{"product_id":"bluetti-b500k-5-120wh-expansion-battery","title":"BLUETTI B500K 5,120Wh Expansion Battery","description":"\u003cp\u003e\u003cstrong\u003eThe BLUETTI B500K Expansion Battery\u003c\/strong\u003e is a high-capacity \u003cstrong\u003e5,120Wh LiFePO₄\u003c\/strong\u003e battery module designed to extend the runtime and storage capacity of compatible BLUETTI power stations. Featuring more than \u003cstrong\u003e4,000\u003c\/strong\u003e battery cycles, \u003cstrong\u003ethird-generation\u003c\/strong\u003e wireless internal construction, active cooling, flexible wall or trolley installation and broad BLUETTI ecosystem compatibility, it provides dependable energy storage for home backup, caravanning, off-grid living, small businesses, emergencies and extended outdoor power applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e BLUETTI\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e B500K\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Expansion Battery \/ Portable Energy Storage Battery\u003cbr\u003e\u003cstrong\u003eBattery Capacity:\u003c\/strong\u003e 5,120Wh \/ 5.12kWh\u003cbr\u003e\u003cstrong\u003eBattery Chemistry:\u003c\/strong\u003e LiFePO₄ \/ Lithium Iron Phosphate\u003cbr\u003e\u003cstrong\u003eCycle Life:\u003c\/strong\u003e 4,000+ Cycles to 80% Original Capacity\u003cbr\u003e\u003cstrong\u003eExpected Service Life:\u003c\/strong\u003e Up to 10 Years\u003cbr\u003e\u003cstrong\u003eBattery Management:\u003c\/strong\u003e Integrated Battery Management System\u003cbr\u003e\u003cstrong\u003eExpansion Ports:\u003c\/strong\u003e 2\u003cbr\u003e\u003cstrong\u003eMaximum Expansion Port Rating:\u003c\/strong\u003e 58.4V DC, 90A\u003cbr\u003e\u003cstrong\u003eMaximum Charging Current:\u003c\/strong\u003e 65A\u003cbr\u003e\u003cstrong\u003eMaximum Discharging Current:\u003c\/strong\u003e 70A\u003cbr\u003e\u003cstrong\u003eCompatible Power Stations:\u003c\/strong\u003e BLUETTI Apex 300, AC200L, AC200MAX, AC300 and AC500\u003cbr\u003e\u003cstrong\u003eMaximum Ecosystem Expansion:\u003c\/strong\u003e Up to 100kWh in supported multi-unit configurations\u003cbr\u003e\u003cstrong\u003eStandalone Power Function:\u003c\/strong\u003e Requires compatible BLUETTI ecosystem accessories\u003cbr\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 4 Years\u003cbr\u003e\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e The required expansion cable depends on the connected BLUETTI power station and selected B500K product variant.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e5,120Wh Expansion Capacity:\u003c\/strong\u003e\u003cbr\u003eAdds 5.12kWh of battery storage to a compatible BLUETTI power system, helping extend runtime for household appliances, refrigeration, communication equipment, lighting, tools and essential electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMore Than 4,000 Battery Cycles:\u003c\/strong\u003e\u003cbr\u003eBuilt with long-lasting LiFePO₄ battery technology designed to retain approximately 80% of its original capacity after more than 4,000 complete charging cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUp to 10 Years of Reliable Energy Storage:\u003c\/strong\u003e\u003cbr\u003eDesigned to provide dependable backup and off-grid energy storage for up to a decade under suitable usage, charging and storage conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScalable Energy Storage:\u003c\/strong\u003e\u003cbr\u003eAllows compatible BLUETTI systems to expand from essential appliance backup to whole-home, off-grid or small-business energy storage configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUp to 100kWh Ecosystem Expansion:\u003c\/strong\u003e\u003cbr\u003eSupports larger compatible BLUETTI configurations that can scale to as much as 100kWh for extended backup duration and higher energy requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBroad BLUETTI Compatibility:\u003c\/strong\u003e\u003cbr\u003eWorks with compatible BLUETTI Apex 300, AC200L, AC200MAX, AC300 and AC500 power systems, helping users expand both existing and newer BLUETTI configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThird-Generation Wireless Internal Design:\u003c\/strong\u003e\u003cbr\u003eUses an advanced internal structure with fewer conventional wiring connections, helping improve durability and resistance to knocks, shocks and vibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActive Cooling System:\u003c\/strong\u003e\u003cbr\u003eAn integrated cooling fan helps regulate internal temperatures and maintain stable battery performance during demanding charging and discharging conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFixed or Mobile Installation:\u003c\/strong\u003e\u003cbr\u003eCan be secured to a suitable wall or rack using its mounting points or installed on the optional BLUETTI Foldable Trolley 2 for easier movement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmarter Power Ecosystem Integration:\u003c\/strong\u003e\u003cbr\u003eCan be paired with compatible BLUETTI ecosystem products such as the Apex 300, SolarX 4K and Hub D1 for expanded renewable energy and DC power applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Standalone DC Power:\u003c\/strong\u003e\u003cbr\u003eWhen paired with compatible ecosystem components such as the BLUETTI Hub D1, the B500K can support up to 700W of DC power for suitable devices and applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Emergency Backup:\u003c\/strong\u003e\u003cbr\u003eProvides additional stored energy during blackouts, severe weather, remote travel and other situations where grid electricity may be unavailable.\u003c\/p\u003e\n\u003ch3\u003eMechanical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Expansion Battery Module\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 520 × 327 × 308.5mm\u003cbr\u003e\u003cstrong\u003eDimensions in Inches:\u003c\/strong\u003e 20.47 × 12.87 × 12.15in\u003cbr\u003e\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 45kg \/ 99.21lb\u003cbr\u003e\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Stackable, wall-mounted, rack-mounted or trolley-supported installation\u003cbr\u003e\u003cstrong\u003eMounting Support:\u003c\/strong\u003e Integrated mounting points\u003cbr\u003e\u003cstrong\u003ePortable Setup:\u003c\/strong\u003e Compatible with the separately sold BLUETTI Foldable Trolley 2\u003cbr\u003e\u003cstrong\u003eInternal Construction:\u003c\/strong\u003e Third-Generation Wireless Internal Frame\u003cbr\u003e\u003cstrong\u003eCooling System:\u003c\/strong\u003e Integrated Active Cooling Fan\u003cbr\u003e\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Dual BLUETTI Expansion Battery Ports\u003cbr\u003e\u003cstrong\u003eWorking Humidity:\u003c\/strong\u003e 5%–95% RH\u003cbr\u003e\u003cstrong\u003eCharging Temperature:\u003c\/strong\u003e 0°C to 40°C \/ 32°F to 104°F\u003cbr\u003e\u003cstrong\u003eDischarging Temperature:\u003c\/strong\u003e -20°C to 40°C \/ -4°F to 104°F\u003cbr\u003e\u003cstrong\u003eStorage Temperature – Up to One Month:\u003c\/strong\u003e -20°C to 40°C \/ -4°F to 104°F\u003cbr\u003e\u003cstrong\u003eStorage Temperature – Up to Six Months:\u003c\/strong\u003e -20°C to 25°C \/ -4°F to 77°F\u003c\/p\u003e\n\u003ch3\u003eWarranty Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 4 Years\u003cbr\u003e\u003cstrong\u003eCustomer Support:\u003c\/strong\u003e Lifetime Customer Support\u003cbr\u003e\u003cstrong\u003eBattery Cycle Rating:\u003c\/strong\u003e 4,000+ Cycles to 80% Original Capacity\u003cbr\u003e\u003cstrong\u003eProduct Registration:\u003c\/strong\u003e Product registration may be required to activate or claim the available warranty coverage.\u003cbr\u003e\u003cstrong\u003eCompatibility Requirement:\u003c\/strong\u003e Use only with compatible BLUETTI power stations, approved cables and supported system configurations.\u003cbr\u003e\u003cstrong\u003eStorage Recommendation:\u003c\/strong\u003e Recharge the battery periodically during long-term storage and avoid leaving it fully discharged for extended periods.\u003cbr\u003e\u003cstrong\u003eInstallation Requirement:\u003c\/strong\u003e Install the battery in a stable, dry and ventilated location away from excessive heat, moisture and direct exposure to severe weather.\u003cbr\u003e\u003cstrong\u003eHandling Requirement:\u003c\/strong\u003e Due to its 45kg weight, use appropriate lifting assistance and secure the battery properly during transport or installation.\u003c\/p\u003e\n\u003ch3\u003eElectrical Performance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Capacity:\u003c\/strong\u003e 5,120Wh \/ 5.12kWh\u003cbr\u003e\u003cstrong\u003eBattery Chemistry:\u003c\/strong\u003e LiFePO₄ \/ Lithium Iron Phosphate\u003cbr\u003e\u003cstrong\u003eCycle Life:\u003c\/strong\u003e 4,000+ Cycles to 80% Original Capacity\u003cbr\u003e\u003cstrong\u003eExpected Service Life:\u003c\/strong\u003e Up to 10 Years\u003cbr\u003e\u003cstrong\u003eBattery Management:\u003c\/strong\u003e Integrated Battery Management System\u003cbr\u003e\u003cstrong\u003eMaximum Charging Current:\u003c\/strong\u003e 65A\u003cbr\u003e\u003cstrong\u003eMaximum Discharging Current:\u003c\/strong\u003e 70A\u003c\/p\u003e\n\u003ch3\u003eExpansion Port Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Expansion Ports:\u003c\/strong\u003e 2\u003cbr\u003e\u003cstrong\u003eMaximum Expansion Port Voltage:\u003c\/strong\u003e 58.4V DC\u003cbr\u003e\u003cstrong\u003eMaximum Expansion Port Current:\u003c\/strong\u003e 90A\u003cbr\u003e\u003cstrong\u003ePrimary Output Type:\u003c\/strong\u003e BLUETTI battery expansion connection\u003cbr\u003e\u003cstrong\u003eAC Output:\u003c\/strong\u003e Not available directly from the B500K\u003cbr\u003e\u003cstrong\u003eBuilt-In USB Output:\u003c\/strong\u003e Not available\u003cbr\u003e\u003cstrong\u003eBuilt-In Car Outlet:\u003c\/strong\u003e Not available\u003cbr\u003e\u003cstrong\u003eStandalone DC Output:\u003c\/strong\u003e Requires a compatible accessory such as the BLUETTI Hub D1\u003c\/p\u003e\n\u003ch3\u003eCharging Performance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCharging Management:\u003c\/strong\u003e Controlled through the connected BLUETTI power station or compatible charging accessory\u003cbr\u003e\u003cstrong\u003eAC Charging:\u003c\/strong\u003e Supported through compatible BLUETTI power stations\u003cbr\u003e\u003cstrong\u003eSolar Charging:\u003c\/strong\u003e Supported through the connected power station’s solar input system\u003cbr\u003e\u003cstrong\u003eVehicle Charging:\u003c\/strong\u003e Supported when paired with compatible BLUETTI vehicle charging accessories\u003cbr\u003e\u003cstrong\u003eGenerator Charging:\u003c\/strong\u003e Supported through compatible connected power stations\u003cbr\u003e\u003cstrong\u003eMaximum Charging Current:\u003c\/strong\u003e 65A\u003cbr\u003e\u003cstrong\u003eDirect Wall Charging:\u003c\/strong\u003e Requires a compatible BLUETTI power station or approved charging accessory\u003c\/p\u003e\n\u003ch3\u003eActual charging time depends on:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnected BLUETTI power station\u003c\/li\u003e\n\u003cli\u003eCharging source and available input power\u003c\/li\u003e\n\u003cli\u003eNumber of connected expansion batteries\u003c\/li\u003e\n\u003cli\u003eBattery state of charge\u003c\/li\u003e\n\u003cli\u003eAmbient and battery temperature\u003c\/li\u003e\n\u003cli\u003eSystem configuration and cable type\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Products:\u003c\/strong\u003e BLUETTI Apex 300, AC200L, AC200MAX, AC300 and AC500\u003cbr\u003e\u003cstrong\u003eApex 300 Maximum B500K Batteries:\u003c\/strong\u003e Up to 6\u003cbr\u003e\u003cstrong\u003eApex 300 Maximum Capacity:\u003c\/strong\u003e Up to 33,484.8Wh with six B500K batteries\u003cbr\u003e\u003cstrong\u003eAC200L Maximum B500K Batteries:\u003c\/strong\u003e Up to 2\u003cbr\u003e\u003cstrong\u003eAC200L Maximum Capacity:\u003c\/strong\u003e Up to 12,288Wh with two B500K batteries\u003cbr\u003e\u003cstrong\u003eAC300 Maximum B500K Batteries:\u003c\/strong\u003e Up to 4\u003cbr\u003e\u003cstrong\u003eAC300 Maximum Capacity:\u003c\/strong\u003e Up to 20,480Wh with four B500K batteries\u003cbr\u003e\u003cstrong\u003eAC500 Maximum B500K Batteries:\u003c\/strong\u003e Up to 6\u003cbr\u003e\u003cstrong\u003eAC500 Maximum Capacity:\u003c\/strong\u003e Up to 30,720Wh with six B500K batteries\u003cbr\u003e\u003cstrong\u003eDual AC500 Split-Phase Configuration:\u003c\/strong\u003e Supports up to 12 B500K batteries\u003cbr\u003e\u003cstrong\u003eDual AC500 Maximum Battery Capacity:\u003c\/strong\u003e Up to 61,440Wh\u003cbr\u003e\u003cstrong\u003eBroader System Expansion:\u003c\/strong\u003e Up to 100kWh in supported BLUETTI multi-unit configurations\u003cbr\u003e\u003cstrong\u003ePower Bank Mode:\u003c\/strong\u003e Requires a compatible accessory such as the BLUETTI Hub D1\u003cbr\u003e\u003cstrong\u003eCable Requirement:\u003c\/strong\u003e The supplied or required cable varies according to the connected power station.\u003cbr\u003e\u003cstrong\u003eCompatibility Limitation:\u003c\/strong\u003e The B500K does not include an integrated inverter and cannot provide direct AC power without a compatible BLUETTI power station.\u003c\/p\u003e\n\u003ch3\u003eSmart Energy Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports expandable BLUETTI energy storage\u003c\/li\u003e\n\u003cli\u003eProvides 5,120Wh of additional battery capacity\u003c\/li\u003e\n\u003cli\u003eUses long-lasting LiFePO₄ battery technology\u003c\/li\u003e\n\u003cli\u003eProvides more than 4,000 battery cycles\u003c\/li\u003e\n\u003cli\u003eDesigned for up to 10 years of energy storage use\u003c\/li\u003e\n\u003cli\u003eSupports up to 100kWh in compatible BLUETTI ecosystem configurations\u003c\/li\u003e\n\u003cli\u003eSupports Apex 300 expansion up to 33,484.8Wh\u003c\/li\u003e\n\u003cli\u003eSupports AC200L expansion up to 12,288Wh\u003c\/li\u003e\n\u003cli\u003eSupports AC300 expansion up to 20,480Wh\u003c\/li\u003e\n\u003cli\u003eSupports AC500 expansion up to 30,720Wh\u003c\/li\u003e\n\u003cli\u003eSupports dual AC500 configurations up to 61,440Wh\u003c\/li\u003e\n\u003cli\u003eFeatures two high-current expansion ports\u003c\/li\u003e\n\u003cli\u003eSupports up to 65A charging current\u003c\/li\u003e\n\u003cli\u003eSupports up to 70A discharging current\u003c\/li\u003e\n\u003cli\u003eFeatures third-generation wireless internal construction\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated active cooling fan\u003c\/li\u003e\n\u003cli\u003eSupports wall, rack or trolley installation\u003c\/li\u003e\n\u003cli\u003eSupports compatible BLUETTI home backup systems\u003c\/li\u003e\n\u003cli\u003eSupports compatible off-grid energy configurations\u003c\/li\u003e\n\u003cli\u003eSupports optional DC power through compatible ecosystem accessories\u003c\/li\u003e\n\u003cli\u003eDesigned for long-term backup and frequent battery use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHome backup power systems\u003c\/li\u003e\n\u003cli\u003eWhole-home energy storage configurations\u003c\/li\u003e\n\u003cli\u003ePower outage preparedness\u003c\/li\u003e\n\u003cli\u003eOff-grid homes and cabins\u003c\/li\u003e\n\u003cli\u003eRV and caravan energy storage\u003c\/li\u003e\n\u003cli\u003eCamping and outdoor adventures\u003c\/li\u003e\n\u003cli\u003eSmall-business backup power\u003c\/li\u003e\n\u003cli\u003eRemote work locations\u003c\/li\u003e\n\u003cli\u003eEmergency communication backup\u003c\/li\u003e\n\u003cli\u003eRefrigerator and freezer backup\u003c\/li\u003e\n\u003cli\u003eMedical device backup with a compatible power station\u003c\/li\u003e\n\u003cli\u003eLighting and household appliance backup\u003c\/li\u003e\n\u003cli\u003eMobile business operations\u003c\/li\u003e\n\u003cli\u003eOutdoor events\u003c\/li\u003e\n\u003cli\u003eSolar energy storage\u003c\/li\u003e\n\u003cli\u003eExtended road trips\u003c\/li\u003e\n\u003cli\u003eDisaster preparedness\u003c\/li\u003e\n\u003cli\u003eRenewable energy self-consumption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBLUETTI B500K Expansion Battery × 1\u003c\/li\u003e\n\u003cli\u003eCompatible Battery Expansion Cable × 1\u003c\/li\u003e\n\u003cli\u003eUser Manual × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eThe supplied expansion cable depends on the selected B500K variant. Apex 300 configurations may include a CA90 cable, while AC200L or AC300 configurations may include a P090A long cable. Additional adapters may be required for certain systems.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eSystem Benefits When Paired with Compatible BLUETTI Power Stations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdds 5,120Wh of battery storage to a compatible BLUETTI system\u003c\/li\u003e\n\u003cli\u003eExtends backup runtime for essential household appliances and electronics\u003c\/li\u003e\n\u003cli\u003eHelps reduce reliance on grid electricity during outages\u003c\/li\u003e\n\u003cli\u003eSupports storage of renewable energy generated by compatible solar panels\u003c\/li\u003e\n\u003cli\u003eAllows battery capacity to expand as household or business requirements grow\u003c\/li\u003e\n\u003cli\u003eSupports Apex 300, AC200L, AC200MAX, AC300 and AC500 systems\u003c\/li\u003e\n\u003cli\u003eProvides more than 4,000 battery cycles for long-term energy storage\u003c\/li\u003e\n\u003cli\u003eSupports flexible wall, rack or trolley installation\u003c\/li\u003e\n\u003cli\u003eProvides active cooling for stable battery operation\u003c\/li\u003e\n\u003cli\u003eSupports partial-home, whole-home and small-business backup configurations\u003c\/li\u003e\n\u003cli\u003eImproves energy security during blackouts and emergencies\u003c\/li\u003e\n\u003cli\u003eSupports extended RV, caravan and off-grid travel\u003c\/li\u003e\n\u003cli\u003eProvides quiet and emission-free stored energy\u003c\/li\u003e\n\u003cli\u003eSupports compatible BLUETTI solar and DC power ecosystem components\u003c\/li\u003e\n\u003cli\u003eHelps maintain essential power for refrigeration, lighting, communication, tools and other critical devices\u003c\/li\u003e\n\u003cli\u003eSupports longer off-grid power use when paired with compatible BLUETTI power stations, portable solar panels and charging accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eContact PVtoEV for compatibility guidance and complete BLUETTI power station, expansion battery and solar charging recommendations.\u003c\/em\u003e\u003c\/p\u003e","brand":"pvtoev","offers":[{"title":"Default Title","offer_id":41241415057480,"sku":null,"price":0.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/5407\/5720\/files\/2-25-025094-3-jpeg_800x800_0044e264-5a9a-4365-922c-be8422567bba.avif?v=1785314420","url":"https:\/\/pvtoev.com.au\/products\/bluetti-b500k-5-120wh-expansion-battery","provider":"pvtoev","version":"1.0","type":"link"}