{"product_id":"bluetti-ep800-4xb500-home-battery-backup","title":"Bluetti EP800+4xB500 Home Battery Backup System - 10kWh Expandable Solar Storage","description":"\u003ch2\u003eIs Your Home Ready for the Next Power Outage Before the Lights Go Out?\u003c\/h2\u003e\n\u003cp\u003eMost homeowners don't think about backup power until the grid fails at the worst possible moment. A summer storm rolls through, the power drops, and suddenly the refrigerator, the sump pump, and everything else you depend on goes dark. Hours turn into days, and you're left scrambling.\u003c\/p\u003e\n\u003cp\u003eThe longer you wait, the more vulnerable your household stays. Spoiled food, failed medical devices, flooded basements, and no heat or cooling aren't inconveniences. They're real financial and safety risks. You need a solution that works the moment you need it, not one that leaves you guessing.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBluetti EP800+4xB500\u003c\/strong\u003e is a whole-home battery backup system built to handle exactly that. With 10kWh of expandable LiFePO4 storage and up to 6,000W of continuous output, this system gives your household the capacity to run critical loads for extended periods, with or without solar.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e10kWh starting capacity:\u003c\/strong\u003e Four B500 expansion batteries deliver serious storage so you can run your home through overnight outages and multi-day grid disruptions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e6,000W continuous output:\u003c\/strong\u003e Power your refrigerator, HVAC, lights, and other heavy loads without compromise or manual load management.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLiFePO4 chemistry:\u003c\/strong\u003e Lithium Iron Phosphate cells offer superior thermal stability, a longer cycle life, and safer operation compared to standard lithium-ion alternatives.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBidirectional inverter design:\u003c\/strong\u003e The EP800 supports solar, grid, and generator input, giving you multiple ways to keep the batteries charged and your home powered.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSmart monitoring via the Bluetti app:\u003c\/strong\u003e Track energy flow, battery state, and system performance in real time from your phone.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWhole-home integration:\u003c\/strong\u003e Designed to work with a subpanel or critical-load panel, the EP800 slots cleanly into an existing home electrical setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eEP800+4xB500 Features and Performance You Can Count On\u003c\/h2\u003e\n\u003cp\u003eBluetti built the EP800 around a bidirectional inverter platform, which means the same unit handles charging from the grid, discharging to your home, and managing solar input all at once. There's no external inverter to install separately. The B500 expansion batteries connect directly to the EP800, and with four units included in this bundle, you're starting at a full 10kWh of usable capacity right out of the box.\u003c\/p\u003e\n\u003cp\u003eThe system supports up to 16.4kW of solar input, making it one of the more capable solar-ready home battery platforms available for residential use. If you're adding panels now or planning to in the future, the EP800 scales with your setup. The LiFePO4 cells are rated for over 3,500 charge cycles before dropping to 80% capacity, which translates to a decade or more of dependable daily use.\u003c\/p\u003e\n\u003cp\u003eCharging is flexible. You can pull power from the grid during off-peak hours, charge from solar panels, or connect a compatible generator for fuel-powered replenishment during extended outages. The Bluetti app ties everything together with real-time monitoring and scheduling controls so you're always in control of how the system operates.\u003c\/p\u003e\n\u003cp\u003eReady to put the EP800+4xB500 to work at your home? \u003ca href=\"\/pages\/contact\"\u003eTalk to our power specialists\u003c\/a\u003e to confirm compatibility with your electrical setup before you order.\u003c\/p\u003e\n\n\u003ch2\u003eIdeal Use Cases for the Bluetti EP800 4xB500 Bundle\u003c\/h2\u003e\n\u003cp\u003eThis system is purpose-built for homeowners who need reliable, whole-home or partial-home backup coverage. It's not a portable power station for camping trips. It's a permanent, wall-mounted energy storage system designed for residential installation.\u003c\/p\u003e\n\u003cp\u003eHere's where the EP800+4xB500 delivers the most value:\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEmergency home backup:\u003c\/strong\u003e Keep your refrigerator, medical devices, HVAC blower, and lights running through grid outages that last hours or days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSolar self-consumption:\u003c\/strong\u003e Store excess solar energy generated during the day and use it at night, reducing grid dependence and utility bills.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTime-of-use optimization:\u003c\/strong\u003e Charge the batteries when electricity rates are low, then discharge during peak-rate hours to cut energy costs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePartial home backup without a standby generator:\u003c\/strong\u003e For homeowners who don't want the noise, maintenance, or fuel costs of a gas generator, the EP800 provides a quiet, maintenance-light alternative for critical loads.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOff-grid supplemental storage:\u003c\/strong\u003e Pair with a substantial solar array for extended off-grid capability at a rural property or cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf your household has frequent outages, rising utility rates, or a solar system already in place, this bundle is built for your situation. \u003ca href=\"\/pages\/contact\"\u003eContact us today\u003c\/a\u003e to get personalized guidance on sizing and installation requirements.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the Bluetti EP800+4xB500 Stands Apart from Other Home Battery Options\u003c\/h2\u003e\n\u003cp\u003ePlenty of home battery systems exist, but most fall into one of two camps: underpowered units that can't run meaningful loads, or oversized whole-home systems that require a licensed electrician and a five-figure investment just to get started. The EP800+4xB500 sits in a practical middle ground.\u003c\/p\u003e\n\u003cp\u003eGeneric or off-brand competitors often ship with NMC lithium cells that carry higher thermal risk and degrade faster under daily cycling. The EP800 uses LiFePO4 chemistry, which is widely recognized as the safer, longer-lasting option for stationary storage. With a 3,500-plus cycle rating, you won't be replacing cells or shopping for a new system in five years.\u003c\/p\u003e\n\u003cp\u003eBluetti has been designing large-format battery systems since 2019 and has earned a reputation for app integration, build quality, and responsive customer support. The EP800 specifically carries certifications for North American residential installation, which matters when your local electrician needs to sign off on the work.\u003c\/p\u003e\n\u003cp\u003eBuying from an unauthorized seller might save a few dollars upfront, but it voids the manufacturer warranty and leaves you without recourse if something goes wrong. Mighty Generators is an authorized Bluetti dealer, which means your purchase is backed by the full manufacturer warranty and our own dealer support team.\u003c\/p\u003e\n\n\u003ch2\u003eBluetti EP800+4xB500 Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left;\"\u003eSpecification\u003c\/th\u003e\n \u003cth style=\"text-align:left;\"\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eEP800 + 4x B500\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTotal Usable Capacity\u003c\/td\u003e\n\u003ctd\u003e10kWh (4 x 2.5kWh)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eContinuous AC Output\u003c\/td\u003e\n\u003ctd\u003e6,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePeak AC Output\u003c\/td\u003e\n\u003ctd\u003e10,000W (surge)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAC Voltage Output\u003c\/td\u003e\n\u003ctd\u003e120V\/240V Split Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4 (Lithium Iron Phosphate)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCycle Life\u003c\/td\u003e\n\u003ctd\u003e3,500+ cycles to 80% capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMax Solar Input\u003c\/td\u003e\n\u003ctd\u003e16,400W (EP800)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSolar Input Voltage Range\u003c\/td\u003e\n\u003ctd\u003e55V - 150V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMax Charging Current (Solar)\u003c\/td\u003e\n\u003ctd\u003e130A\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eGrid Charging\u003c\/td\u003e\n\u003ctd\u003eYes, up to 6,000W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eGenerator Charging\u003c\/td\u003e\n\u003ctd\u003eYes, compatible with AC generator input\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eExpandable Battery Slots\u003c\/td\u003e\n\u003ctd\u003eUp to 8x B500 (20kWh maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApp Monitoring\u003c\/td\u003e\n\u003ctd\u003eBluetti App (iOS and Android), Wi-Fi and Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eWall-mounted, indoor\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-4F to 104F (-20C to 40C)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEP800 Unit Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 132 lbs (60 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eB500 Unit Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 110 lbs (50 kg) each\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Listed, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years (EP800); 5 years (B500)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e1x Bluetti EP800 Bidirectional Inverter Unit\u003c\/li\u003e\n \u003cli\u003e4x Bluetti B500 Expansion Battery Units\u003c\/li\u003e\n \u003cli\u003eBattery interconnect cables\u003c\/li\u003e\n \u003cli\u003eAC input\/output wiring harness\u003c\/li\u003e\n \u003cli\u003eWall mounting hardware\u003c\/li\u003e\n \u003cli\u003eUser manual and quick-start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions About the Bluetti EP800+4xB500\u003c\/h2\u003e\n\n\u003ch3\u003eHow long will the Bluetti EP800+4xB500 power my home during an outage?\u003c\/h3\u003e\n\u003cp\u003eRuntime depends on which appliances you're running and how many are active at once. With 10kWh of capacity and a 6,000W continuous output, the system can run a standard refrigerator, several lights, and a TV for 12 to 20 hours on a full charge. Running high-draw loads like central air conditioning or an electric range will reduce that window significantly. Pairing the system with solar panels keeps the batteries replenished during daytime hours, extending your coverage through multi-day outages.\u003c\/p\u003e\n\n\u003ch3\u003eCan I add more B500 batteries to the EP800 later if I need more storage?\u003c\/h3\u003e\n\u003cp\u003eYes. The EP800 supports up to eight B500 units total, which brings maximum capacity to 20kWh. This bundle includes four B500s to get you started at 10kWh, and you can purchase additional B500 batteries and connect them to the same EP800 inverter unit when you're ready to expand. No new inverter hardware is required.\u003c\/p\u003e\n\n\u003ch3\u003eDoes the Bluetti EP800+4xB500 require a licensed electrician to install?\u003c\/h3\u003e\n\u003cp\u003eYes, professional installation by a licensed electrician is required and strongly recommended. The EP800 outputs 120V\/240V split-phase power and must be connected to a subpanel or critical-load panel in your home's electrical system. Installation requirements will vary by local code, and your electrician will need to pull the appropriate permits. Bluetti provides wiring documentation and installation guides to streamline the process.\u003c\/p\u003e\n\n\u003ch3\u003eWill the EP800+4xB500 work with my existing solar panel system?\u003c\/h3\u003e\n\u003cp\u003eIn most cases, yes. The EP800 accepts solar input up to 16,400W with a voltage range of 55V to 150V DC, which is compatible with a wide variety of residential panel configurations. If your existing system routes through a separate solar inverter, your installer will need to evaluate the integration path. For new solar installations, the EP800's built-in MPPT controllers simplify the connection significantly.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Bluetti EP800 compare to a standby propane or natural gas generator?\u003c\/h3\u003e\n\u003cp\u003eA gas standby generator produces power continuously as long as it has fuel, while the EP800+4xB500 stores and delivers a set amount of energy per charge cycle. The battery system wins on noise, emissions, and maintenance since there are no oil changes, no exhaust fumes, and no engine to service. For outages beyond two to three days without solar recharging, a generator still has the edge in raw runtime. Many homeowners use both: a battery system for immediate, silent backup and a generator for extended events.\u003c\/p\u003e\n\n\u003ch3\u003eIs the Bluetti EP800+4xB500 covered under a manufacturer warranty when purchased through Mighty Generators?\u003c\/h3\u003e\n\u003cp\u003eYes. The EP800 inverter unit and each B500 battery carry a 5-year manufacturer warranty from Bluetti. Because Mighty Generators is an authorized Bluetti dealer, every unit we sell is covered under the full warranty with no restrictions. Purchasing from unauthorized resellers on third-party marketplaces can void that coverage entirely. Still have questions? Contact our power specialists before you order.\u003c\/p\u003e\n\n\u003ch2\u003eWarranty and Authorized Dealer Assurance\u003c\/h2\u003e\n\u003cp\u003eBluetti backs the EP800 and B500 with a 5-year warranty on both the inverter unit and the expansion batteries. That coverage is only valid when you purchase through an authorized dealer. Mighty Generators is an authorized Bluetti dealer, and every EP800+4xB500 system we sell ships with full manufacturer warranty protection.\u003c\/p\u003e\n\u003cp\u003eOur team includes power equipment specialists who can help you evaluate whether this system fits your home's load requirements, your electrical panel capacity, and your installation timeline. We don't just process orders. We're here before the sale and after it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"\/pages\/contact\"\u003eContact Mighty Generators today\u003c\/a\u003e to speak with a power specialist and get your Bluetti EP800+4xB500 ordered with full confidence.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Bluetti","offers":[{"title":"Default Title","offer_id":52572715876626,"sku":"P-EP800-US-WH-BL-010","price":8999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/3885\/9282\/files\/7acd46317ef07ef8583cd2f45e25ba65_79692acc-0c79-47f0-ad94-0ddd13b756a0.jpg?v=1785632768","url":"https:\/\/mightygenerators.com\/products\/bluetti-ep800-4xb500-home-battery-backup","provider":"Mighty Generators","version":"1.0","type":"link"}