{"product_id":"renogy-7-68kwh-off-grid-power-system","title":"7.68Kwh Off-Grid Power System | 3000W Inverter, 300Ah Lithium Battery x2","description":"\u003cp\u003e\u003cstrong\u003e7.68kWh of lithium, a 3,000W inverter, a 60A MPPT controller and a battery monitor.\u003c\/strong\u003e Two 300Ah packs — a week of genuine autonomy for a full-time motorhome, with the charging and monitoring already specified.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7,680Wh\u003c\/strong\u003e, two 300Ah LiFePO4 packs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3,000W inverter\u003c\/strong\u003e, 6,000W surge, 90% maximum efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e60A Rover MPPT\u003c\/strong\u003e controller and battery monitor\u003c\/li\u003e\n\u003cli\u003eBattery 150A continuous charge, 200A continuous discharge\u003c\/li\u003e\n\u003cli\u003eEach battery 384 × 194 × 253mm, 25.0kg, IP65\u003c\/li\u003e\n\u003cli\u003eOptional \u003cstrong\u003e4 × 200W ShadowFlux\u003c\/strong\u003e panels\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eA properly balanced system\u003c\/h3\u003e\u003cp\u003eThe ratio matters more than any single number. 7.68kWh of storage, 800W of optional array and a 60A controller means solar can realistically refill the bank in summer, while the 300A of combined charge acceptance means an alternator or mains charger can do it in winter. That balance is what the individually-bought systems usually get wrong.\u003c\/p\u003e\u003ch3\u003eThe battery monitor is the part people skip\u003c\/h3\u003e\u003cp\u003eA shunt-based monitor tells you state of charge from actual coulombs in and out, not from resting voltage — which on lithium is nearly flat across the whole usable range and therefore useless as a fuel gauge. Included here rather than bought later.\u003c\/p\u003e\u003ch3\u003eBefore you order\u003c\/h3\u003e\u003cp\u003eTwo 300Ah packs is 50kg of battery before the inverter, controller and any panels. Check the payload. The inverter works between 0°C and 40°C and shuts down below 10V DC, so it wants to live inside the insulated space.\u003c\/p\u003e","brand":"Renogy","offers":[{"title":"Default Title","offer_id":51358082334887,"sku":"RBT300-Mx2-PUH3-RBM-RVR60-UK","price":1239.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/RBT300-Mx2-PUH3-RBM-RVR60-UK_c441cb57-df48-4c43-a958-b10b3095462d.jpg?v=1789800198","url":"https:\/\/shop.roamwired.com\/products\/renogy-7-68kwh-off-grid-power-system","provider":"Roam Wired Shop","version":"1.0","type":"link"}