Bluetti B500K Expansion Battery

You can connect up to 6 B500K batteries to the Bluetti AC500, giving you a total capacity of 30,720Wh (30.72kWh). This massive capacity is ideal for extended off-grid use, emergency backup, or powering high-energy appliances for days.

The main difference is capacity: the B500K has 5120Wh while the B300K has 2765Wh. The B500K is designed for users who need maximum capacity, while the B300K offers more flexibility for smaller setups. Both use LiFePO4 technology and have 3500+ charge cycles.

With 4000+ charge cycles to 80% capacity, the B500K is designed to last 10+ years with regular use. LiFePO4 batteries have a much longer lifespan than traditional lead-acid batteries and can withstand thousands of charge/discharge cycles.

Yes! The B500K uses LiFePO4 (Lithium Iron Phosphate) technology, which is the safest lithium battery chemistry available. It has no risk of thermal runaway or fire, making it completely safe for indoor use in your home, garage, or office.

Absolutely! When connected to the AC500 or AC200MAX, you can charge the B500K with solar panels. The AC500 supports up to 3000W solar input, allowing you to recharge your battery quickly using clean, renewable solar energy.

The Bluetti B500K comes with a 4-year factory warranty. This warranty covers any manufacturing defects and ensures you have a worry-free ownership experience. Bluetti is known for excellent customer support and reliable products.