Issue On some storage systems, the nonvolatile memory (NVMEM) battery's gauge prematurely reports a low capacity that causes sensor readings that drop below threshold values, which in turn, may cause ...Issue On some storage systems, the nonvolatile memory (NVMEM) battery's gauge prematurely reports a low capacity that causes sensor readings that drop below threshold values, which in turn, may cause ONTAP to shut down. The following models are potentially affected: AFF A220, AFF A150, AFF C190, ASA A150, FAS2750, FAS2720 EMS log shows the following events: Jul 24 09:33:10 [node1:nvmem.battery.fccLowCrit:EMERGENCY]: The NVMEM battery full-charge capacity is critically low (32 ).