For a set of high powered energy solutions for your Ryobi power tools, look no further than the P164. This is a twin pack of P193 lithium ion batteries that can work in a variety of conditions to help you complete your important DIY work. Their onboard fuel gauges will keep you posted on approximately how much time you have left to complete your job. The 6-amp hours onboard these batteries are enough to power a variety of tools from cordless circular saws to hammer drills with some spare juice leftover for LED lights or jobsite radios. If you need both hands clear to do a particularly trying task, these batteries' free-standing bases enable you to prop a light on the ground to shine your way. It doesn't matter if you do DIY or work a professional trade, Ryobi and its line of batteries will help you get the job done right.