First,how to fix Ryobi Batteries 18v .Ryobi manufactures a line of battery-powered tools called that operate on 18-volt battery packs. The original black batteries are Nickel-Cadmium (NiCd), and these are still widely available. More recently, Ryobi introduced a new gray Lithium-Ion pack that is more compact and holds a charge longer. The older black battery packs can be rejuvenated when they will no longer hold a charge, but this is unfortunately not true for the newer gray ones. To rejuvenate black NiCd Ryobi battery packs, you will need two 12-volt car batteries, some wire and some alligator clips.Such as 1400652 、1322401 、1314702 .
Connect two 12-volt batteries together in series to create a 24-volt power source. Do this by connecting the positive terminal of one battery to the negative terminal of the other with a battery cable. Tighten the cable firmly onto the terminals with a wrench.
Expose the ends of two lengths of wire with a wire stripper. The wire should be 16-gauge or heavier. Lighter wire will overheat and possibly melt or catch fire. It's a good idea to use different colored wires so you don't lose track of which is positive and which is negative.
Crimp alligator clips onto the ends of the wire with pliers.
Clip one end of one wire to the unconnected positive terminal on one battery and one end of the other wire to the unconnected negative terminal on the other battery.
Turn a black Ryobi 18-volt NiCd battery so that the cylindrical arm that goes into the tool is facing you. The terminals are two small metal plates in the end of this arm. Identify positive and negative by looking for the + and - signs on the end of the arm.
Hold the clip on the end of the wire connected to the negative terminal of the 24-volt battery to the negative terminal of the Ryobi battery, then tap the other clip to the positive terminal for 1 second. Repeat three times. This will rejuvenate the battery pack.
Second,how to save an Ryobi battery 18V.Saving any type of battery requires properly maintaining, using and storing the battery in an appropriate location when not in use. This will notably extend the life of any battery, including the 18 volt Ryobi batteries generally used in conjunction with Ryobi cordless power tools. Failing to fully charge your batteries before use, overcharging, or storing your batteries for a prolonged period fully charged will all shorten a battery's life.
Insert the 18v volt Ryobi battery firmly into its associated charger when you are ready to use it. Plug the charger into an electrical outlet and let the battery charge for at least one hour.
Take the battery out of its charger only when it is fully charged. The indicator light on the charger will turn from red to green once the battery is ready (depending upon the model). Partially charging batteries before use on a repeated basis will shorten the battery life.
Operate your Ryobi power tools on lower power settings when possible so as not to drain all of the battery's power.
Turn off the Ryobi cordless power tool you are using as soon as you have finished your job in to further preserve the battery.
Remove the 18 volt Ryobi battery from its associated power tool when you wish to store it. Place the battery in a location where it will be out of direct sunlight and where it will be stored at a temperature below 80 degrees Fahrenheit. Storing at the correct temperature will help save the battery.
Last,how to charge Ryobi batteries 18v .Plug the battery charger into the power outlet. The charger plugs into a standard wall outlet.
Insert the battery into the charger. The battery has a post with metal contacts that is inserted into the power tools. Insert this post into the opening on the battery charger. The opening is designed to fit the post only one way.
Look at the red LED light on the charger. There is a red LED light that will light up when the battery is charging.
Remove the battery from the charger when the green LED light turns on. The red light will remain lit for an hour before the green light turns on.
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