{"product_id":"sim-card-solar-inverters","title":"4G SIM Card for Solar Inverters \u0026 Battery Monitoring","description":"\u003cp\u003eKeep your solar monitoring online for up to 8 years — without a monthly SIM bill.\u003c\/p\u003e\n\u003cp\u003eA long-validity 4G data SIM for solar inverter 4G dongles, battery monitoring modules and communication hardware that accept a user-supplied physical SIM. One payment up front. No monthly SIM fees. No recharge cycles. Built for the way solar monitoring actually works: tiny data, always on, installed once and left alone for years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✓ \u003cstrong\u003ePay once, use for 1, 3, 5 or 8 years\u003c\/strong\u003e — no monthly fees, no auto-renewals\u003c\/li\u003e\n\u003cli\u003e✓ \u003cstrong\u003eFor BYO-SIM modules\u003c\/strong\u003e — 4G dongles and communication modules with a physical SIM slot and configurable APN\u003c\/li\u003e\n\u003cli\u003e✓ \u003cstrong\u003eTriple-cut SIM\u003c\/strong\u003e — Standard, Micro and Nano — no separate adapter\u003c\/li\u003e\n\u003cli\u003e✓ \u003cstrong\u003eTelstra + Optus 4G access\u003c\/strong\u003e — network selection depends on local coverage and the module’s supported carrier behaviour\u003c\/li\u003e\n\u003cli\u003e✓ \u003cstrong\u003eData-only\u003c\/strong\u003e — monitoring uploads need data, not calls or SMS\u003c\/li\u003e\n\u003cli\u003e✓ \u003cstrong\u003eLong validity\u003c\/strong\u003e — no recharge deadlines to manage for a module on a roof or in a shed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e most home solar systems upload monitoring data over Wi-Fi or Ethernet — but where Wi-Fi is unavailable or unreliable, many inverter and battery brands offer a 4G dongle or communication module. If that module accepts a user-supplied physical SIM and allows APN configuration, this SIM provides the 4G data connection (Telstra + Optus access, Australia) on a one-time payment lasting 1 to 8 years.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eWill it work with my inverter or battery system?\u003c\/h2\u003e\n\u003cp\u003eThe inverter brand alone doesn’t decide compatibility — the 4G communication module does. Check this first:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Suitable if your setup has:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA 4G LTE dongle or communication module with a physical SIM slot (Standard, Micro or Nano)\u003c\/li\u003e\n\u003cli\u003eSupport for a user-supplied (BYO) SIM with configurable APN\u003c\/li\u003e\n\u003cli\u003eData-only operation (no SMS or voice needed)\u003c\/li\u003e\n\u003cli\u003eMonitoring data use of no more than 1GB per month (solar monitoring is typically far below this)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e❌ May not be suitable if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour system uploads over Wi-Fi or Ethernet only — no cellular module fitted (a SIM has nowhere to go)\u003c\/li\u003e\n\u003cli\u003eThe module uses a non-removable eSIM or manufacturer-managed connectivity bundled with a subscription\u003c\/li\u003e\n\u003cli\u003eThe module’s documentation restricts which SIMs or carriers its 4G features support — some do; check yours or ask us before ordering\u003c\/li\u003e\n\u003cli\u003eAPN settings can only be changed with installer-level access you don’t have\u003c\/li\u003e\n\u003cli\u003eThe module is 2G or 3G only, or LTE-M-only \/ NB-IoT-only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure?\u003c\/strong\u003e Contact us with the inverter brand, inverter model and the communication module (dongle) model — we’ll check compatibility for free before you order.\u003c\/p\u003e\n\u003ch2\u003eBrands and module types to check\u003c\/h2\u003e\n\u003cp\u003eCompatibility is decided by the communication module, not the inverter brand alone. The brands below have documented or commonly observed 4G monitoring paths where a BYO SIM may apply in selected setups. Listed does not mean guaranteed compatible — confirm the exact module before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolarEdge cellular plug-ins\u003c\/strong\u003e — selected plug-ins support a non-SolarEdge SIM and APN configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolis 4G Wi-Fi + cellular sticks\u003c\/strong\u003e — current 4G models may support a user-supplied SIM, depending on version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSungrow 4G communication dongles\u003c\/strong\u003e — worth checking where the bundled network coverage is insufficient and a different carrier’s SIM may be required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodWe 4G kits and modules\u003c\/strong\u003e — APN customisation is documented; confirm whether your kit is BYO-SIM or pre-installed-SIM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSigenergy communication modules\u003c\/strong\u003e — check whether the fitted 4G module accepts a user-supplied SIM for monitoring upload.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot listed? Send us the inverter brand, inverter model and communication module model before ordering — we can help check whether a BYO-SIM setup is realistic. For brand-by-brand detail, see the \u003ca href=\"\/pages\/solar-inverter-sim-guide\"\u003esolar inverter SIM guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eFor solar installers and multi-site projects\u003c\/h2\u003e\n\u003cp\u003eIf you install 4G communication modules across multiple solar, battery or shed systems, a long-validity SIM can reduce ongoing connectivity admin after handover.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo monthly billing to manage per customer site\u003c\/li\u003e\n\u003cli\u003e1, 3, 5 or 8 year validity options\u003c\/li\u003e\n\u003cli\u003eSame APN across compatible devices: \u003ccode\u003emobile\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for low-data monitoring modules where BYO SIM is supported\u003c\/li\u003e\n\u003cli\u003eVolume pricing available for multi-SIM orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSend us the module models and estimated quantity before ordering — we can help check compatibility and recommend a plan mix.\u003c\/p\u003e\n\u003ch2\u003eWhy solar monitoring suits a pay-once, multi-year SIM\u003c\/h2\u003e\n\u003cp\u003eA solar or battery system stays on the roof for 10–25 years, and its monitoring module is configured once — often by an installer — then left alone. Consumer prepaid services depend on recharge and service-expiry rules designed for phone users, not unattended devices: miss a recharge deadline and the monitoring quietly goes offline, often unnoticed until you wonder why the app stopped updating months ago. And solar monitoring sips data — a recurring monthly fee is the real cost, not the data. This SIM replaces that recurring management with a single upfront validity of 1, 3, 5 or 8 years. When comparing options, weigh \u003cstrong\u003etotal cost across the life of the system\u003c\/strong\u003e, not the monthly headline.\u003c\/p\u003e\n\u003ch2\u003eChoose your plan\u003c\/h2\u003e\n\u003cp\u003eSolar and battery monitoring is genuinely low-data — uploads are small status and production readings, not video:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003ePlan\u003c\/th\u003e\n\u003cth\u003eTypical fit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e100MB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle inverter or simple battery monitoring where the module’s own documentation indicates low monthly usage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e200MB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHybrid\/battery systems with more frequent reporting, or added margin — a common starting point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e500MB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultiple devices behind one connection, or high-frequency commercial reporting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1GB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSite gateways and heavier commercial telemetry (product ceiling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis is guidance, not a measured average — check your module’s documentation for its own data estimate, or send us the model.\u003c\/p\u003e\n\u003ch2\u003eValidity\u003c\/h2\u003e\n\u003cp\u003eChoose \u003cstrong\u003e1, 3, 5 or 8 years\u003c\/strong\u003e. Validity begins the day the SIM first connects — not at purchase or shipping — so an installer can order ahead and fit the SIM at commissioning. Plans are extendable; contact support before expiry.\u003c\/p\u003e\n\u003ch2\u003eWhat’s included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 4G LTE data SIM card\u003c\/li\u003e\n\u003cli\u003e1 × SIM ejector pin\u003c\/li\u003e\n\u003cli\u003eTriple-cut SIM — fits Standard, Micro and Nano slots, no separate adapter\u003c\/li\u003e\n\u003cli\u003eSetup instructions\u003c\/li\u003e\n\u003cli\u003eFree shipping Australia-wide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck compatibility\u003c\/strong\u003e — the 6-point check below, or ask us with your models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your plan\u003c\/strong\u003e — data (100MB–1GB) × validity (1\/3\/5\/8 years).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWe ship from Melbourne\u003c\/strong\u003e — free Australia-wide delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the SIM\u003c\/strong\u003e into the communication module’s SIM slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet the APN\u003c\/strong\u003e — the APN for this Lemon Mobile SIM is \u003ccode\u003emobile\u003c\/code\u003e (username and password blank), entered in the module or its configuration app per the manufacturer’s instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow a few minutes\u003c\/strong\u003e for first network registration, then confirm data upload in your monitoring app or portal — first connection is also when validity starts.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eNetwork access in Australia\u003c\/h2\u003e\n\u003cp\u003eThis SIM has access to both \u003cstrong\u003eTelstra and Optus 4G\u003c\/strong\u003e rather than being tied to one carrier’s footprint — useful for rural properties, sheds and sites where a single network’s coverage is marginal. Network selection depends on local coverage and the module’s supported carrier behaviour. Beyond terrestrial mobile coverage, a cellular SIM cannot connect; satellite-based connectivity may be required for truly off-grid sites.\u003c\/p\u003e\n\u003ch2\u003eImportant compatibility notes\u003c\/h2\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eThe module decides, not the inverter brand.\u003c\/strong\u003e The same brand can ship Wi-Fi-only, eSIM-managed and BYO-SIM module variants. Compatibility is determined by the exact communication module fitted to your system.\u003c\/p\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eData-only — no voice or SMS.\u003c\/strong\u003e Solar monitoring modules communicate over mobile data; if a module requires SMS for its operation or setup, this SIM isn’t suitable.\u003c\/p\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003e4G LTE required.\u003c\/strong\u003e Australia’s 3G networks have closed — TPG\/Vodafone in January 2024, Telstra and Optus by November 2024. A 2G\/3G-only module can’t be revived by any SIM.\u003c\/p\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eSome modules restrict SIMs, roaming or carriers.\u003c\/strong\u003e A number of solar ecosystems mention designated connectivity, carrier conditions, roaming behaviour or bundled SIM arrangements in their documentation. If your module’s manual mentions SIM or carrier requirements, check with the manufacturer or with us before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help connecting?\u003c\/strong\u003e The APN for this SIM is \u003ccode\u003emobile\u003c\/code\u003e (username\/password blank). For connection paths, brand notes and troubleshooting, see the \u003ca href=\"\/pages\/solar-inverter-sim-guide\"\u003esolar inverter SIM guide\u003c\/a\u003e — or contact us and we’ll work through it with you.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eDoes my solar inverter need a SIM card?\u003c\/h3\u003e\n\u003cp\u003eUsually not — most home systems upload over Wi-Fi or Ethernet. A SIM only applies where a 4G dongle or communication module is fitted (or being added) because Wi-Fi is unavailable or unreliable. If that module takes a user-supplied SIM, this product provides the data connection.\u003c\/p\u003e\n\u003ch3\u003eWill this work with my Sungrow \/ GoodWe \/ Solis \/ Sigenergy \/ SolarEdge system?\u003c\/h3\u003e\n\u003cp\u003ePotentially — these brands have documented or commonly observed 4G module paths where a user-supplied SIM may apply. But compatibility depends on the exact module model and configuration, and some ecosystems set carrier or SIM conditions. Send us the inverter model and the communication module model and we’ll check for free.\u003c\/p\u003e\n\u003ch3\u003eMy original cellular plan expired — can I replace it with this SIM?\u003c\/h3\u003e\n\u003cp\u003eOften, yes — if the module accepts a user-supplied physical SIM. Replace the SIM, set APN to \u003ccode\u003emobile\u003c\/code\u003e, and confirm upload resumes in your portal. If the module is locked to managed connectivity, a replacement SIM won’t work — check the module’s documentation or ask us.\u003c\/p\u003e\n\u003ch3\u003eHow much data does solar monitoring use?\u003c\/h3\u003e\n\u003cp\u003eVery little — uploads are small readings, not video. Actual use depends on the module and reporting frequency; check your module’s documentation. 100MB is usually the starting point for simple low-data monitoring where the module documentation indicates low usage; 200MB gives more margin for hybrid\/battery systems.\u003c\/p\u003e\n\u003ch3\u003eCan installers buy SIMs ahead of installation?\u003c\/h3\u003e\n\u003cp\u003eYes. Validity only starts when the SIM first connects, so you can order ahead and fit SIMs at commissioning. Volume pricing is available for multi-SIM orders — send us the module models and quantity.\u003c\/p\u003e\n\u003ch3\u003eIs there a monthly fee?\u003c\/h3\u003e\n\u003cp\u003eNo. One payment for your chosen data allowance and validity period — no monthly fees, no recharges, no auto-renewals. When validity ends, renew by placing a new order with your SIM details, or contact support before expiry.\u003c\/p\u003e\n\u003ch3\u003eWhat APN does this SIM use?\u003c\/h3\u003e\n\u003cp\u003eThe APN for this Lemon Mobile SIM is \u003ccode\u003emobile\u003c\/code\u003e (lowercase), username and password blank — entered in the module’s settings or configuration app per the manufacturer’s instructions.\u003c\/p\u003e\n\u003ch2\u003eBefore you order — the 6-point check\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eIs a \u003cstrong\u003e4G LTE communication module\u003c\/strong\u003e fitted (or being added) to your system?\u003c\/li\u003e\n\u003cli\u003eDoes it have a \u003cstrong\u003ephysical SIM slot\u003c\/strong\u003e?\u003c\/li\u003e\n\u003cli\u003eDoes it accept a \u003cstrong\u003euser-supplied SIM\u003c\/strong\u003e?\u003c\/li\u003e\n\u003cli\u003eCan the \u003cstrong\u003eAPN be configured without SMS commands\u003c\/strong\u003e — for example through an app, local portal or installer tool?\u003c\/li\u003e\n\u003cli\u003eCan it run \u003cstrong\u003edata-only\u003c\/strong\u003e (no SMS or voice needed)?\u003c\/li\u003e\n\u003cli\u003eDoes the manual \u003cstrong\u003eavoid restricting\u003c\/strong\u003e the module to a specific carrier, bundled SIM or managed connectivity plan?\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eAll six yes → you’ve passed the main compatibility checks.\u003c\/strong\u003e If the module mentions approved carriers, bundled SIMs or installer-only connectivity, confirm first — or contact us with the exact models and we’ll check for you.\u003c\/p\u003e\n\u003ch2\u003eLearn more\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e→ \u003ca href=\"\/pages\/solar-inverter-sim-guide\"\u003eDoes Your Solar Inverter Need a SIM Card?\u003c\/a\u003e — connection paths, brand table and setup\u003c\/li\u003e\n\u003cli\u003e→ \u003ca href=\"\/products\/victron-gx-lte-4g-sim-card-australia\"\u003eVictron GX LTE 4G SIM Card\u003c\/a\u003e — for Victron GX-based energy systems\u003c\/li\u003e\n\u003cli\u003e→ \u003ca href=\"\/products\/iot-sim-card-australia\"\u003eIoT SIM Card Australia\u003c\/a\u003e — for M2M devices, sensors and connected equipment\u003c\/li\u003e\n\u003cli\u003e→ \u003ca href=\"\/pages\/data-usage-calculator\"\u003eData Usage Calculator\u003c\/a\u003e — estimate your module’s monthly data\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lemon Mobile","offers":[{"title":"Standard – 100MB\/month • 1 Year","offer_id":54190558380345,"sku":null,"price":69.9,"currency_code":"AUD","in_stock":true},{"title":"Standard – 100MB\/month • 3 Years","offer_id":54190558413113,"sku":null,"price":139.9,"currency_code":"AUD","in_stock":true},{"title":"Standard – 100MB\/month • 5 Years","offer_id":54190558445881,"sku":null,"price":194.9,"currency_code":"AUD","in_stock":true},{"title":"Standard – 100MB\/month • 8 Years","offer_id":54190558478649,"sku":null,"price":249.9,"currency_code":"AUD","in_stock":true},{"title":"Plus – 200MB\/month  • 1 Year","offer_id":54190558511417,"sku":null,"price":79.9,"currency_code":"AUD","in_stock":true},{"title":"Plus – 200MB\/month  • 3 Years","offer_id":54190558544185,"sku":null,"price":159.9,"currency_code":"AUD","in_stock":true},{"title":"Plus – 200MB\/month  • 5 Years","offer_id":54190558576953,"sku":null,"price":224.9,"currency_code":"AUD","in_stock":true},{"title":"Plus – 200MB\/month  • 8 Years","offer_id":54190558609721,"sku":null,"price":289.9,"currency_code":"AUD","in_stock":true},{"title":"Pro – 500MB\/month  • 1 Year","offer_id":54190558642489,"sku":null,"price":99.9,"currency_code":"AUD","in_stock":true},{"title":"Pro – 500MB\/month  • 3 Years","offer_id":54190558675257,"sku":null,"price":199.9,"currency_code":"AUD","in_stock":true},{"title":"Pro – 500MB\/month  • 5 Years","offer_id":54190558708025,"sku":null,"price":279.9,"currency_code":"AUD","in_stock":true},{"title":"Pro – 500MB\/month  • 8 Years","offer_id":54190558740793,"sku":null,"price":379.9,"currency_code":"AUD","in_stock":true},{"title":"Ultra – 1GB\/month  • 1 Year","offer_id":54190558773561,"sku":null,"price":129.9,"currency_code":"AUD","in_stock":true},{"title":"Ultra – 1GB\/month  • 3 Years","offer_id":54190558806329,"sku":null,"price":259.9,"currency_code":"AUD","in_stock":true},{"title":"Ultra – 1GB\/month  • 5 Years","offer_id":54190558839097,"sku":null,"price":349.9,"currency_code":"AUD","in_stock":true},{"title":"Ultra – 1GB\/month  • 8 Years","offer_id":54190558871865,"sku":null,"price":499.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/3713\/9769\/files\/sim-card-solar-inverter-australia.png?v=1784536446","url":"https:\/\/www.lemonmobile.com.au\/products\/sim-card-solar-inverters","provider":"Lemon Mobile","version":"1.0","type":"link"}