Shark / Duck-Shaped High-Power Battery

Design Type

Lithium-ion battery pack with slide rail and base fixation, tail-mounted key lock and carrying handle. Approximate dimensions: 325mm × 110mm × 90mm. Standard voltage 48V, typical capacity 14.5Ah, with variants available in 13Ah, 17.5Ah, or 21Ah. Deliverable continuous discharge current: 25A. Compatible with both 36V (10S series) and 48V (13S series) cell topologies.

Features & Protection

The housing typically includes 4‑ to 5‑step LED charge level indicators and an independent power button for easy visual check of remaining capacity. The casing is designed with airflow cooling channels and IP54 dust/water resistance, suitable for varied outdoor riding conditions.

Advantages

The shark shape closely follows the downtube slope, lowering the bike’s center of gravity and improving stability. It performs exceptionally well with 750W–1500W mid-drive motors and high-torque hub motors. Commonly found on off-road mountain bikes and high-speed pedal-assisted flat-bar road bikes.

Application Scenarios

Covers off-road riding, mid‑ to long‑distance climbing tours, and is a popular choice for electric mountain bikes and sporty e‑assist complete bike manufacturers.