{"product_id":"big-battery-apex-10k-off-grid-inverter","title":"Big Battery | APEX 10K Off-Grid Inverter","description":"\u003ch2 data-start=\"0\" data-end=\"61\"\u003eBig Battery APEX 10K Off-Grid Inverter with 10kW Split-Phase Power\u003c\/h2\u003e\n\u003cp data-start=\"63\" data-end=\"540\"\u003eBuilt for high-demand off-grid and backup applications, the EBig Battery APEX 10K delivers powerful, stable energy for homes, farms, and remote sites. Its 120\/240V split-phase output supports full residential loads, while advanced MPPT solar charging and 48V battery compatibility simplify system integration. Designed for scalability and long-term reliability, this inverter is well suited for renewable energy systems that require performance, flexibility, and operational confidence.\u003c\/p\u003e\n\u003cp data-start=\"542\" data-end=\"560\"\u003e\u003cstrong data-start=\"542\" data-end=\"558\"\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"561\" data-end=\"882\"\u003e\n\u003cli data-start=\"561\" data-end=\"607\"\u003eProvides 10kW of continuous off-grid power\u003c\/li\u003e\n\u003cli data-start=\"608\" data-end=\"661\"\u003eSupports 120\/240V split-phase residential systems\u003c\/li\u003e\n\u003cli data-start=\"662\" data-end=\"720\"\u003eIntegrated high-capacity MPPT solar charge controllers\u003c\/li\u003e\n\u003cli data-start=\"721\" data-end=\"780\"\u003eCompatible with 48V lithium and lead-acid battery banks\u003c\/li\u003e\n\u003cli data-start=\"781\" data-end=\"830\"\u003eParallel capable for expanded system capacity\u003c\/li\u003e\n\u003cli data-start=\"831\" data-end=\"882\"\u003ePure sine wave output for sensitive electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0775\/1398\/2234\/files\/1_bec3176b-f7da-463f-b484-e51b5751cc6b.png?v=1769459234\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0775\/1398\/2234\/files\/2_9e88183d-15fe-498e-8ecb-9c06e3edf704.png?v=1769459251\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0775\/1398\/2234\/files\/3_5907d607-ad8c-4dd1-8e76-0e90430d661d.png?v=1769459267\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"884\" data-end=\"906\"\u003e\u003cstrong data-start=\"888\" data-end=\"906\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 14.9819%;\"\u003eSection\u003c\/th\u003e\n\u003cth style=\"width: 20.9386%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"width: 63.3574%;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eDocument title\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eAPEX-10K Inverter Specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eBigBattery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eAPEX-10K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eGTIN \/ UPC\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e00199874999463\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eRated output power\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e10,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. output power\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e20,000VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eRated output voltage\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e120\/240 Vac, single-phase \/ split-phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eLoad capacity of motors\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e6 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eRated frequency\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e50 \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eOutput wave\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003ePure sine wave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eInverter output\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eSwitching time\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e10ms (typical value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eBattery type\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eLithium-ion battery \/ lead-acid battery \/ user-defined battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eRated battery voltage\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e48V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eVoltage range\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e40–60Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. solar charging current\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. grid \/ generator charging current\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e120A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. hybrid charge current\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e200A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eSolar input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eNumber of MPPT\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e1 + 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eSolar input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. input power\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e5,000W + 5,500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eSolar input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. input current\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e22A + 22A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eSolar input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. open circuit voltage\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e550Vdc + 550Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eSolar input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMPPT voltage range\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e125–450Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGrid \/ generator input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eInput voltage range\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e65–140Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGrid \/ generator input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eInput frequency range\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e50 \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGrid \/ generator input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eBypass overload current\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e63A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGrid \/ generator input\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eAC inputs\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e1 input (grid or generator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMax. efficiency\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e99.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eMPPT tracking efficiency\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eParallel capability\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eParallel capacity\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eUp to 6 units; more than 3 units in parallel can form three-phase output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e28.46 × 17.64 × 5.91 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e62 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eProtection degree\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eIP20 (indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eOperating temperature\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e14–131°F, derate above 113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eExternal module (optional)\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eWi-Fi \/ GPRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eNoise\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e\u0026lt; 60dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eCooling method\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eIntelligent fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eCommunication\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eRS485 \/ CAN \/ USB \/ Dry contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eGeneral data\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eIntegrated circuit breaker\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eUtility \/ Load \/ Battery \/ PV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eCertificates\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eUL1741, RoHS, EN61000-6-1, EN61000-6-3, FCC Part 15 Class B, IEC62109-1, IEC62109-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eOverload protection\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eOverload protection behavior\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003eOutput restores after 3 minutes; after 5 overload events, output will be off until inverter restart. 102% \u0026lt; load \u0026lt; 110%: error, output off after 5 minutes. 110% \u0026lt; load \u0026lt; 125%: error, output off after 10 seconds. Load \u0026gt; 125%: error, output off after 5 seconds.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 14.9819%;\"\u003eProtection features\u003c\/td\u003e\n\u003ctd style=\"width: 20.9386%;\"\u003eProtection features\u003c\/td\u003e\n\u003ctd style=\"width: 63.3574%;\"\u003ePV input current limiting, PV input over-voltage protection, PV night reverse current protection, AC input over-voltage protection, AC input under-voltage protection, battery over-voltage protection, battery under-voltage protection, battery over-current protection, AC output short-circuit protection, heat sink over-temperature protection, inverter over-load protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eManual \u0026amp; Downloads\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/APEX-SpecSheet.pdf\"\u003e\u003cstrong\u003eSpec Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bigbattery.com\/wp-content\/uploads\/2026\/01\/BigBattery-Apex-6.5-User-Manual.docx.pdf\"\u003e\u003cstrong\u003eUser Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Big Battery","offers":[{"title":"Default Title","offer_id":51630228832538,"sku":"INV035","price":1680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/1398\/2234\/files\/EG4-APEX-10K-Off-Grid-Inverter-with-10kW-Split-Pha-0.png?v=1769491964","url":"https:\/\/solarguyspro.com\/products\/big-battery-apex-10k-off-grid-inverter","provider":"Solar Guys Pro","version":"1.0","type":"link"}