VK31 21700 Battery Pack offers high-performance, customizable power solutions for electric vehicles and energy storage systems. Featuring 14S4P/13S4P/10S5P configurations, IPX5 waterproof rating, and compact 489x95x97mm design, it ensures durability, efficiency, and seamless integration. Ideal for EVs and industrial applications requiring reliable, low-power-consumption batteries with smart APP monitoring and long standby life.More