Fitment notice exclusive rs500 compatibility this replacement lithium-ion battery pack is engineered exclusively for the cunfon rs500 electric scooter. Designed to seamlessly match the internal deck space, mounting compartment, and original wiring harness of your rs500. Restore your original riding range & performance if your rs500 is experiencing reduced mileage, sudden power drops, or longer charging times, this direct-replacement battery pack restores full factory range, responsive acceleration, and dependable power output. Key features plug-and-play installation: pre-wired with original-style power and communication connections for a smooth, straightforward replacement process. Smart bms protection system: features an advanced smart battery management system that continuously monitors internal cellular health, offering automatic protection against overcharging, over-discharging, short circuits, and thermal overheating. Custom-fit enclosure: designed specifically for the rs500 under-deck battery bay, securing the battery tightly to withstand road vibrations and daily riding conditions. High-quality lithium cells: constructed with high-density rechargeable cells engineered for consistent voltage output, low self-discharge rates, and extended cycle life. Specifications compatible model cunfon rs500 electric scooter only battery type rechargeable lithium-ion battery pack connectors original matching power & communication harnesses mounting location under-deck chassis batt...