Ryobi Two 18V Lithium-Ion Batteries + Lithium-Ion Charger Upgrade Combo Pack "voltage goes down" Questions

goes way up, there is a failure of an armature winding. I notice it says variable speed, so the above may not work. The next plan is to bypass the speed control to see if the problem might be with the

...voltage dropped very low. I would like to know how can it be fixed? there are 3 posibilities: 1. Check the rectifier diode becos it might be shorted.You can check it with your multi-tester.First,ste ...

Goes through charging process Red light blinks then green light blinks like it is charging then after a few seconds solid green as if fully charged but it is still dead I had the same problem. Your ...