drivers/nutdrv_qx.c: dial back down the batt.volt.high guesstimation …

…to 130/120 of the nominal (back from experimental 150/120) [networkupstools#1652] Signed-off-by: Jim Klimov <[email protected]> Signed-off-by: Alex W Baulé <[email protected]>
alexwbaule · Oct 4, 2023 · 751f881 · 751f881
1 parent 6e5f27d
commit 751f881
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/drivers/nutdrv_qx.c b/drivers/nutdrv_qx.c
@@ -309,9 +309,14 @@ static void	qx_initbattery(void)
 		/* Per https://www.csb-battery.com.tw/english/01_product/02_detail.php?fid=17&pid=113
 		 * a nominally 12V battery can have "float charging voltage"
 		 * at 13.5-13.8V and an "equalization charging voltage" (e.g.
-		 * to desulphurize) at 14-15V:
+		 * to desulphurize) at 14-15V. Note that per nut-names.txt,
+		 * the "battery.voltage.high" is the practical 100% charge
+		 * value (so equal or a bit less than actual battery.voltage
+		 * reported by the device, when the situation is healthy);
+		 * it is not the voltage that the battery CAN reach on the
+		 * brink of boiling out:
 		 */
-		batt.volt.high = 150 * batt.volt.nom / 120;
+		batt.volt.high = 130 * batt.volt.nom / 120;
 
 		/* Publish these data too */
 		dstate_setinfo("battery.voltage.low", "%.2f", batt.volt.low);