Maximize your Magnum e-bike experience with this premium 48V 17.5Ah battery, perfect as either a replacement for worn batteries or as a spare for extended adventures. Engineered specifically for Pathfinder 500, Pathfinder T, Cosmo 2.0, and Cosmo 2.0 T models, this high-capacity battery ensures you&';ll never be limited by range or battery life. Key Features: - Dual Purpose - Functions as replacement battery or spare for extended range capability - High Capacity - 48V 17.5Ah (840Wh) provides maximum power for longer rides - Advanced Chemistry - Lithium Nickel Cobalt Manganese (Li-NCM) for superior performance and longevity - Perfect Compatibility - Designed specifically for Pathfinder 500/T and Cosmo 2.0/2.0T models - Range Extension - Carry as spare to effectively double your riding distance - Reliable Power - Consistent voltage delivery ensures optimal motor performance throughout discharge cycle - Long Lifespan - Premium battery cells provide hundreds of charge cycles for years of reliable service - Easy Swapping - Quick-change design allows for seamless battery switches during rides Whether you&';re replacing a worn battery, planning epic long-distance tours, or simply want the confidence of backup power for daily commuting, this versatile battery solution keeps your Magnum e-bike ready for any adventure.