Chamrider Polly 48V28.8AH Ebike Battery Downtube Electric Battery BMS Original 21700 Lithium Ion Battery 1500W LG Grade A Cells

Polly C Battery

Polly 7/9 Battery

Polly A/B Battery

This down tube-style electric bike battery boasts ample capacity and outstanding range performance. Featuring high-quality battery cells, it delivers stable and prolonged discharge output, significantly extending the battery's service life. Equipped with a multi-layer safety protection system, it comprehensively prevents risks such as overcharging, over-discharging, and short circuits. With an integrated design that fits seamlessly into the down tube frame, it offers convenient installation and removal, and is compatible with multiple vehicle models. It serves as the ideal original replacement or backup power solution for electric bikes.