Many users of CM9 FXP roms have reported a battery drain. I have submitted a bug report but it's been marked as invalid so we are not going to get support from FXP.
My suggestion is to really try and find out our selves why this is happening.
The battery drain is happening when the screen is off and the device should be asleep, it can drain up to 10% battery an hour. It doesn't happen in airplane mode.
If you have the battery drain issue please help us out by providing information here: battery stats, betterbatterystats, apps installed that could possibly be draining battery or preventing phone from sleeping, info about your carrier, other bugs you might have.
Please don't post here if you are using a modified version of the rom or kernel and if you haven't tried e full wipe.
My suggestion is to really try and find out our selves why this is happening.
The battery drain is happening when the screen is off and the device should be asleep, it can drain up to 10% battery an hour. It doesn't happen in airplane mode.
If you have the battery drain issue please help us out by providing information here: battery stats, betterbatterystats, apps installed that could possibly be draining battery or preventing phone from sleeping, info about your carrier, other bugs you might have.
Please don't post here if you are using a modified version of the rom or kernel and if you haven't tried e full wipe.