The B300K IP65 Expansion Battery from Bluetti is a powerful and reliable power source with an impressive capacity of 2764.8 Wh. This power station is equipped with lithium iron phosphate battery cells, which are known for their longevity and safety. With a life cycle of up to 4000 cycles, the B300K offers a sustainable solution for various applications, be it camping, emergencies or as a backup power supply for household appliances. The battery is designed for use in a wide temperature range, making it versatile. It is also equipped with an IP65 waterproof rating, which provides additional protection against water and dust. The compact design and moderate weight make it easy to transport and store. Long-life lithium iron phosphate battery cells with up to 4000 cycles. Operating temperature range from -20℃ to 40℃ for versatile applications. IP65 waterproof rating for additional protection. Compact dimensions for easy handling and transport.