If you buy something via one of our links, we may earn a commission. The DeWalt 20V Max 4Ah Lithium Ion Battery is on sale for only $51, which is a whopping 70% off the original $169 price tag.

Most of the string trimmers that I have tested put the ... depending on what the device needs. DeWalt’s battery naming is somewhat confusing, but this battery can work with any of their current ...