{"product_id":"victron-smartsolar-mppt-250-70-tr-bluetooth","title":"Victron SmartSolar MPPT 250\/70-Tr — 70A Solar Charge Controller with Bluetooth (12V\/24V\/36V\/48V)","description":"\u003cp\u003e\u003cstrong\u003eThe Victron SmartSolar MPPT 250\/70-Tr is the bigger sibling of the 250\/60\u003c\/strong\u003e — same 250V max PV input, but 70A of charge current instead of 60A. Sized for large 48V off-grid installations with residential panels in long series strings. Terminal-block (\"Tr\") connections for direct hard-wiring of heavy gauge cable. Built-in Bluetooth via VictronConnect.\u003c\/p\u003e\n\n\u003ch2\u003eSolar array sizing\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eBattery bank\u003c\/th\u003e\n\u003cth\u003eMaximum solar array\u003c\/th\u003e\n\u003cth\u003eTypical setup\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003ctd\u003e~1000W\u003c\/td\u003e\n\u003ctd\u003e3–4× 300W panels (rare config at 12V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003ctd\u003e~2000W\u003c\/td\u003e\n\u003ctd\u003e6× 350W residential panels\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e48V\u003c\/td\u003e\n\u003ctd\u003e~4000W\u003c\/td\u003e\n\u003ctd\u003e12× residential panels in 3 strings of 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eMaximum PV open-circuit voltage: \u003cstrong\u003e250V\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhen to choose the 250\/70 over the 250\/60\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4kW vs 3.4kW at 48V\u003c\/strong\u003e — about 17% more solar headroom at the same input voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuture expansion\u003c\/strong\u003e — oversize the controller now and add panels later without replacing it\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHot climate derate\u003c\/strong\u003e — controllers derate output above 40°C; a larger controller running cooler is more reliable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigher peak harvest\u003c\/strong\u003e — on perfect cold-clear days, more current capacity captures more energy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy the SmartSolar 250\/70-Tr\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e70A charge current\u003c\/strong\u003e — high output for large battery banks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e250V max PV\u003c\/strong\u003e — long series strings of residential panels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal-block connections\u003c\/strong\u003e — thick cable, combiner-box installs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-fast MPPT tracking\u003c\/strong\u003e — millisecond response to changing conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Bluetooth\u003c\/strong\u003e — VictronConnect app on iPhone or Android\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e98% conversion efficiency\u003c\/strong\u003e — active fan cooling for sustained high output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVE.Direct port\u003c\/strong\u003e — Cerbo GX integration, VRM Portal remote monitoring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic battery voltage detection\u003c\/strong\u003e — 12V, 24V, 36V, 48V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional remote temp sensor\u003c\/strong\u003e — sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eNominal battery voltage\u003c\/th\u003e\n\u003ctd\u003e12V, 24V, 36V, or 48V (auto-detect)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eRated charge current\u003c\/th\u003e\n\u003ctd\u003e70A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaximum PV open-circuit voltage\u003c\/th\u003e\n\u003ctd\u003e250V (absolute max)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaximum PV input power, 12V\u003c\/th\u003e\n\u003ctd\u003e1000W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaximum PV input power, 24V\u003c\/th\u003e\n\u003ctd\u003e2000W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaximum PV input power, 48V\u003c\/th\u003e\n\u003ctd\u003e4000W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePeak efficiency\u003c\/th\u003e\n\u003ctd\u003e98%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBluetooth\u003c\/th\u003e\n\u003ctd\u003eBuilt-in (VictronConnect app)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eVE.Direct port\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eConnection style\u003c\/th\u003e\n\u003ctd\u003eTerminal block (Tr)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eCooling\u003c\/th\u003e\n\u003ctd\u003eActive fan\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-30°C to +60°C (full power up to 40°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eManufacturer SKU\u003c\/th\u003e\n\u003ctd\u003eSCC125070221\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e5 years (manufacturer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eRecommended applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge off-grid homestead\u003c\/strong\u003e — 48V system with 3–4kW residential solar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommercial backup power\u003c\/strong\u003e — telecom shelter, server room, light industrial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine megayacht\u003c\/strong\u003e — large house bank, comprehensive solar coverage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCold-climate solar\u003c\/strong\u003e — high-latitude installs with seasonal Voc variation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-controller installations\u003c\/strong\u003e — paralleled with other 250V controllers for 8kW+ arrays\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEvery Jonsson Tech order ships within 5 days nationwide from our Houston, Texas warehouse. Free pre-purchase string-sizing and array layout consultation — send us your panel datasheet and intended layout to \u003cstrong\u003esupport@jonssontech.net\u003c\/strong\u003e or call \u003cstrong\u003e346-574-9652\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":48189140926683,"sku":"SCC125070221","price":502.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/3200\/9947\/files\/250-70.jpg?v=1769369174","url":"https:\/\/www.jonssontech.net\/products\/victron-smartsolar-mppt-250-70-tr-bluetooth","provider":"Jonsson Tech LLC ","version":"1.0","type":"link"}