My hihat pedal does not work ( Alesis Nitro Mesh Kit )

My hihat pedal does not work, I have the battery for 3 months, I play for 2 to 3 hours a day, the hihat pedal works for 20 minutes, then it starts to show problem, the light on the module does not light when the hihat pedal sound comes out of an open hi-hat even though I keep the hihat pedal pressed.
when I play the other day the pedal repeats the same problem

Thanks for your attention!
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