But have you used Ryobi's battery-operated grease gun? The ONE+ 18V Cordless Grease Gun itself is available through direct order from Ryobi, at a price of $159. But if you need the 2.0 Ah battery ...

Ryobi is a global power tool and outdoor equipment manufacturer, known for its innovation and reliability. It's also a recognizable brand for professionals and homeowners throughout North America ...