If you hook something up to the wrong form of electrical delivery, it won't end well for your devices. Ryobi's IntelliCell individual cell monitoring helps to maximise tool running time and performance. The battery is also compatible with old as well as new Ryobi One+ tools. Enjoy access to more than 40 garden and power tools. With a higher battery capacity and voltage, the Ryobi One+ RB18L50 18V 5Ah is ideal for users who demand a long running time. No Need to Constantly Recharge

For example a 5.0Ah Ryobi battery will last much longer than a 1.0Ah battery, but not 5 times as long as there is always a slight decline. Where you can afford to, you should always buy the biggest Ah rating that you can afford as this will give you the longest battery life. Amp-hours, or Ah for short, are a unit of measure for a battery's energy capacity. This rating tells us how much current a battery can provide at a specific rate for a certain period. As you can see Ryobi have many different batteries available. Why do manufacturers like Ryobi make different voltage of batteries? Smaller voltages can operate smaller power tools like cordless screwdrivers, rotary tools and light use drill/drivers. In all cases a lithium battery is the best choice.Alternating current (AC), on the other hand, alternates directions a set number of times per second—60 times per second in the United States. There's no need to constantly recharge the battery. You'll be able to drill more holes, drive in more screws and cut more using tools in the One+ range without any interruptions. The four-stage fuel gauge shows the remaining power so you always know how much charge you've got left. Save Money Powerful 5.0Ah Lithium+ battery gives more power, longer runtimes and better durability than previous Ryobi® lithium technologies Batteries are always DC. That's why there is a positive and a negative terminal. It will always flow consistently from one terminal towards the other through the appliance using power. Electrical devices are made to function on either AC or DC, never both, without modification.

So, for example, if you have a fully-charged 5-Ah battery, it can provide five amps of current for one hour. If your device requires one amp of current to run at full speed, then the full charge would last about five hours, under ideal conditions, of course. Even though the Amp=-hours doesn't automatically mean the battery is more powerful by the numbers, sometimes it can equate to more power. In a higher Ah battery, the number and density of cells supplying the current and the heavier gauge of the conductors and components involved allow more current to move with less resistance. Typically called the C-rate, they represent the battery's charging and discharging ability. Charts and formulas are available online to help calculate what the C-rate on a battery actually means for you. What's the difference between amps, ohms, and volts?

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Higher voltages such as 18V and 20V are required to power heavier use power tools like hedge clippers, impact wrenches, cordless drills etc. We've already covered amps. If we continue our river-in-the-canyon analogy, volts are like the pressure of the water through the canyon, the force pushing the current through. IntelliCell™ technology monitors and balances individual cells to maximise run-times, storage life and safety The complete list of charging times for the ONE+ 5.0Ah Battery when used with compatible ONE+ Chargers.