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.

As the company has continued the push for innovation in its various power tool offerings, it's continued to do so with the batteries that power them as well. A case could be made that DeWalt ...

These batteries can power any 20V tool in DeWalt’s line, making them essential for anyone who keeps a well-stocked workshop. At $129, this is a great value, considering that a single DeWalt 20V ...