BLUETTI B500K Expansion Battery with CA90 Cable, 5120Wh LiFePO4 Battery Pack for Portable Power Station Apex 300 Only, Solar Generator Extra for Home Backup, Emergency, Off-Grid ‎BLUETTI B500K for Apex 300

[Scalable Capacity Expansion] - 5120Wh per pack with 4,000+ cycles to 80% capacity. Expand up to 6 B500K per Apex 300. 3 Apex 300 with 18 B500Ks achieve an incredible 100kWh capacity.
[Widely Compatible] - B500K works with past and future BLUETTI portable power station including AC200L AC200MAX AC300 AC500 and Apex 300. This listing includes the CA90 cable (compatible only with Apex 300).
[Next-Gen Design Architecture 2.0] - The B500K expansion battery bulit with a cable-free internal layout, wireless internal structure lowers failure risks and saves space, resulting in a more compact, easy-to-move product.
[Usage Ecosystem] - Beyond capacity expansion, the B500K works with BLUETTI accessories for versatile charging and discharging: SolarX 4K (4000W), Alternator Charger (1600W), Hub D1 (700W DC), and future accessories.
[What You Get] - BLUETTI B500K expansion battery, CA90 battery connection cable for the BLUETTI Apex 300 B300K, and user manual.