u/SiteRelEnby has experienced the [same issues](https://www.reddit.com/r/flashlight/s/y4qrdRdreS). I haven’t really read through the whole post since I don’t have an X4 Stellar, but I’d suggest giving that a read.
geforce73
The FST battery is the problem here. Changing to a different 21700 battery won’t have the overcharging issue.
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u/SiteRelEnby has experienced the [same issues](https://www.reddit.com/r/flashlight/s/y4qrdRdreS). I haven’t really read through the whole post since I don’t have an X4 Stellar, but I’d suggest giving that a read.
The FST battery is the problem here. Changing to a different 21700 battery won’t have the overcharging issue.