Meet the BLUETTI B500K-the battery that works harder so you don't have to. 1 of these power beasts equals 2 B300Ks, giving you twice the juice, half the clutter. With plug-and-play design, it hops between AC200L, AC300, AC500, and Apex 300 like it owns the place. Build up to a 100kWh solar system and forget power worries for good. Rock-solid inside, sleek outside, and easy to roll with the Foldable Trolley 2. Pair it with SolarX 4K or the new Charger 2 for the ultimate energy combo. | Bluetti | | 5120Wh LiFePO4 Expansion Battery with CA90 Cable for Apex 300 (5120 Wh Capacity) | Best Buy