{"product_id":"eg4-12kpv-essential-home-backup-power-bundle-bndl-e0013","title":"EG4 12kPV Essential Home Backup Power Bundle","description":"\u003cp\u003eThe \u003cstrong\u003eEG4 12kPV hybrid inverter\u003c\/strong\u003e paired with your choice of \u003cstrong\u003eEG4 WallMount AllWeather battery\u003c\/strong\u003e — a home backup system where the battery capacity is the variable and everything else is fixed and matched.\u003c\/p\u003e\u003ch2\u003eThe 10ms Transfer Is What You Notice\u003c\/h2\u003e\u003cp\u003e8,000W continuous output with a 10-millisecond transfer time means the grid can drop without your computer rebooting, your furnace controller resetting or your clocks blinking. Anything under about 20ms is invisible to standard electronics. That is the difference between a backup system and an uninterruptible one.\u003c\/p\u003e\u003ch2\u003eCold-Weather Operation\u003c\/h2\u003e\u003cp\u003eThe WallMount AllWeather batteries have integrated heating. LiFePO4 cannot accept charge below freezing without permanent plating damage, so an unheated pack in an unheated garage in a northern climate simply refuses to charge on the mornings you most want it to. The heaters are not a luxury spec — north of roughly the 38th parallel they are a requirement.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eContinuous output: 8,000W · transfer time 10ms\u003c\/li\u003e\n\u003cli\u003eModes: on-grid, off-grid, or generator-assisted\u003c\/li\u003e\n\u003cli\u003eBattery: EG4 WallMount AllWeather with integrated heating, capacity selectable\u003c\/li\u003e\n\u003cli\u003eSafety: intelligent BMS protection, emergency stop, rapid shutdown compatible, UL certified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing Your Capacity\u003c\/h2\u003e\u003cp\u003eStart from your outage requirement, not from a price point. Refrigeration, well pump, network and lighting on a critical-loads panel run roughly 8–12kWh a day; add central air or electric heat and the number doubles or worse. Multiply by the number of days you want to survive without sun and you have your battery size.\u003c\/p\u003e\u003ch2\u003eGenerator Input\u003c\/h2\u003e\u003cp\u003eThe generator mode is worth planning for even if you do not own one yet. A modest portable unit paired with this inverter charges the bank in a few hours during a multi-day winter outage — cheaper than buying enough battery to cover the worst week of the year. Urban Supply is an authorized EG4 dealer.\u003c\/p\u003e","brand":"EG4 Electronics","offers":[{"title":"Default Title","offer_id":48222433575077,"sku":"BNDL-E0013","price":7342.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0454\/1916\/7909\/files\/BNDL-E0013-280-1__25037.1779206599_a32cc1f3-443b-475e-99e0-42a2a973f0d7.png?v=1788729565","url":"https:\/\/www.urbansupplyinc.com\/products\/eg4-12kpv-essential-home-backup-power-bundle-bndl-e0013","provider":"Urban Supply Incorporated","version":"1.0","type":"link"}