Description:Power your ride with confidence. This 48V, 15Ah Lithium-Ion battery pack features premium cells, delivering outstanding range, reliability, and long-term performance. Ideal as a spare or replacement, it's built to keep you going farther. Features: Equipped with high-quality Samsung Lithium-Ion cells Delivers up to 55 miles per charge (under ideal conditions) Lightweight design: only 8.4 lbs *Charger and battery cover not included.