Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Deals on power tools are running rampant on Amazon right ...

Milwaukee is one ... if something is off. If the red light is flashing quickly, that means that the battery is either too hot or too cold. Given that they are lithium-ion, they are required ...

The Milwaukee M18 Top-Off Portable Power Inverter is now available on Amazon as a stand-alone portable power supply for $109, instead of $170, or with a M18 battery Pack for $180, instead of $193.