{"product_id":"sol-s6-eh1p6k-l-plus-5y","title":"Solis S6 6kW Hybrid Inverter | S6-EH1P6K-L-PLUS","description":"\u003c!-- clearray-added-v1 --\u003e\n\u003cdiv class=\"crx\"\u003e\n\n\u003cp class=\"crx-lede\"\u003eThe Solis S6 6kW Plus, S6-EH1P6K-L-PLUS, is the largest model in Solis's single-phase S6 Plus range that keeps one string per tracker and cools without a fan. It runs the panels, a 48 V battery and the house from one unit, and if the grid fails the backup circuit is on battery power in under 10 ms.\u003c\/p\u003e\n\u003cp class=\"crx-lede\"\u003eIt is rated 6 kW (26.1 A at 230 V), so a G99 application must be approved before installation. Solis recommends up to 12 kWp of panels, of which it uses up to 9.6 kW at once, and it charges and discharges the battery at up to 6 kW and 135 A.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eS6 6kW Plus at a glance\u003c\/h3\u003e\n\u003cdiv class=\"crx-facts\"\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e6 kW\u003c\/b\u003e\u003cspan\u003eRated output, grid and backup\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e135 A\u003c\/b\u003e\u003cspan\u003eBattery charge and discharge\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e12 kWp\u003c\/b\u003e\u003cspan\u003eRecommended max array\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e9.6 kW\u003c\/b\u003e\u003cspan\u003eMax PV it uses at once\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e300 V\u003c\/b\u003e\u003cspan\u003eString voltage for full PV\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e2 MPPT\u003c\/b\u003e\u003cspan\u003eOne string each, 16 A\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003eIP66\u003c\/b\u003e\u003cspan\u003eFanless, indoor or outdoor\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003eG99\u003c\/b\u003e\u003cspan\u003e26.1 A at 230 V\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 class=\"crx-h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cp\u003eSolis's packing list for the 3 to 6 kW models, from section 1.4 of the S6-EH1P(3-8)K-L-PLUS manual (v1.2, October 2025). The 6 kW comes with the CT, not a meter.\u003c\/p\u003e\n\u003cul class=\"crx-inc\"\u003e\n  \u003cli\u003eThe 6 kW inverter, its back plate and two fastening screws\u003c\/li\u003e\n  \u003cli\u003eFour expansion bolts for mounting\u003c\/li\u003e\n  \u003cli\u003eTwo pairs of MC4 connectors for the two strings\u003c\/li\u003e\n  \u003cli\u003eAn ESCT-TA16-100A\/50mA CT with a 5 m lead, required by Solis for hybrid operation\u003c\/li\u003e\n  \u003cli\u003eThe Wi-Fi\/LAN monitoring stick for SolisCloud\u003c\/li\u003e\n  \u003cli\u003eOne parallel communication cable and four RJ45 connectors\u003c\/li\u003e\n  \u003cli\u003eThe quick installation manual\u003c\/li\u003e\n  \u003cli class=\"crx-no\"\u003eBattery cables (Solis specifies 2 AWG, roughly 35 mm², with R38-8 lugs) and a 300 A DC breaker\u003c\/li\u003e\n  \u003cli class=\"crx-no\"\u003eThe optional SDM120CTM meter, sold separately if wanted instead of the CT\u003c\/li\u003e\n  \u003cli class=\"crx-no\"\u003ePV and AC cabling, the AC isolator and consumer-unit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA 2024-built unit may arrive with a Wi-Fi\/GPRS stick instead of the Wi-Fi\/LAN one; nothing else differs.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003ePanels and strings\u003c\/h3\u003e\n\u003cp\u003eEach of the two trackers takes one string, at up to 16 A working and 20 A short-circuit. The MPPT range is 90–435 V, start-up is at 90 V, and 500 V is the hard ceiling for the open-circuit voltage at the coldest expected temperature.\u003c\/p\u003e\n\u003cp\u003eThe 6 kW has the tightest string window in the range. To deliver its full 9.6 kW of PV through two 16 A inputs, each string has to work at 300 V or more while staying under 500 V open-circuit when cold, so string length needs checking against both limits. The array figures are separate again: \u003cb\u003e12 kWp\u003c\/b\u003e is the largest Solis recommends, twice the rating, while \u003cb\u003e9.6 kW\u003c\/b\u003e, 160%, is the most it uses at once, with any surplus clipped.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eThe battery side\u003c\/h3\u003e\n\u003cp\u003eIt works with any lithium or lead-acid battery between 40 and 60 V, communicating with the BMS over CAN or RS485. For the full 6 kW and 135 A, pick a battery rated 135 A or more: the IntelliHome 10 kWh (200 A) and 16 kWh (157 A) both qualify, while a single 5 kWh (100 A) holds battery power below 6 kW.\u003c\/p\u003e\n\u003cp\u003eSolis requires a firmware update on any inverter built before April 2026 before it is commissioned with an IntelliHome battery. Without a battery, set \"No battery\" and it runs as a grid-tied PV inverter.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eBackup, generator and off-grid\u003c\/h3\u003e\n\u003cp\u003eBackup output is 6 kW continuous, with a 10-second peak of 12 kW for motor starts. Up to 40 A passes through to the backup circuit while the grid is live, but during a power cut those loads must fit within 6 kW.\u003c\/p\u003e\n\u003cp\u003eA generator can be connected and started and stopped automatically, and the inverter can run off-grid on solar alone. An existing grid-tied PV system can be coupled in for export control and off-grid use. Up to six units can work in parallel, and a three-phase system can be built from three or more.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eGrid approval\u003c\/h3\u003e\n\u003cdiv class=\"crx-note\"\u003e\n  \u003cdiv\u003e\n    \u003cb\u003eG99: get approval first\u003c\/b\u003e\n    \u003cp\u003eAt 26.1 A per phase the 6 kW is beyond G98's 16 A limit, so the installer submits a G99 application and the network operator has to approve it before installation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3 class=\"crx-h\"\u003eBuilt in\u003c\/h3\u003e\n\u003cul class=\"crx-inc\"\u003e\n  \u003cli\u003ePV switch, insulation and residual-current monitoring, anti-islanding protection\u003c\/li\u003e\n  \u003cli\u003e7-inch LCD and Bluetooth for local setup; SolisCloud via the Wi-Fi\/LAN stick, 4G as an option\u003c\/li\u003e\n  \u003cli\u003eNatural convection cooling: the 6 kW is the largest model in the range without a fan\u003c\/li\u003e\n  \u003cli class=\"crx-no\"\u003eAFCI arc-fault detection is optional on this range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 class=\"crx-h\"\u003eOn the wall\u003c\/h3\u003e\n\u003cp\u003eIt weighs 23.5 kg and measures 335 × 560 × 253 mm, the same case as the smaller models. IP66 allows outdoor fitting from −25 °C to +60 °C, but not in direct sunlight, which derates it, and not in living areas where people or animals spend long periods.\u003c\/p\u003e\n\u003cp\u003eFix it upright, within 5° of vertical, leaving 300 mm above, 150 mm at each side and 500 mm in front. Underneath, keep 800 mm to the floor, or 500 mm where no battery cabinet or other heat source is below it. Two units must never be mounted one above the other.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eOrder alongside\u003c\/h3\u003e\n\u003cul class=\"crx-need\"\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-sbat-r10k-l-wm-od\"\u003eSolis IntelliHome 10 kWh battery\u003c\/a\u003e\n    \u003cp\u003eIts 200 A covers the full 135 A.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-sbat-r16k-l-wm-od\"\u003eIntelliHome 16 kWh battery\u003c\/a\u003e\n    \u003cp\u003e157 A and 16 kWh in one unit.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-sbat-r5k-l-wm-od\"\u003eIntelliHome 5 kWh battery\u003c\/a\u003e\n    \u003cp\u003ePair two to cover the 135 A.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-sbat-r10k-acc-pack\"\u003eIntelliHome 10 kWh accessory pack\u003c\/a\u003e\n    \u003cp\u003eThe 10 kWh's power and comms cables.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-war-10y-eh1pk-plus\"\u003eWarranty to 10 years\u003c\/a\u003e\n    \u003cp\u003eAdds five years to the standard five.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-war-20y-eh1pk-plus\"\u003eWarranty to 20 years\u003c\/a\u003e\n    \u003cp\u003eAdds fifteen years to the standard five.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 class=\"crx-h\"\u003eAlternative sizes\u003c\/h3\u003e\n\u003cp\u003eAll the single-phase S6 Plus models share this case, battery range and app. The 8 and 10 kW add fans and two strings per tracker for bigger arrays; the 3 and 3.6 kW stay on G98.\u003c\/p\u003e\n\u003cul class=\"crx-need\"\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-s6-eh1p3k-l-plus-5y\"\u003eS6 3 kW Plus hybrid inverter\u003c\/a\u003e\n    \u003cp\u003eUp to 6 kWp of panels, 70 A to the battery, G98.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-s6-eh1p3-6k-l-plus-5y\"\u003eS6 3.6 kW Plus hybrid inverter\u003c\/a\u003e\n    \u003cp\u003eUp to 7.2 kWp of panels, 80 A to the battery, G98.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-s6-eh1p5k-l-plus-5y\"\u003eS6 5 kW Plus hybrid inverter\u003c\/a\u003e\n    \u003cp\u003eUp to 10 kWp of panels, 112 A to the battery, G99.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-s6-eh1p8k-l-plus\"\u003eS6 8 kW Plus hybrid inverter\u003c\/a\u003e\n    \u003cp\u003eUp to 16 kWp on four strings, 190 A to the battery, G99.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/sol-s6-eh1p10k-l-plus-uk\"\u003eS6 10 kW Plus hybrid inverter\u003c\/a\u003e\n    \u003cp\u003eUp to 20 kWp, 21 A per string, 210 A to the battery, G99.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 class=\"crx-h\"\u003eQuestions on the 6 kW\u003c\/h3\u003e\n\u003cdiv class=\"crx-qa\"\u003e\n  \u003cdiv\u003e\n\u003cb\u003e6 kW or 8 kW?\u003c\/b\u003e\n    \u003cp\u003eThe 6 kW takes one string per tracker and has no fan. The 8 kW takes two strings per tracker, up to 16 kWp of panels and 190 A of battery current, and is fan-cooled, so it suits a bigger array or battery bank.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eWhich battery suits it best?\u003c\/b\u003e\n    \u003cp\u003eAny 40–60 V battery works. For full battery power choose one rated at least 135 A, such as the IntelliHome 10 kWh or 16 kWh, or parallel two 5 kWh units.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eDoes it need a meter?\u003c\/b\u003e\n    \u003cp\u003eNo. It ships with the CT, which Solis makes compulsory for hybrid systems; a meter (SDM120CTM) is optional.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eIs there an app?\u003c\/b\u003e\n    \u003cp\u003eYes. SolisCloud works through the supplied Wi-Fi\/LAN stick, and Bluetooth is built in for setup on site.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eHow long is the warranty?\u003c\/b\u003e\n    \u003cp\u003eFive years as standard, extendable to 10 or 20. Put the serial number in the order notes when buying the extension; Solis sends the certificate in about 6 to 8 weeks.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eCan I fit it myself?\u003c\/b\u003e\n    \u003cp\u003eIt should be installed by a qualified electrician, as the grid, battery and consumer unit connections fall under BS 7671. The manual requires the battery to be isolated and confirmed at 0 V before its cables are touched.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Solis","offers":[{"title":"Default Title","offer_id":57440943800652,"sku":"SOL-S6-EH1P6K-L-PLUS-5Y","price":669.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1048\/7742\/4972\/files\/SOL-S6-EH1P6K-L-PLUS-5Y.jpg?v=1778196395","url":"https:\/\/clearraysolar.co.uk\/products\/sol-s6-eh1p6k-l-plus-5y","provider":"ClearRay Solar","version":"1.0","type":"link"}