
We have controllers in each bedroom to control the fan and lights. We have been using the same brand batteries for almost 6 years and they finally started to die. I found this battery pack, not brand name but decided to give it a try. Right, thumbs up! However, one of the controllers no longer works again. The battery is already dying. This battery has been in this controller, like the other 4, for almost 5 months, ie 6 years versus 5 months. do not know what to say. I'll give the other controller's batteries some more time to see how long they last. I know sometimes some batteries aren't even good in the group name. But look at the other 4 controllers. They came in a thin premium envelope. Maybe the batteries were damaged? I will keep you up-to-date.

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