{"product_id":"tes-pw3-expack","title":"Tesla Powerwall 3 Expansion 13.5kWh DC Battery - 1807000-20-B","description":"\u003cdiv class=\"pp_description\"\u003e\n  \u003cdl\u003e\n\n    \n    \u003cdd class=\"first\"\u003ePart No: TES-PW3-EXPACK\u003c\/dd\u003e\n    \n\n    \u003cdiv class=\"item_description\"\u003e\n\n      \u003cdiv class=\"TextSummary\"\u003e\n\n        \n\n        \u003cp\u003e\n          The \u003cstrong\u003eTesla Powerwall 3 Expansion 13.5kWh DC Battery\u003c\/strong\u003e is designed to\n          increase the storage capacity of an existing \u003cstrong\u003eTesla Powerwall 3\u003c\/strong\u003e energy\n          storage system. This official Tesla DC expansion battery provides an additional\n          \u003cstrong\u003e13.5kWh of usable energy storage\u003c\/strong\u003e, making it easy to expand your home\n          battery system as your energy requirements grow.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          A single \u003cstrong\u003eTesla Powerwall 3\u003c\/strong\u003e supports up to\n          \u003cstrong\u003e20kW of DC solar input\u003c\/strong\u003e, delivers\n          \u003cstrong\u003e11.04kW of continuous AC output\u003c\/strong\u003e, stores\n          \u003cstrong\u003e13.5kWh of energy\u003c\/strong\u003e and can start heavy electrical loads rated up to\n          \u003cstrong\u003e185A LRA\u003c\/strong\u003e. This allows one Powerwall 3 to comfortably support the power\n          demands of most homes while maximising solar self-consumption and providing reliable\n          backup power.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Designed with scalability in mind, the Tesla Powerwall 3 system enables installers and\n          homeowners to add multiple \u003cstrong\u003ePowerwall 3 Expansion Batteries\u003c\/strong\u003e or additional\n          \u003cstrong\u003ePowerwall 3 units\u003c\/strong\u003e. A fully expanded system can provide up to\n          \u003cstrong\u003e44kW of continuous AC power\u003c\/strong\u003e and a total storage capacity of\n          \u003cstrong\u003e94.5kWh\u003c\/strong\u003e, making it suitable for larger residential and light commercial\n          energy storage applications.\n        \u003c\/p\u003e\n\n        \u003ch3\u003eKey Features\u003c\/h3\u003e\n\n        \u003cul\u003e\n          \u003cli\u003eOfficial Tesla Powerwall 3 Expansion Battery.\u003c\/li\u003e\n          \u003cli\u003eAdds an additional 13.5kWh of DC battery storage.\u003c\/li\u003e\n          \u003cli\u003eDesigned exclusively for Tesla Powerwall 3 systems.\u003c\/li\u003e\n          \u003cli\u003eSupports scalable battery storage up to 94.5kWh.\u003c\/li\u003e\n          \u003cli\u003eCompatible with systems delivering up to 44kW continuous AC output.\u003c\/li\u003e\n          \u003cli\u003eIdeal for increasing solar self-consumption and backup energy storage.\u003c\/li\u003e\n          \u003cli\u003eModular design for straightforward installation and future expansion.\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n        \u003cdiv class=\"warning\"\u003e\n          \u003cstrong\u003ePlease Note:\u003c\/strong\u003e Accessories are required to complete the installation.\n          The \u003cstrong\u003eTesla Powerwall 3 Expansion Harness\u003c\/strong\u003e must be used to provide the\n          electrical connection between the Tesla Powerwall 3 and the Expansion Battery.\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"warning\"\u003e\n          \u003cstrong\u003eImportant:\u003c\/strong\u003e This product is a\n          \u003cstrong\u003eTesla Powerwall 3 DC Expansion Battery only\u003c\/strong\u003e. It is\n          \u003cstrong\u003enot a standalone battery system\u003c\/strong\u003e and requires an existing\n          \u003cstrong\u003eTesla Powerwall 3\u003c\/strong\u003e together with a\n          \u003cstrong\u003eTesla Gateway\u003c\/strong\u003e to operate.\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/dl\u003e\n\u003c\/div\u003e\n\u003c!-- clearray-added-v1 --\u003e\n\u003cdiv class=\"crx\"\u003e\n\n\u003ch3 class=\"crx-h\"\u003eExpansion at a glance\u003c\/h3\u003e\n\u003cdiv class=\"crx-facts\"\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e13.5 kWh\u003c\/b\u003e\u003cspan\u003eUsable, per unit\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e3\u003c\/b\u003e\u003cspan\u003ePer Powerwall 3\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003eIP67\u003c\/b\u003e\u003cspan\u003eIndoor or outdoor\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"crx-fact\"\u003e\n\u003cb\u003e118.5 kg\u003c\/b\u003e\u003cspan\u003eWall-mounted weight\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eA DC battery that adds 13.5 kWh to a Powerwall 3 without adding another inverter. It works only with Powerwall 3 and connects to it by an expansion harness, with units in parallel.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eWhich kit to order\u003c\/h3\u003e\n\u003cdiv class=\"crx-pick\"\u003e\n  \u003cdiv class=\"crx-card\"\u003e\n    \u003cp class=\"crx-card__t\"\u003eExpansion only\u003c\/p\u003e\n    \u003cspan class=\"crx-card__sku\"\u003eTES-PW3-EXPACK\u003c\/span\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eIncludes\u003c\/dt\u003e\n\u003cdd\u003eThe Expansion battery\u003c\/dd\u003e\n      \u003cdt\u003eYou add\u003c\/dt\u003e\n\u003cdd\u003eMounting kit and harness\u003c\/dd\u003e\n    \u003c\/dl\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crx-card crx-card--on\"\u003e\n    \u003cspan class=\"crx-tag\"\u003eFloor stack\u003c\/span\u003e\n    \u003cp class=\"crx-card__t\"\u003eWith stacking kit\u003c\/p\u003e\n    \u003cspan class=\"crx-card__sku\"\u003eTES-EXPACK-S-PACK\u003c\/span\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eAdds\u003c\/dt\u003e\n\u003cdd\u003eStacking kit 1978070-00-B and 0.5 m harness 1875157-05-D\u003c\/dd\u003e\n      \u003cdt\u003eLayout\u003c\/dt\u003e\n\u003cdd\u003eBehind the Powerwall 3, floor mount\u003c\/dd\u003e\n    \u003c\/dl\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crx-card\"\u003e\n    \u003cp class=\"crx-card__t\"\u003eWith wall-mounting kit\u003c\/p\u003e\n    \u003cspan class=\"crx-card__sku\"\u003eTES-EXPACK-WM-PACK\u003c\/span\u003e\n    \u003cdl\u003e\n      \u003cdt\u003eAdds\u003c\/dt\u003e\n\u003cdd\u003eWall mounting kit 1978069-00-C\u003c\/dd\u003e\n      \u003cdt\u003eYou add\u003c\/dt\u003e\n\u003cdd\u003eA 0.5, 2 or 4 m harness for the distance\u003c\/dd\u003e\n    \u003c\/dl\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eStacking puts up to three Expansions directly behind the Powerwall 3, and that layout is floor-mount only. The stacking option includes the short 0.5 m harness it uses. Wall-mounted Expansions can sit further away, so the wall-mounting option leaves the harness to you: choose 0.5 m, 2 m or 4 m for the run between units.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eWhat it does to the system\u003c\/h3\u003e\n\u003cp\u003eOne Powerwall 3 charges at up to 5 kW on its own. With Expansion units fitted, charging rises to 8 kW (AC and DC). A full system of four Powerwall 3 units and three Expansions stores 94.5 kWh. The Expansion runs between 52 V and 92 V DC and is not field serviceable.\u003c\/p\u003e\n\n\u003ch3 class=\"crx-h\"\u003eNeeded to connect it\u003c\/h3\u003e\n\u003cul class=\"crx-need\"\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/tes-powerwall-3\"\u003eTesla Powerwall 3\u003c\/a\u003e\n      \u003cp\u003eThe host unit. The datasheet lists the Expansion as compatible only with Powerwall 3.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/tes-pw3-0-5mharn\"\u003eExpansion harness, 0.5 m\u003c\/a\u003e\n      \u003cp\u003ePart 1875157-05-D. Already included in the \"With stacking kit\" option.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/tes-pw3-2mharn\"\u003eExpansion harness, 2 m\u003c\/a\u003e\n      \u003cp\u003ePart 1875157-20-D. Links an Expansion to a Powerwall 3 or to another Expansion.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/tes-pw3-4mharn\"\u003eExpansion harness, 4 m\u003c\/a\u003e\n      \u003cp\u003ePart 1875157-40-D. The longest of the three, for units mounted further apart.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 class=\"crx-h\"\u003eMounting kits on their own\u003c\/h3\u003e\n\u003cul class=\"crx-need\"\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/tes-pw3-exstack\"\u003eMulti stacking kit\u003c\/a\u003e\n      \u003cp\u003ePart 1978070-00-B. Already included in the \"With stacking kit\" option above.\u003c\/p\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/tes-pw3-exwm\"\u003eWall mounting bracket\u003c\/a\u003e\n      \u003cp\u003ePart 1978069-00-C. Already included in the \"With wall-mounting kit\" option above.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 class=\"crx-h\"\u003eExpansion questions\u003c\/h3\u003e\n\u003cdiv class=\"crx-qa\"\u003e\n  \u003cdiv\u003e\n\u003cb\u003eCan it run without a Powerwall 3?\u003c\/b\u003e\n    \u003cp\u003eNo. It is a DC expansion battery only and has no inverter of its own.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eHow heavy is it?\u003c\/b\u003e\n    \u003cp\u003e110 kg for the unit alone, 118.5 kg wall-mounted with the glass front cover and bracket. It measures 1105 × 609 × 168 mm.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eDoes it suit outdoor installs?\u003c\/b\u003e\n    \u003cp\u003eYes. It is IP67 and rated for −20 °C to 50 °C, indoor or outdoor.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv\u003e\n\u003cb\u003eWhich certifications does it carry?\u003c\/b\u003e\n    \u003cp\u003eIEC 62619, IEC 62933-5-2 and IEC 61000-6-1\/-3.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Tesla","offers":[{"title":"Expansion only","offer_id":57440989577548,"sku":"TES-PW3-EXPACK","price":3626.63,"currency_code":"GBP","in_stock":true},{"title":"With stacking kit","offer_id":58876435628364,"sku":"TES-EXPACK-S-PACK","price":3818.21,"currency_code":"GBP","in_stock":true},{"title":"With wall-mounting kit","offer_id":58876435824972,"sku":"TES-EXPACK-WM-PACK","price":3728.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1048\/7742\/4972\/files\/TES-PW3-EXPACK.jpg?v=1778196545","url":"https:\/\/clearraysolar.co.uk\/products\/tes-pw3-expack","provider":"ClearRay Solar","version":"1.0","type":"link"}