The BLUETTI B500K is a high-density extension battery with a capacity of 5,120Wh LiFePO4, designed to enhance the capacity of compatible power systems such as Apex 300, AC500, and AC200L.

• Over 4,000 charge cycles
• Cable-free internal durability system
• Expandability up to 100kWh

It provides the large storage energy needed for complete home powering and off-grid operation.