BLUETTI B500K 5120Wh Expansion Battery – K1 & K2

Expand Your Power. Store More Energy. Stay Powered for Longer. Take your portable power system to the next level with the BLUETTI B500K 5120Wh Expansion Battery. Featuring a substantial 5.12kWh lithium battery capacity, the B500K provides additional energy storage for compatible BLUETTI power stations, making it ideal for extended off-grid use, caravanning, camping, remote worksites and emergency home backup. Designed for customers who need longer runtimes without replacing their existing power station, the B500K offers a flexible way to expand their energy storage system. Key Features 5120Wh (5.12kWh) Battery Capacity – Add substantial energy storage to a compatible BLUETTI power station. LiFePO4 Battery Technology – Lithium iron phosphate chemistry designed for long service life and dependable performance. Expandable Energy Storage – Increase your available battery capacity by connecting compatible expansion batteries. Solar Energy Storage – Store electricity generated through a compatible solar charging power station. Portable and Modular Design – Expand your system as your energy requirements grow. Home Backup Applications – Extend runtime for essential appliances and equipment during power outages. Camping and Off-Grid Power – Suitable for extended trips, caravans, cabins and remote locations. K1 & K2 Configurations – Select the appropriate configuration for your compatible BLUETTI system. 5.12kWh of Additional Battery Storage With 5120Wh of energy storage, the BLUETTI B500K is designed to extend the operating time of compatible power stations. Whether you're powering a camping fridge, lighting, communication equipment, household essentials or other electrical devices, additional battery capacity helps reduce the frequency of recharging. Actual operating time depends on the connected power station, appliance consumption, inverter efficiency and operating conditions. Advanced LiFePO4 Lithium Battery Technology The B500K uses lithium iron phosphate (LiFePO4) battery technology, offering advantages for portable and expandable energy storage applications. LiFePO4 batteries are known for their thermal stability, long cycle life and suitability for regular charging and discharging. This makes the B500K a practical choice for customers building a modular energy storage system for frequent use. Expand Your Off-Grid Solar Power System When connected to a compatible BLUETTI power station with solar charging capability, the B500K can store additional energy collected from solar panels. This makes it useful for: Off-grid solar power systems Caravan and motorhome battery storage Camping and 4WD adventures Emergency home backup power Remote cabins and rural properties Mobile businesses and worksites Solar panels and the compatible power station are sold separately unless specified in a bundle. Technical Specifications Specification Details Brand BLUETTI Model B500K Product Type Expansion Battery Battery Capacity 5120Wh / 5.12kWh Battery Chemistry LiFePO4 (Lithium Iron Phosphate) Configuration K1 & K2 Application Additional battery storage for compatible BLUETTI systems Solar Charging Via a compatible solar-capable power station Expandability Subject to compatible power station limits AC Output Requires a compatible power station Installation Compatible expansion connection and cable required Important Compatibility Information The BLUETTI B500K is an expansion battery, not a standalone AC power station. It is designed to increase the storage capacity of supported BLUETTI systems. Before ordering, please confirm that the selected K1 or K2 configuration is compatible with your power station and that the correct connection cable is included or available separately. Compatibility, supported expansion capacity and charging functionality depend on the connected BLUETTI model. Why Buy from Solar Battery Supermarket? At Solar Battery Supermarket, we offer portable power stations, lithium expansion batteries and solar energy solutions for Australian homes, camping, caravanning and off-grid applications. Explore our range of BLUETTI power stations, compatible accessories and expandable battery storage solutions. BLUETTI B500K 5120Wh – More battery capacity for longer-lasting portable and off-grid power.