Knowledge Base Help & Guidance Read through our catalogue of guides and support articles. -App & CloudApp & Cloud FeaturedArticlesFox Cloud App Service Disruption-VideoFebruary 2026 News Bulletin-App & CloudSetting force charge & schedules, Fox Cloud version ≥ 2.2.0-EP BatteriesEP Batteries FeaturedEP Battery expansion with mixed version types-App & CloudApp & Cloud FeaturedH1-G2VideoInverter firmware updates now available directly in the Fox Cloud App-EvoEvo FeaturedF SeriesF Series FeaturedG SeriesG Series FeaturedH1-G2H1-G2 FeaturedK SeriesK Series FeaturedPowerQPowerQ FeaturedS SeriesS Series FeaturedUPDATED: CT clamp (single-phase) installation guidance & troubleshooting-App & CloudApp & Cloud FeaturedVideoReconnecting your Fox Cloud device – what to do when Wi-Fi drops-App & CloudApp & Cloud FeaturedEvoH1-G2H3 PlusH3 SmartK SeriesVideo5-second live energy flow available on FoxCloud for selected devices-General TopicsUpdatesFox ESS and Axle Energy partner to unlock new value for distributed energy assets-General TopicsVideoDecember 2025 News Bulletin-General TopicsFoxCast Launches – The New Voice of Fox ESS UK-App & CloudApp & Cloud FeaturedDatalogger (WiFi/LAN/4G) inverter compatibility (updated)-EvoEvo FeaturedH1-G2H1-G2 FeaturedK SeriesK Series FeaturedPowerQPowerQ FeaturedUnderstanding cable & breaker sizing on Fox ESS single-phase Hybrid Inverters-H3 PlusH3 Plus FeaturedVideoH3 Plus Installation Guide-CQ16CQ16 FeaturedH3 PlusH3 Plus FeaturedCQ16 Battery Config Guide-EvoEvo FeaturedSmart Logger & AI LinkSmart Logger & AI Link FeaturedEvo parallel install using AI Link-ECS/EQ BatteriesEP BatteriesH1-G2H3 ProH3 SmartK SeriesComing soon: Fox cable covers-EvoEvo FeaturedVideoMounting of Fox EVO-General TopicsFox ESS at Solar & Storage Live 2025-ECS/EQ BatteriesEP BatteriesEvoArc flash risk assessment templates to support IET CoP & PAS 63100 compliance-EvoH1-G2K SeriesPowerQProduct launch: EPS BOX-SP-EvoEvo FeaturedVideoEVO installation video overview-General TopicsH3H3 SmartH3 Smart FeaturedNew product release: H3 Smart-F SeriesG MaxG SeriesH1-G2H3H3 ProH3 SmartK SeriesPowerQR SeriesS SeriesV SeriesG98/99/100 type test report downloads-F SeriesG SeriesH1-G2H1-G2 FeaturedK SeriesK Series FeaturedS SeriesWireless meter install guide for single-phase inverters-H1-G2H3H3 ProK SeriesR SeriesFault current contribution data-General TopicsPAS63100 checklist template-App & CloudUnable to find the Datalogger using Bluetooth-ECS/EQ BatteriesEP BatteriesGeneral TopicsH1-G2K SeriesFoxESS ‘Works With Hive’ install guide-EvoF SeriesG SeriesH1-G2H3H3 SmartK SeriesPowerQR SeriesS SeriesV SeriesWhy FoxESS recommends a minimum 100mA RCD on the AC side-EvoF SeriesG SeriesH1-G2H3H3 ProH3 SmartK SeriesPowerQR SeriesS SeriesV SeriesWhy does FoxESS recommend higher-rated MCBs than the inverter’s output?-EV ChargersEV Chargers FeaturedH1-G2L Series EV charger PV linkage-H1-G2H3H3 ProH3 SmartK SeriesWhy does my inverter make a high-pitched sound?-General TopicsFoxESS installer compliance bulletin: PAS 63100, arc flash, and IEC standards overview-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedPowerQPowerQ FeaturedWhy your battery feels “smaller” in winter — a technical look at cold weather performance-F SeriesGeneral TopicsH1-G2H3H3 ProH3 SmartK SeriesPowerQR SeriesS SeriesV SeriesPV oversizing with Fox ESS inverters: what you need to know-ECS/EQ BatteriesEP BatteriesH1-G2H3H3 ProH3 SmartHV2600 RangeK SeriesMIRA HV25How to calculate maximum battery charge rates-ECS/EQ BatteriesEP BatteriesBattery safety, protections and fire risk mitigation-App & CloudApp & Cloud FeaturedEP BatteriesVideoControlling battery warm-up function via Fox Cloud-H3H3 FeaturedH3/AC3 parallel set-up guide-K SeriesK Series FeaturedK Series parallel set-up guide-H1-G2H1-G2 FeaturedH1/AC1-G2 parallel set-up guide-App & CloudApp & Cloud FeaturedFox Cloud forgotten password & how to reset-General TopicsVideoInside the Fox production facility-General TopicsGuide to solar PV performance throughout the year-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedHV2600 RangeLV BatteriesMIRA HV25Understanding battery degradation: how LFP cells age over time-App & CloudNo system data on login (using a VPN)-App & CloudApp not updating despite system being online-H3H3 ProLarger CT clamps for Chint 3-phase modbus meter-General TopicsWhat happens if my installer goes out of business?-ECS/EQ BatteriesEP BatteriesHV2600 RangeLV BatteriesMIRA HV25Battery voltage check, fuse check and charging points on LV5200, LV52, ECS/EQ and EP batteries-App & CloudApp & Cloud FeaturedVideoWiFi connection & account set-up guide for agents & installers (using WiLan datalogger)-Micro InvertersMicro Inverters FeaturedVideoMicroinverter plant creation on Fox Cloud app-Micro InvertersMicro Inverters FeaturedVideoMicroinverter installation overview-G MaxG Max FeaturedVideoGMAX installation overview-ECS/EQ BatteriesEP BatteriesPowerQMCS battery classifications explained-EP BatteriesEP Batteries FeaturedMixing EP5/EP11 heated & non-heated batteries-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedInsulation guidance for non-heated batteries-EP BatteriesHow to determine if my EP battery has the heating function?-EP BatteriesEP Batteries FeaturedEP battery quick installation guide-ECS/EQ BatteriesECS/EQ Batteries FeaturedHV2600 RangeMIRA HV25Battery matching and version type guide-H3H3 FeaturedH3 ProH3 Pro FeaturedH3 SmartH3 Smart Featured3 phase Chint meter installation guide and troubleshooting-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedHV2600 RangeMIRA HV25Battery sizing guide for ECS, EQ HV2600, MIRA HV25 and EP batteries-App & CloudH3 ProH3 Pro FeaturedSmart Logger & AI LinkSmart Logger & AI Link FeaturedAI Link set-up guide for H3 Pro-App & CloudApp & Cloud FeaturedWill the datalogger work with 5 GHz band?-EP BatteriesVideoEP battery installation video overview-ECS/EQ BatteriesEP BatteriesHV2600 RangeMIRA HV25Hybrid inverter/AC charger shutdown/restart procedure-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedBattery expansion – time limit and expansion process-App & CloudApp & Cloud FeaturedWhy am I importing energy from the grid when batteries are charged & other app anomalies-General TopicsWhy is the inverter recording a higher grid voltage than that directly recorded at the incoming supply?-General TopicsThe Voc of a string exceeds the inverter start-up voltage, so why is there little or no output?-F SeriesG SeriesH1-G2K SeriesPowerQS SeriesCT clamp – maximum allowed distance from the inverter-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedFoxESS batteries in low temperatures (non heated batteries)
-App & CloudApp & Cloud FeaturedH1-G2VideoInverter firmware updates now available directly in the Fox Cloud App
-EvoEvo FeaturedF SeriesF Series FeaturedG SeriesG Series FeaturedH1-G2H1-G2 FeaturedK SeriesK Series FeaturedPowerQPowerQ FeaturedS SeriesS Series FeaturedUPDATED: CT clamp (single-phase) installation guidance & troubleshooting
-App & CloudApp & Cloud FeaturedVideoReconnecting your Fox Cloud device – what to do when Wi-Fi drops
-App & CloudApp & Cloud FeaturedEvoH1-G2H3 PlusH3 SmartK SeriesVideo5-second live energy flow available on FoxCloud for selected devices
-General TopicsUpdatesFox ESS and Axle Energy partner to unlock new value for distributed energy assets
-EvoEvo FeaturedH1-G2H1-G2 FeaturedK SeriesK Series FeaturedPowerQPowerQ FeaturedUnderstanding cable & breaker sizing on Fox ESS single-phase Hybrid Inverters
-EvoEvo FeaturedSmart Logger & AI LinkSmart Logger & AI Link FeaturedEvo parallel install using AI Link
-ECS/EQ BatteriesEP BatteriesEvoArc flash risk assessment templates to support IET CoP & PAS 63100 compliance
-F SeriesG MaxG SeriesH1-G2H3H3 ProH3 SmartK SeriesPowerQR SeriesS SeriesV SeriesG98/99/100 type test report downloads
-F SeriesG SeriesH1-G2H1-G2 FeaturedK SeriesK Series FeaturedS SeriesWireless meter install guide for single-phase inverters
-EvoF SeriesG SeriesH1-G2H3H3 SmartK SeriesPowerQR SeriesS SeriesV SeriesWhy FoxESS recommends a minimum 100mA RCD on the AC side
-EvoF SeriesG SeriesH1-G2H3H3 ProH3 SmartK SeriesPowerQR SeriesS SeriesV SeriesWhy does FoxESS recommend higher-rated MCBs than the inverter’s output?
-General TopicsFoxESS installer compliance bulletin: PAS 63100, arc flash, and IEC standards overview
-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedPowerQPowerQ FeaturedWhy your battery feels “smaller” in winter — a technical look at cold weather performance
-F SeriesGeneral TopicsH1-G2H3H3 ProH3 SmartK SeriesPowerQR SeriesS SeriesV SeriesPV oversizing with Fox ESS inverters: what you need to know
-ECS/EQ BatteriesEP BatteriesH1-G2H3H3 ProH3 SmartHV2600 RangeK SeriesMIRA HV25How to calculate maximum battery charge rates
-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedHV2600 RangeLV BatteriesMIRA HV25Understanding battery degradation: how LFP cells age over time
-ECS/EQ BatteriesEP BatteriesHV2600 RangeLV BatteriesMIRA HV25Battery voltage check, fuse check and charging points on LV5200, LV52, ECS/EQ and EP batteries
-App & CloudApp & Cloud FeaturedVideoWiFi connection & account set-up guide for agents & installers (using WiLan datalogger)
-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedInsulation guidance for non-heated batteries
-ECS/EQ BatteriesECS/EQ Batteries FeaturedHV2600 RangeMIRA HV25Battery matching and version type guide
-H3H3 FeaturedH3 ProH3 Pro FeaturedH3 SmartH3 Smart Featured3 phase Chint meter installation guide and troubleshooting
-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedHV2600 RangeMIRA HV25Battery sizing guide for ECS, EQ HV2600, MIRA HV25 and EP batteries
-App & CloudH3 ProH3 Pro FeaturedSmart Logger & AI LinkSmart Logger & AI Link FeaturedAI Link set-up guide for H3 Pro
-ECS/EQ BatteriesEP BatteriesHV2600 RangeMIRA HV25Hybrid inverter/AC charger shutdown/restart procedure
-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedBattery expansion – time limit and expansion process
-App & CloudApp & Cloud FeaturedWhy am I importing energy from the grid when batteries are charged & other app anomalies
-General TopicsWhy is the inverter recording a higher grid voltage than that directly recorded at the incoming supply?
-General TopicsThe Voc of a string exceeds the inverter start-up voltage, so why is there little or no output?
-ECS/EQ BatteriesECS/EQ Batteries FeaturedEP BatteriesEP Batteries FeaturedFoxESS batteries in low temperatures (non heated batteries)
