Ryobi Multi-Volt Battery Charger "charge goes yellow" Questions

charge batteries. Hi, your NG3 should have been preprogrammed for the type of batteries you are charging. The NG3 has the 3 wires from the power cord. Here is what I have done: Brown from charger goes

...charge has been initiated. If all lights remain off after 15 minutes, remove the battery. The orange light should glow. Reinsert the battery. If the orange light goes out when the battery is inserted ...

goes yellow immediately. I took it apart but no obvious burns or broken wires. Other batteries charge fine in charger. Measure the voltage across the two terminals and if the voltage doesn't read over

...goes on, chances are the batteries are to cold to charge. They will not charge below 32F so if your charger is in the garage, take the batteries in the house until they are room temp then try again. ...

...goes off, the middle column green light remains on, and that's it after an hours. That charging/light sequence is different from what I've read, and, what on earth is the 3rd light/column of icons ...

...goes up to around 20 volts or so. At that time, I simply put the battery in the Ryobi Charger and it instantly went to the red "fast charging" mode. Seems it needs some decent battery in the battery ...