lib/libArduCopter_libs.a(AP_BattMonitor_SMBus_NeoDesign.cpp.0.o): In function `AP_BattMonitor_SMBus_NeoDesign::timer()':
/home/pbarker/rc/ardupilot/build/sitl/../../libraries/AP_BattMonitor/AP_BattMonitor_SMBus_NeoDesign.cpp:27: undefined reference to `AP_BattMonitor_SMBus_NeoDesign::max_cell_count'
collect2: error: ld returned 1 exit status