a (#16775)

Co-authored-by: DreamySkrell <>

code/modules/power/apc.dm

@@ -925,7 +925,8 @@
 	var/list/data = list()
 	var/isAdmin = isobserver(user) && check_rights(R_ADMIN, FALSE, user)
 	data["locked"] = (locked && !emagged)
-	data["power_cell_status"] = cell?.percent()
+	data["power_cell_inserted"] = cell != null
+	data["power_cell_charge"] = cell?.percent()
 	data["fail_time"] = failure_timer * 2
 	data["silicon_user"] = isAdmin || issilicon(user)
 	data["total_load"] = round(lastused_total)

html/changelogs/DreamySkrell-apc-no-power-cell-fix.yml

@@ -0,0 +1,41 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes:
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.
+author: DreamySkrell
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - bugfix: "APC with discharged power cell shows there's no cell inside."

tgui/packages/tgui/interfaces/Apc.tsx

@@ -5,7 +5,8 @@ import { Window } from '../layouts';
 
 export type APCData = {
   locked: BooleanLike;
-  power_cell_status: number;
+  power_cell_inserted: BooleanLike;
+  power_cell_charge: number;
   fail_time: number;
   silicon_user: BooleanLike;
   total_load: number;
@@ -99,14 +100,14 @@ export const APCWindow = (props, context) => {
             )}
           </LabeledList.Item>
           <LabeledList.Item label="Power Cell">
-            {data.power_cell_status ? (
+            {data.power_cell_inserted ? (
               <ProgressBar
                 ranges={{
                   good: [75, 100],
                   average: [30, 75],
                   bad: [0, 30],
                 }}
-                value={data.power_cell_status}
+                value={data.power_cell_charge}
                 minValue={0}
                 maxValue={100}
               />
@@ -114,7 +115,7 @@ export const APCWindow = (props, context) => {
               <Box color="bad">Power cell removed.</Box>
             )}
           </LabeledList.Item>
-          {data.power_cell_status ? (
+          {data.power_cell_inserted ? (
             <LabeledList.Item label="Charge Mode">
               {!data.silicon_user && data.locked ? (
                 <Box color={data.charge_mode ? 'good' : 'bad'}>