Fits Folding E-Bikes: This 48V lithium ebike battery fits most folding e-bikes with motors up to 1000W. Quick plug-in socket plate installs fast, avoiding folding joints—an easy, direct replacement for old or damaged batteries Reliable Daily Commute: Equipped with 10.4 Ah (499.2 Wh) capacity, this electric bicycle battery provides reliable runtime for daily commutes and last-mile rides. Its compact, lightweight design is suitable for city riding or bike plus public transit trips Multiple Protections: Our ebike replacement battery has built-in BMS and battery base, providing overcharge, over-discharge, overcurrent, overheating, and short-circuit protection. It ensures stable voltage, reduces battery wear, and detects issues Fast Charge & Durable: Equipped with quality 18650 cells, our e bike replacement battery fully charges in about 3.7 hours with stable cycle performance