When you look at Ryobi's 40V battery line, you may wonder how much weight will be added to your power tools. Here's how heavy ...

Both are battery-powered to keep pesky cords out ... and both have garnered an average of 4.7 stars on popular review sites. Ryobi beats Hart in OPM (3,600 OPM to 2,900 OPM), but Hart is slightly ...