diff --git a/inc/power.inc.sh b/inc/power.inc.sh
index 8cfe35a4..6332cfb6 100644
--- a/inc/power.inc.sh
+++ b/inc/power.inc.sh
@@ -337,7 +337,7 @@ CHECKPOWER(){
 				UPS_BATT_RUNTIME=$(snmpwalk -t 1 -r 0 -v 1 -c public ${PW_UPS_IP} .1.3.6.1.2.1.33.1.2.3.0 | sed 's/.*: //')
 				UPS_BATT_VOLT=$(snmpwalk -t 1 -r 0 -v 1 -c public ${PW_UPS_IP} .1.3.6.1.2.1.33.1.2.5.0 | sed 's/.*: //')
 				UPS_BATT_VOLT=`echo "scale=2; ${UPS_BATT_VOLT}/10" | bc`
-				UPS_BATT_CAP=$(snmpwalk -t 1 -r 0 -v 1 -c public ${PW_UPS_IP} .1.3.6.1.2.1.33.1.2.5.0 | sed 's/.*: //')
+				UPS_BATT_CAP=$(snmpwalk -t 1 -r 0 -v 1 -c public ${PW_UPS_IP} .1.3.6.1.2.1.33.1.2.4.0 | sed 's/.*: //')
 				
 				[ "${PW_UPS_STATES[${UPS_STATUS}]}" != "" ] && UPS_DISP_STATUS=${PW_UPS_STATES[${UPS_STATUS}]} || UPS_DISP_STATUS=${UPS_STATUS}