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diff --git a/modern/src/settings/AccumulatorsPage.jsx b/modern/src/settings/AccumulatorsPage.jsx
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+++ b/modern/src/settings/AccumulatorsPage.jsx
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+import React, { useEffect, useState } from 'react';
+import { useSelector } from 'react-redux';
+import { useNavigate, useParams } from 'react-router-dom';
+import {
+  Accordion,
+  AccordionSummary,
+  AccordionDetails,
+  Typography,
+  Container,
+  TextField,
+  Button,
+} from '@mui/material';
+import makeStyles from '@mui/styles/makeStyles';
+import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
+import { useTranslation } from '../common/components/LocalizationProvider';
+import PageLayout from '../common/components/PageLayout';
+import SettingsMenu from './components/SettingsMenu';
+import { useCatch } from '../reactHelper';
+import { useAttributePreference } from '../common/util/preferences';
+import { distanceFromMeters, distanceToMeters, distanceUnitString } from '../common/util/converter';
+
+const useStyles = makeStyles((theme) => ({
+  container: {
+    marginTop: theme.spacing(2),
+  },
+  buttons: {
+    marginTop: theme.spacing(2),
+    marginBottom: theme.spacing(2),
+    display: 'flex',
+    justifyContent: 'space-evenly',
+    '& > *': {
+      flexBasis: '33%',
+    },
+  },
+  details: {
+    display: 'flex',
+    flexDirection: 'column',
+    gap: theme.spacing(2),
+    paddingBottom: theme.spacing(3),
+  },
+}));
+
+const AccumulatorsPage = () => {
+  const navigate = useNavigate();
+  const classes = useStyles();
+  const t = useTranslation();
+
+  const distanceUnit = useAttributePreference('distanceUnit');
+
+  const { deviceId } = useParams();
+  const position = useSelector((state) => state.session.positions[deviceId]);
+
+  const [item, setItem] = useState();
+
+  useEffect(() => {
+    if (position) {
+      setItem({
+        deviceId: parseInt(deviceId, 10),
+        hours: position.attributes.hours || 0,
+        totalDistance: position.attributes.totalDistance || 0,
+      });
+    }
+  }, [deviceId, position]);
+
+  const handleSave = useCatch(async () => {
+    const response = await fetch(`/api/devices/${deviceId}/accumulators`, {
+      method: 'PUT',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(item),
+    });
+
+    if (response.ok) {
+      navigate(-1);
+    } else {
+      throw Error(await response.text());
+    }
+  });
+
+  return (
+    <PageLayout menu={<SettingsMenu />} breadcrumbs={['sharedDeviceAccumulators']}>
+      {item && (
+        <Container maxWidth="xs" className={classes.container}>
+          <Accordion defaultExpanded>
+            <AccordionSummary expandIcon={<ExpandMoreIcon />}>
+              <Typography variant="subtitle1">
+                {t('sharedRequired')}
+              </Typography>
+            </AccordionSummary>
+            <AccordionDetails className={classes.details}>
+              <TextField
+                type="number"
+                value={item.hours / 3600000}
+                onChange={(event) => setItem({ ...item, hours: Number(event.target.value) * 3600000 })}
+                label={t('positionHours')}
+              />
+              <TextField
+                type="number"
+                value={distanceFromMeters(item.totalDistance, distanceUnit)}
+                onChange={(event) => setItem({ ...item, totalDistance: distanceToMeters(Number(event.target.value), distanceUnit) })}
+                label={`${t('deviceTotalDistance')} (${distanceUnitString(distanceUnit, t)})`}
+              />
+            </AccordionDetails>
+          </Accordion>
+          <div className={classes.buttons}>
+            <Button
+              type="button"
+              color="primary"
+              variant="outlined"
+              onClick={() => navigate(-1)}
+            >
+              {t('sharedCancel')}
+            </Button>
+            <Button
+              type="button"
+              color="primary"
+              variant="contained"
+              onClick={handleSave}
+            >
+              {t('sharedSave')}
+            </Button>
+          </div>
+        </Container>
+      )}
+    </PageLayout>
+  );
+};
+
+export default AccumulatorsPage;