evcc Updates & Release Notes

Changelog

Breaking Changes 🚨

2b16c41 Fritz: make unit 1-based (BC) (#29741)

New Features 💫

9cc0da1 Add Alpine vehicles (#29927)
e48887e Add Azimut Energy battery (#29890)
726bea6 Add DSMR API v2 support (Ethernet P1 Dongle Pro+) (#29871)
d17e72b Add DSMR API v2 support (Ethernet P1 Dongle Pro+) (#29892)
6802975 Add MYR (Malaysian Ringgit) to currency list (#29956)
1e9bc6c Add Siemens 7KT1666 (#29801)
76a54c6 Add TRY (Turkish lira) to currency list (#29897)
8886af1 Add compleo pro (#29925)
ca386b7 Add dim/curtail features (#29905)
92072aa DADAPOWER: add voltages (#29923)
6039791 Easee: add cmd for (de)activating local ocpp (#29868)
b1d5f57 Enphase: add voltages (#29795)
cae8a2c Fritz Smart Energy 250: add pv
ef12393 Huawei SUN2000: add curtail (#28549)
29a932c Huawei SUN2000: add curtail (#30039)
3588040 Ostrom: add sandbox support (#29751)
1e40a2a Plugins: add bool2int conversion (#29995)
ce583cd Plugins: add ifelse plugin (#29988)
9badb4e Revert "Huawei SUN2000: add curtail (#28549)"
eb5fd6d Revert "Huawei SUN2000: add curtail (#30039)"
5763051 Sessions/History UI: add left/right swipe gesture (#29944)
a2ce340 Solinteg: add phase powers and currents (#29749)
908e6cf Tariff: add time-based grid fees (#29766)
21eefcc Vaillant: add brand support for Saunier Duval, Bulex, Glow-worm, DemirDöküm (#29874)
468dfa6 tariff/epexprijzen-nl: add powerpeers provider (#29829)

Other Changes ☀️

37e5659 Batteries: track energy metrics (#29780)
cbd253b Battery Grid Charge: allow limit remove
c37ecd6 Chart: sorted color picker (#30073)
62ecd17 Charts: color picker for loadpoints and consumers (#30021)
4e42b54 Config UI: replace custom vehicle modal with generic flow (#29575)
714c847 Config: enforce required fields when forcing save past a failed test (#29982)
b76af61 Database: use backup and restore apis (#29511)
e7a27e5 Energyflow UI: use names instead of placeholders (#29918)
a74982a Ext/Aux meters: track energy metrics (#29836)
a628981 History UI: improve tooltips, labels, stacks, units (#29917)
65dd010 History UI: optimize production chart (#29946)
431b606 History UI: visualization and export (#29846)
47132a4 Loadpoint: suppress PV disable timer while climater is active (#29837)
177cb19 Loadpoint: tolerate api.ErrNotAvailable on phase switch (#29975)
1200fbc Metrics: do not persist a partial first slot (#29977)
db82557 Metrics: rename import/export to energy/returnEnergy (#29907)
84d623a OAuth: expose full upstream error (#29875)
be1dd84 OCPP: clean up charge point lifecycle between subtests (#29873)
e07838b OCPP: dispatch RemoteStartTransaction asynchronously to avoid WebSocket deadlock (#29838)
960eb11 Ocpp: fall back to confirmed profile limit for GetMaxCurrent (#29783)
7e41160 Optimizer: expose forecasted highest/lowest battery SOC (#29564)
6b053bf PV: track energy metrics and apply forecast scaling to optimizer (#29784)
54e6174 Renault: update api keys (#30031)
178cc7a Revert "Battery Grid Charge: allow limit remove"
d5e6253 Revert "api: split MeterEnergy into MeterImport and MeterExport (#29788)"
13c2407 Siemens 7KT1665: remove timeouts (#29800)
5506053 VW/Audi/Seat/Skoda: recover from marketing consent prompt (#29980)
fed9678 Vehicle: accept lat/lon parkingposition keys for VW weconnect (#29981)
7a5b1e7 api: split MeterEnergy into MeterImport and MeterExport (#29788)

Bug Fixes 🐞

c61e3fa Battery: fix stale grid charge limit reset (#30013)
8ac2f94 Cupra: fix connected status (#30046)
48822fb Cupra: fix vehicle list (#30047)
fe02f7f Evbox Elvi (OCPP): fix "charger out of sync" (#29809)
207fa79 Grid charge: fix 0 cost limit (#29817)
d08a07d History UI: fix timezone handling (#29819)
41c169e History: fix axis, scale and units (#30042)
d89c101 History: fix scale for stack batteries (#30044)
4bc9ba4 Huawei EMMA: fix phase currents (#29845)
f41ad70 Loadpoint: fix charge meter method decoration (#29912)
117276f Localization fix for german string (#29891)
43860c1 OCPP: fix flaky TestOcpp (restore wait() timeout) + speed up (#29941)
c5d9bcc Optimizer UI: fix line charts (#29936)
394553c Xtherma: fix registers and add dimmer (#29854)
1e81696 fix: drag & drop stability (#29730)
07b0093 meter/hybrid: fix pv energy readings in SunSpec hybrid inverter templates (#29955)

Changelog

Breaking Changes 🚨

3a99f7d Wallbe: remove deprecated (BC) (#29647)

New Features 💫

9d12605 Add ZAR (South African Rand) to currency list (#29620)

cf5038c Revert "Stiebel WPM: re-add power (#29627)"

7303a5b Siemens 7KT: add voltages (#29732)

Other Changes ☀️

d4d8109 Battery UI: 100% buffersoc resets bufferstart (#29669)

20be86f Bluelink: convert evModeRange and odometer from miles to km when unit=3 (#29731)

2a49668 EEBus: drop redundant Scenario middle word from constant names (#29704)

efe8ee7 Energyflow: show all loadpoints (#29677)

bd651da HomeAssistant: dispatch CallSwitchService by entity domain (#29700) (#29706)

1e61427 Loadpoint UI: improve heatpump status (#29667)

fd80b71 Make fatal banner dismissible (#29692)

338e8b4 Session energy: latch baseline late if meter not ready at start (#29656)

d8730e1 Sessions API: filter tz handling (#29676)

d811357 Trydan: pause dynamic mode during charging (#28365)

Bug Fixes 🐞

0d3bcfe Bluelink: fix unmarshal float EvModeRange.Value from Hyundai EU API (#29687)

3b90182 EEBus: fix LPC/LPP CS failsafe-exit path (#29705)

4b276a4 EEBus: named scenario constants + fix MGCP scenario indices (#29701)

2c149b9 Fix comment-only yaml in device config validation (#29673)

7a24dbd OCPP: fix flaky test deadlock between trigger handler and WS read loop (#29725)

32f8384 RCT: fix grid energy (#29688)

9e2b907 Revert "EVBox Elvi: fix template (#29652)"

948b646 Tessie: fix wakeup uri (#29726)

42b5cb2 Yaml: fix decoding empty stream everywhere (#29690)

1414d71 sqlite: fix foreign_keys error (#29697)

Changelog

Breaking Changes 🚨

• 1fbe26a Fritz!: optional unit parameter for multi-unit smarthome devices (BC) (#29570)
• d0d6ef0 MCP: make configurable via UI services card (BC) (#29535)
• b4f9081 OpenWB 2.0: manually configure rfid (BC) (#29352)
• 95fa98e sma-hybrid: separate max charge/discharge power (BC) (#29551)

New Features 💫

• 4e6716c Add Anker SOLIX X1 (#29548)
• 7611aa9 Add Solinteg meter (#29543)
• 975caea Custom charger: add optional finish timer (#29600)
• f08fa0c HomeAssistant Charger: add heating, integrateddevice (#29632)
• d9cc4ec Nissan: add Micra
• 0f5bfe0 Stiebel WPM: re-add power (#29627)
• 002e55f epexprijzen-nl: add engie to provider choices (#29589)

Other Changes ☀️

• f5ce6e7 Battery UI: clarify 100% buffersoc (#29658)
• f2505c0 Bluelink: limit climater to defrost (#29622)
• 19cdc8b Charger: tag templates with meter capability (#29536)
• 0178d32 EEBus meter: clear cached entity refs on disconnect (#29628)
• c96dbed Fritz!: refactor session caching (#29574)
• 1ac513c Loadpoints: track metrics (#29143)
• d7414b7 Octopus DE: stop retrying on permanent auth failure (#29631)
• 6c83a1f Optimizer: increase timeout (#29510)
• ba29520 Revert "PSA: update base url"

Bug Fixes 🐞

• 1a06411 EVBox Elvi: fix template (#29652)
• 06819fd Solis Hybrid S: fix power decoding (#29547)

Changelog

Breaking Changes 🚨

e0c819a Altherma 4: switch template (BC)
4d7fa86 Huawei: allow battery charge from PV in hold mode (BC) (#25024)

New Features 💫

afaf409 Add Afore hybrid inverter (#29197)
873da67 Add EVSE Master (Besen, Telestar, Morec, Sync chargers) (#28359)
1c7cdeb Add Fingrid Co2 tariff (#29329)
aea4408 Heating: add (limit)temp to custom charger (#29270)
90fdd8e Navigation: add version update indicator (#29343)
54a1b0c Sessions UI: Add odometer (mileage) column in table view (#29263)
d37121e Tariff: add stroomprijsprognose.nl grid and co2 (#29320)
289bcdb Templates: add duration funcs (#29368)
07d2acd Tessie: add coarse current (#29442)
dad6cbb vzlogger: add energy uuid (#29492)

Other Changes ☀️

4b10abf Config UI: allow custom device type override (#29340)
35b0333 Easee: reconcile session energy from charger meter at disconnect (#29350)
9b8f29a Ecoflow: use evcc HTTP client for logging (#29530)
67588c2 Em2go: improve connection robustness (#29351)
63459e1 Forecast: temporarily remove adjustment (2) (#29260)
fa51376 Fritz: provide AIN dropdown (#29529)
087f9bb History UI: group data (#29303)
2fb900c History UI: small fixes (#29138)
f20574a Huawei: use correct maximum power (#29354)
7753d88 Indicate cache hits in HTTP trace log (#29533)
033d055 Loadpoint UI: finer energy select (#29298)
7d2f507 Log UI: sort the log area multiselect naturally (#29289)
b0126db Navigation UI: make bottom nav standard (#29357)
1d3a963 Nibe S-series: update docs (#29293)
2d2c953 OCPP: handle firmware management events (#29507)
170226d Remote Access: 1y default expiry (#29404)
1617f4e Remove YAML-specific device template input hints (#29259)
f2f7ecf Revert "Cupra: treat "NotReadyForCharging" aus connected (#29030)"
b9e72b1 Sponsor: prepare for GitHub alternative (#29043)
48f9c74 Update HemsModal.vue with correct link to external control documentation (#29410)
54ea5c6 epex-predictor: update regions (#29497)
4bfc1ba myPV AC Thor: support extra heater on relay (#29266)
3f19b6a refactor: use single modal instances for loadpoint (#29109)

Bug Fixes 🐞

e711cca Config UI: fix editing custom device with type override (#29379)
36c5cc2 Easee: fix charging stop on scale down (#29464)
bd9f690 Optimizer: fix panic in prorate
e3a6d96 Solax: fix grid energy scale (#29439)
551e7ac Stegen Smart EVSE: make charge mode configurable, fix status & keep-alive (#29290)
0918c62 Sungrow iHomeManager: fix voltage and per-phase active power decoding (#27985)
004cb37 fix: reload website when version changes (#29299)

Changelog

New Features 💫

• 2f10657 Add Fritz smarthome REST API support (FritzOS 8.2+) (#29013)
• c968d68 Add domain knowledge docs for AI agents (#29228)

Other Changes ☀️

• 6414d8a Forecast: temporarily remove adjustment (#29244)
• 4de7791 Optimizer: don't send empty requests
• bb93ebf Optimizer: wording on debug view (#29179)
• a0989c1 Reapply "Config UI: better explain optimizer (#29141)"
• f474245 Revert "Config UI: better explain optimizer (#29141)"
• b751090 Solarprognose: deprecate forecast_days (#29249)

Bug Fixes 🐞

• 9138ef8 Fix metrics table migration (#29250)

Changelog

New Features 💫

467c3c5 Add Danfoss inverters using ComLynx RS485 (#29065)
61c06fa Add Stegen Smart Evse (REST API) (#28966)
9b8ac11 Add remote access (#28688)
147dd7b Add support for Connected Cars API (used by Volkswagen Australia) (#28899)
2dbd1a5 Custom devices: add device title to logger name (#29075)
812ffa4 Forecast UI: add feed-in, edge-to-edge layout, design improvements (#29090)
e3709a0 Issue UI: add residualpower to essential data (#29018)
4b94744 Kostal Pico MP: add grid (#29077)

Other Changes ☀️

81b78db Collect 15min energy metrics (#23185)
fbc32e9 Config UI: better explain optimizer (#29141)
ffab2c8 Config UI: don't show "Logout" when started with --disable-auth (#29074)
9f39818 Config UI: don't show "Logout" when started with --disable-auth (#29096)
db11f1d Config UI: make circuits configurable (#27842)
d5c9db0 Config UI: vehicle priority (#29021)
7135ab0 Cupra: treat "NotReadyForCharging" aus connected (#29030)
4c7b04c Device Cards: bool value formatting (#29135)
4b528cd EEBus: handle negative production limits (#29104)
d44bc7f Easee: align observation IDs with official developer docs (#29044)
2693168 Improve config UI dump key ordering: type before config, template first in config (#29081)
b45edd2 Mqtt: reset full/empty times (#29050)
20de0b9 OCPP: proactively trigger BootNotification after WebSocket connect (#28540)
f69252e Optimizer: reduce interval to 15min (#29137)
884f183 PUN tariff: don't fail if next day data is not available (#29092)
b59b71f SMA Hybrid: remove wrong solar energy register (#29034)
995e004 optimizer: skip disabled loadpoints

Bug Fixes 🐞

b28be96 Config UI: fix editing existing OAuth devices (#28012)
acaac11 Docker: fix legacy browser assets (#29068)
0f65fd9 EEBus: fix deadlock on save after validate (#29119)
b6fda32 Enever: fix time parsing (#29129)
21efd23 iOS: fix modal+validation scrolling (#29023)

Changelog

New Features 💫

f79bddd Add Askoma ASKOHEAT+ (#28827)

8144589 Add Lektrico charger (#28195)

b51891b Add MTEC heat pump (#28880)

807fe1a Add OMIE day-ahead tariff for Portugal and Spain (#28768)

a2dc5ba Config UI: add curtailed device info (#28889)

ed3f44f Ecoflow: add battery params (#28903)

Other Changes ☀️

3001cfb Energyflow: forecast/battery navigation (#28918)

e20d765 Forecast UI: compacter, small fixes (#28917)

e75b5e9 Log UI: progress indicator (#28914)

09d319b Mercedes: update application and SDK versions (#28938)

dec0e7d Optimizer: improve error message for solar forecast (#28934)

cebe55d Templates: support IPv6 (#28872)

cf9ea4c UI: prevent multiselect bottomnav overlap (#28901)

71185c5 ghosteebus: propagate context to REST API calls during init (#28951)

Bug Fixes 🐞

462dbd0 Config UI: fix default for required choice params (#28935)

f1408ad Fix chargeMeter capability lookup for decorated chargers (#28920)

4119169 Fix: site soc calc was wrong if some batteries had no capacity (#28910)

Changelog

Breaking Changes 🚨

• f00cde4 Deye-hybrid-3p: merge LV and HV templates (BC) (#28670)

New Features 💫

• 70b17d0 Add GhostEEBus charger (#28573)
• 1c8387c Add Lexus vehicle support (#28836)
• cd02ce1 Add switch devices (#28803)
• 3c10d11 DaheimLaden: add firmware update handling (#28758)
• c785c54 HomeAssistant: add phase switching (#27896)
• 72e6e2c MG: add trace logging for decoded API responses (#28790)
• 188a5d8 Session: add reference price and CO2 (#28712)
• 960aeb0 cli: add curtail/dim (#28877)

Other Changes ☀️

• 764aa45 EEBus: always send OPEV and OSCEV limits together (#28761)
• d517f92 Easee: remove incorrect ReasonDisconnectRequired for ModeCompleted (#28781)
• d5e0d27 Goodwe: decode float32 (#28765)
• d42c799 Goodwe: restore wifi implementation (#28759)
• 7ec10e0 Goodwe: use legacy wifi for ET series (#28791)
• fe5492c Navigation: solid blur fallback (#28755)
• b93061b Optimizer: enable by default (#28213)
• 196c56f Safari: revert websocket redirect workaround (#28753)
• 536ebcb TWC3: allow fast charging when vehicle does not support current control (#28802)

Bug Fixes 🐞

• 397b3c0 55aa: fix PDU slave id for ET series (#28828)
• 529e169 Add Marstek Venus A, D and fix Venus E, E Gen 2.0, Venus C and E Gen 3.0 (#28855)
• 3967594 Fix auth handler race condition (#28864)
• bb07ec0 Optimizer: fix timestamp generation (#28677)
• 1f313f6 Raedian: fix enabled (#28696)
• e995c83 Smartfox: fix id selector (#28371)
• 59c49e7 Solarprognose.de: fix gaps and undeprecate (#28642)

Changelog

Breaking Changes 🚨

• ed8f52e Goodwe Wifi: support for DT series via aa55 pseudo-modbus protocol (BC) (#28396)
• 00967eb Replace combinatorial decorators with capability registry (BC) (#28565)
• 7c6f069 Vaillant: support more countries (BC) (#28096)

New Features 💫

• f7b214d Add EcoFlow Stream (#28158)
• a687f30 Add Everhome Ecotracker (#28547)
• 21d0c0a DaheimLaden: Add debug log for phase switch in progress (#28694)
• 82001f3 Docker: add healthcheck on port 7070 (#28606)
• e988dea Ostrom: add SimplyDynamic_V2 contract type (#28726)
• bd9769c Teslamate: add charged energy (#28611)
• 0d02794 Teslamate: add climater (#28463)
• 1369339 Teslamate: add finishtime (#28405)
• 01e0956 Teslamate: add gps position (#28626)
• bd4b5e3 Tessie: add finishtime, position and charged energy (#28692)
• 420a0e9 Victron: add phase switching (#28408)

Experimental Features 🧪

• ad03bcb Forecast: only adjust y-scale if experimental (#28548)

Other Changes ☀️

• 948dda0 Battery Boost UI: disable button when battery on hold (#28489)
• de5b93e Bender: handle invalid power meter reading (#28644)
• 88cc66a Charts: ensure light/dark mode color updates (#28645)
• f3f0310 Config UI: consistent sorting oof loadpoint status values (#28701)
• ef365f7 Config UI: ensure cleanup when template switch (#28552)
• 5735849 Config UI: network settings on fatal (#28501)
• a35135a DaheimLaden Pro: update firmware requirements (#28499)
• a252178 EMS-ESP: make SG-Ready inputs and bitmask values configurable (#28681)
• d921a82 Easee: disable phase switching on non TN grid installations (#28411)
• 6115c08 Forecast UI: no savings-modal rerender, fixed safari scroll overlays (#28660)
• 3059749 OpenWB native: release GPIOs when closing (#28532)
• f4932f9 Optimizer: publish results as single MQTT message (#28610)
• 33d2de2 Planner UI: remove step from time input (#28585)
• 13152b4 Polestar: use oauth2 (#28604)
• ea3388d Revert "Teslamate: switch battery_level to usable_battery_level (#28665)"
• c4f6e56 Safari: restore iOS 12 support (#28638)
• 863e1a7 Teslamate: switch battery_level to usable_battery_level (#28665)
• 7b5103d UI: New Navigation, Battery & Forecast Page (#27753)

Bug Fixes 🐞

• f6e4a5b AlphaESS: fix pv energy (#28640)
• 23c6bbb Fix EEBus UI config: save fails after successful validation (#28592)
• 2d3e7ed Fix invalid data panic
• 712be97 Navigation: fix chrome blur (#28602)
• 803cc31 Openevse: fix api (#28479)
• cb19de4 Polestar: fix resume path and adjust regex (#28466)
• d7436cd Safari: fix scrollbar overlay issue (#28605)
• 2499c09 Sessions: fix sticky table bottom
• 32cfc5a UI: fix bottom spacing (#28658)
• 377d3d1 fix: OCPP test race on logger and connector clock (#28460)

Changelog

New Features 💫

• ce9ea23 Add IoTaWatt meter (#28331)
• a70a140 EpexPredictor: add hourly averaging (#28343)

Other Changes ☀️

• b0ee444 BMW CarData: implement api.VehiclePosition (#28342)
• d96b045 Cancel context of broken devices to release resources (#28423)
• 8f2a6f0 Config UI: reduce layout shift (#28413)
• 5877d0a Easee: extract CommandDispatcher for async command correlation (#28036)
• 9b7add3 Energyflow UI: first load stability (#28401)
• 40af84f Esios: extend forecast range (#28326)
• 241efd8 HomeAssistant: always call services by domain (#28280)
• cfec1b6 Loadpoint: log battery boost errors (#28403)
• 5220bbf Loadpoint: order setting min and max current (#28425)
• b5fefcc Revert "Easee: clear stale live measurements on cloud disconnect" (#28287)

Bug Fixes 🐞

• 3261ad2 Easee: fix stale power/current readings when charger goes offline (#28362)
• 99902ef Issue UI: fix api warning (#28386)
• 708b1c8 Octopus: fix tariff rates to planning window (#28313)
• 1d5cdca OpenEVSE: fix http 404
• d2a8813 Optimizer: fix result timestamps
• 1f9845b Plan UI: Fix inaccurate day formatting for negative TZs (#28433)
• 452a130 fix/refactor: modbus form (#28226)
• 76b453c fix: restore iOS 12 support (#28436)

Changelog

Breaking Changes 🚨

• 69db34e HEMS: refactor handling of production/feedin limits (BC) (#27567)
• c9876e3 Migrate optimizer (BC) (#28088)

New Features 💫

• 16812ad Add RAEDIAN NEO and NEX AC charger (#28053)
• e269de1 Audi: add vehicle features (#28185)
• 86e2014 ChargeX: add heartbeat to prevent PAC_Target_Timeout fallback (#27795) (#28059)
• c4a30f3 Heating: add continuous feature to improve heatpump experience (#28025)
• b773581 Issues: add tariff and messenger devices, sorting (#28072)
• f951da3 Sigenergy: add maxacpower (#28223)
• 1f79527 Subaru: add x-channel header (#28177)
• e808bec Tariff UI: add multiline formula support (#28219)
• 29cab75 Versicharge: add mA regulation (#28173)

Other Changes ☀️

• cc4beb0 Debian packaging: properly handle /etc/evcc-userchoices.sh lifecycle (#27989)
• 3ca265f Delta AC: firmware requirement (#28188)
• c855b0b Easee: clear stale live measurements on cloud disconnect (#28078)
• 6e12bd9 Gpio plugin: Raspberry Pi 5 compatibility (#27815)
• 73c1fc4 Hassio Addon: sync changelog on release publish/edit (#28074)
• 77e1c88 HomeAssistant: allow inverting entities by prepending minus sign (#28020)
• b636d37 Loadpoint: show remaining duration when soc estimator is disabled (#27772)
• 1ea07c6 Modbus: close connection when unregistering (#28034)
• 6c9adf9 Octopus DE: support time-of-use and simple tariffs (#28001)
• f528dca Optimizer: use SCapacity (#28212)
• c5b7224 Publish minSocNotReached state (#28218)
• 41ed91a SGReady: improve logging
• b7fd7e4 SHM: make serial configurable (#28198)
• 12be9ad Safari: web socket bug redirect workaround (#28109)
• dba93a9 Server: prevent html cache (#28154)
• b10c9e7 Solis Hybrid S: better active battery control support (#27796)
• 73330ab Trydan: remove broken session energy and duration (#28104)
• a0dccea Websocket: split welcome message (#27967)

Bug Fixes 🐞

• a8ad65d Mercedes: fix auth (#28049)
• 03991ba Nexblue: fix phase switching API endpoint (#28080)
• d680fff Planner: fix this.updatePlanPreviewDebounced is null (#28197)
• d8084ed Websocket: fix logging breaking digest auth (#28087)
• beec6f7 fix: Add GH_TOKEN for changelog generation step (#28155)

Changelog

New Features 💫

• b6fdd75 Add Sessy P1 meter and battery (#27956)
• 1a810ef OVMS: add climater (#28011)
• e03233b Revert "OVMS: add climater (#28011)"

Other Changes ☀️

• 06df09b E.G.O. Smart Heater: update docs (#27987)
• 16d1258 Easee: warn on rogue CommandResponse not triggered by evcc (#27916)
• 1487d37 OCPP: wait for BootNotification after CP connection (#27309)
• 4d7a079 Warp: enable phase switching when Energy Manager present (#27962)

Bug Fixes 🐞

• 56c1d56 Loadpoint: fix fast charging phase scaling (#27972)