Change your battery's settings
Battery Coach works out the best settings for your plan (Battery tab → Recommended battery settings) but never changes your battery itself. Here's where each setting lives in your battery's own app, from the maker's manual. Your installer can also set them for you.
FoxESS · FoxCloud 2.0
- Work mode: self-usePlant (bottom bar)Work ModeSelf-useManual, page 30 →
- Backup reserve (minimum charge)Quick SettingsSystem Min. SOCFoxESS calls the backup reserve "System Min. SOC": the battery stops discharging at this level while the grid is on.Manual, page 23 →
- Charge from the grid in the cheap periodPlantWork ModeMode SchedulerAdd a ScheduleMode: Force Chargestart and end timetarget SOCConfirmSaveForce Charge with a target SOC needs recent firmware (H3 Smart: master 1.46 / manager 1.28; H1-G2: manager 1.73; KH: manager 1.64 / master 1.68). If it isn't offered, ask your installer to update the firmware.Manual, page 32 →
- Keep the battery free for the evening peakMode SchedulerMake sure no Mode Scheduler period covers the evening peak, so the battery runs in Self-use then.Maker's guide →
- Stop discharging in the cheap period (optional)Mode SchedulerAdd a ScheduleMode: BackupFoxESS has no separate "don't discharge" switch. A Backup period stops discharging until the battery reaches its backup level; check with your installer that this suits your model.Maker's guide →
Source: FoxCloud App 2.0 User Manual (FoxESS Australia) · FoxCloud mode selection guide (FoxESS Australia, July 2026) · Schedule charging and discharging, by brand (GloBird Energy). Checked 31 Oct 2026.
Sungrow · iSolarCloud
- Work mode: self-useDeviceyour Energy Storage SystemSettingsEnergy ManagementSelf-consumptionMaker's guide →
- Backup reserve (minimum charge)DeviceEnergy Storage SystemSettingsPower ControlReserved battery SOC for off-gridTurn on the backup option first, then enter the percentage to keep. The app asks you to confirm twice.Maker's guide →
- Charge from the grid in the cheap periodDeviceEnergy Storage SystemSettingsEnergy Management ParametersForced Charging: onForced Charging Valid DayForced Charging Start Time 1 / End Time 1Forced Charging Target SOC 1(%)ApplyThere's a second period (Start Time 2) if you need one. Newer app versions use a "Custom time period" timeline instead: tap the charge bar and choose "Set target SOC".Maker's guide →
- Keep the battery free for the evening peakEnergy Management ParametersCheck neither forced-charging period runs into the evening peak.Maker's guide →
- Stop discharging in the cheap period (optional)Energy ManagementCustom time periodOn app versions with the time plan, leave the cheap overnight window without a discharge period. Older versions can't stop discharging by time.Maker's guide →
Source: Sungrow iSolarCloud energy management (Sungrow support) · Time plan setup (Sungrow support) · Charge a Sungrow battery from the grid (Lightforce guide). Checked 31 Oct 2026.
GoodWe · SEMS Portal
Some GoodWe systems only let the installer change the working mode. If "configure" isn't there, ask your installer.
- Work mode: self-useDashboard: devices on site iconConfigure (agree to the conditions)Working modeGeneral / Self-use modeSome app versions call this "Inverter Control" (or "Device Parameters") → "Work Mode" instead.Maker's guide →
- Backup reserve (minimum charge)ConfigureWorking modeDOD on-grid settingGoodWe sets how deep the battery may discharge (DOD), not a reserve. For a 20% reserve set DOD on-grid to 80%. Keep "DOD off-grid" higher so there's charge for a blackout.Maker's guide →
- Charge from the grid in the cheap periodConfigureWorking modeEco modeAdd time periodCharge, to the target SOCRepeat: dailySave, then switch the schedule onMaker's guide →
- Keep the battery free for the evening peakWorking modeMake sure no Eco mode period covers the evening peak.Maker's guide →
Source: How to use your GoodWe SEMS Portal (Lightforce guide) · GoodWe battery scheduling (Flow Power guide). Checked 31 Oct 2026.
Tesla · the Tesla app
- Work mode: self-useSettingsPowerwallOperational ModeSelf-PoweredIf your plan has cheap overnight power, "Savings" (Time-Based Control) does steps 3–5 for you once your rate plan is entered.Maker's guide →
- Backup reserve (minimum charge)SettingsPowerwallBackup Reserve slider0% to 80%. "Max Backup" raises it to 100% for up to 72 hours before a storm.Maker's guide →
- Charge from the grid in the cheap periodSettingsPowerwallOperational Mode: Time-Based Control ("Savings")Utility Rate PlanStart Over or Editenter the peak and off-peak times and pricesSavePowerwall decides how much to charge from the grid off-peak; it can't be given a target percentage. Grid charging may need to be allowed under Advanced Settings.Maker's guide →
- Keep the battery free for the evening peakUtility Rate PlanEnter the evening peak exactly as your plan has it, so Powerwall saves its charge for then.Maker's guide →
Source: Powerwall: Backup Reserve (Tesla support) · Powerwall: Time-Based Control / Savings (Tesla support) · Powerwall modes with solar (Tesla Australia) · Schedule charging and discharging, by brand (GloBird Energy). Checked 31 Oct 2026.
AlphaESS · AlphaCloud
- Work mode: self-useSystemSettings (top-right icon)Charging/Discharging SettingsAlphaESS runs in self-use by default; there's no separate work-mode switch for most models.Maker's guide →
- Backup reserve (minimum charge)SettingsCharging/Discharging Settingsdischarge stop SOCKeep it around 10–20% so the battery doesn't stop early in the evening.Maker's guide →
- Charge from the grid in the cheap periodSettingsCharging/Discharging SettingsCharge Batteries from the Grid: oncharging periodcharge stop SOCMaker's guide →
- Keep the battery free for the evening peakCharging/Discharging SettingsMake sure the charging period doesn't overlap the evening peak.Maker's guide →
- Stop discharging in the cheap period (optional)SettingsCharging/Discharging SettingsBattery Discharge Time Control: onset the discharge period to the eveningWith discharge time control on, the battery only discharges in the periods you set.Maker's guide →
Source: AlphaESS app: Function Settings (AlphaESS documentation) · AlphaESS battery scheduling (Flow Power guide). Checked 31 Oct 2026.
Sigenergy · mySigen
- Work mode: self-useHomeModeOr Setting → Operational Mode. Choose Self-Consumption Mode. "Sigen AI Mode" learns your use and prices and makes its own choices instead.Manual, page 12 →
- Backup reserve (minimum charge)SettingBackup ReserveNeeds a Sigen Gateway. While the grid is on, the battery stops discharging at this level.Manual, page 16 →
- Charge from the grid in the cheap periodHomeCurrent ModeTime-based ControlScheduleEditadd a Charge periodSaveTime-based Control is in newer app versions than the manual. Outside the periods you add, the battery runs in self-consumption. If you can't find it, ask your installer or use Sigen AI Mode.Maker's guide →
- Keep the battery free for the evening peakTime-based ControlScheduleMake sure no charge period covers the evening peak.Maker's guide →
Source: mySigen App User Manual (Sigenergy, v01) · Sigenergy battery scheduling (Flow Power guide) · Schedule charging and discharging, by brand (GloBird Energy). Checked 31 Oct 2026.
BYD
BYD batteries are set up in the inverter's app (for example FoxESS, GoodWe or Sungrow): follow the steps for that brand.
App menus change between versions. If yours looks different, tell us and we'll update this page.