{"product_id":"bigbattery-apex-6-5k-off-grid-inverter","title":"BigBattery APEX-6.5K Off-Grid Inverter | 6.5kW 120\/240V Hybrid","description":"\u003cdiv class=\"product-title\"\u003e\n\u003ch3 class=\"product_title entry-title\"\u003eAPEX-6.5K Off-Grid Inverter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-updated-hr-color\" id=\"model-response-message-contentr_17698e019fe11735\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"7\"\u003eThe APEX-6.5K Off-Grid Inverter is a rugged hybrid inverter built for reliable off-grid and backup power applications. With 6,500W rated output power, split-phase 120\/240V output, and pure sine-wave performance, it provides clean, stable energy for homes, cabins, homesteads, remote residences, and off-grid properties. Designed to work with modern LiFePO4 battery systems, it supports solar and generator input setups to help keep essential loads powered day and night.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eProduct Highlights\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eResidential Power:\u003c\/b\u003e 6,500W rated output power for residential, backup, and off-grid energy systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eSurge Capacity:\u003c\/b\u003e 13,000VA max output power for handling demanding loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eAppliance Compatibility:\u003c\/b\u003e Split-phase 120\/240V output for standard and heavy-duty appliances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eClean Energy:\u003c\/b\u003e Pure sine-wave output for clean, stable power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003eHybrid Inputs:\u003c\/b\u003e Solar + generator input support for flexible energy sources.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003eHeavy Duty Circuitry:\u003c\/b\u003e 80A pass-through capability for large appliances and critical circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,6,0\"\u003e\u003cb data-path-to-node=\"9,6,0\" data-index-in-node=\"0\"\u003eSystem Integration:\u003c\/b\u003e 48V battery system compatibility for off-grid and hybrid installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,7,0\"\u003e\u003cb data-path-to-node=\"9,7,0\" data-index-in-node=\"0\"\u003eScalable Output:\u003c\/b\u003e Supports up to 6 units in parallel for larger system configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,8,0\"\u003e\u003cb data-path-to-node=\"9,8,0\" data-index-in-node=\"0\"\u003eRapid Transfer:\u003c\/b\u003e 10ms typical switching time for fast backup power transfer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,9,0\"\u003e\u003cb data-path-to-node=\"9,9,0\" data-index-in-node=\"0\"\u003eTrusted Support:\u003c\/b\u003e 5-year limited warranty with lifetime USA-based tech support.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eReliable Off-Grid Power:\u003c\/b\u003e Delivers 6,500W rated output power with clean pure sine-wave performance for homesteads and remote residences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eWhole-Home Split-Phase Output:\u003c\/b\u003e Provides 120\/240V output, allowing it to power both everyday household loads and larger appliances with confidence.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eSolar-Ready Setup:\u003c\/b\u003e Supports solar input with 1 + 1 MPPTs and up to 5,000W + 5,000W max input power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eGenerator Input Support:\u003c\/b\u003e Designed to work with generator input for charging when solar production is low.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003eStrong Charging Capability:\u003c\/b\u003e Supports up to 140A max solar charging current and 80A max grid\/generator charging current.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\"\u003e\u003cb data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003eFast Power Transfer:\u003c\/b\u003e Features a 10ms typical switching time to provide quick transition support during backup use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,6,0\"\u003e\u003cb data-path-to-node=\"11,6,0\" data-index-in-node=\"0\"\u003eInstaller-Friendly Design:\u003c\/b\u003e Built with bottom-entry wiring to help simplify installation and keep the setup organized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,7,0\"\u003e\u003cb data-path-to-node=\"11,7,0\" data-index-in-node=\"0\"\u003eBuilt-In Protection Systems:\u003c\/b\u003e Includes PV over-voltage, battery protection, short-circuit, over-temperature, and overload protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,8,0\"\u003e\u003cb data-path-to-node=\"11,8,0\" data-index-in-node=\"0\"\u003eParallel Expansion Capability:\u003c\/b\u003e Supports up to 6 parallel units; 3 or more units can form a three-phase output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,9,0\"\u003e\u003cb data-path-to-node=\"11,9,0\" data-index-in-node=\"0\"\u003eCommunication \u0026amp; Monitoring:\u003c\/b\u003e Includes RS485, CAN, USB, and dry contact support with optional Wi-Fi\/GPRS modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1.webp 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1-300x123.webp 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1-768x315.webp 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1-990x406.webp 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1-441x181.webp 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1-813x333.webp 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1-150x62.webp 150w\" class=\"wp-image-212386\" alt=\"\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-5-1-1024x420-1.webp\" height=\"420\" width=\"1024\" decoding=\"async\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"854\" src=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1.webp\" alt=\"\" class=\"wp-image-212389\" srcset=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1.webp 1024w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1-300x250.webp 300w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1-768x641.webp 768w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1-990x826.webp 990w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1-441x368.webp 441w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1-813x678.webp 813w, https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/04\/Product-Infographics-3-1024x854-1-150x125.webp 150w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"3069\" data-start=\"3052\" data-section-id=\"xsmcan\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"3069\" data-start=\"3056\"\u003eResources\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"3407\" data-start=\"3073\"\u003e\n\u003cli data-end=\"3177\" data-start=\"3073\" data-section-id=\"g7danu\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/02\/APEX-SpecSheet0202.pdf\"\u003e\u003cstrong data-end=\"3090\" data-start=\"3075\"\u003eSpec Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli data-end=\"3290\" data-start=\"3180\" data-section-id=\"18h963j\"\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/BigBattery-Apex-6.5-User-Manual.docx.pdf\"\u003e\u003cstrong data-end=\"3198\" data-start=\"3182\"\u003eUser Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BigBattery","offers":[{"title":"Default Title","offer_id":50711357948151,"sku":"INV034","price":1490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/APEX-6.5KMAINIMG-scaled-2.webp?v=1777042974","url":"https:\/\/northgridsupply.com\/products\/bigbattery-apex-6-5k-off-grid-inverter","provider":"Northgrid Supply","version":"1.0","type":"link"}