If you already use Milwaukee M18 tools at home, do yourself a favor and pick up this battery two-pack right away. You get two 5.0Ah M18 batteries and a charger, all for a low price of $200.

The ToolGuyd has a great breakdown comparing the battery technology behind the newest Dewalt 20V/60V Flexvolt and Milwaukee M18 ... Makita's X2 system incorporates two of their 18V ...