Intelligent active balanced charging design is adopted to provide extra energy for low-power cells and guarantee battery life of electric vehicles. Battery design 20A maximum sustainable charging, the core design of the increase of current and current design, can fully balance each cell to accept the charger current, to ensure the safety and stability of the battery; Stainless steel shell customization, IPX7 waterproof support; Any time you gently press the display button, you'll know how much power the battery has left in case it runs out halfway.