Hello,   No, the threshold cannot be modified and there's no replacement for just the battery that I am aware of.   Regards,  Don  
I am getting Event Log entries on my out-of-warranty EqualLogic PS6010XV toggling between: 28.3.114 Control module 0 battery sensor temperature of 46C is above the warning threshold of 45C. and 28.2.29  High-temperature sensor reading is now within operating limits.   The other control module battery is at 39C. 1) Can I temporarily raise the warning threshold to stop the hundreds of email messages per day I'm getting? 2) Can I replace the battery on a control module? Thank you for your help. Alan
PS6010XV Control Module Battery High Temperature Warnings