukee USA's website, but it is bundled with a charger in the 48-59-2420 starter kit.

Exterior

The battery packs contains three cylindrical 18650 cells that are grouped together upright so that the battery pack can fit inside a handle of a power tool.

The battery pack has a red plastic casing with recessed electrical contacts on top. On the bottom is a black plastic cap with latches on both side to retain the battery when inserted in a tool.