Power your Varstrom Shark Battery—the compact, high-capacity e-bike pack that gives you long-range confidence for daily commutes and weekend adventures.
Compatibility and power: You can choose from 17.5Ah–25Ah variants (including 21Ah and 25Ah) that support 500W, 750W, and 1000W motors, with a max continuous discharge of 30A and a 54.6V 4A charger using an XT60 female port.
Safety first: A 30A BMS offers overcharge, over-discharge, over-current, short-circuit and high-temperature protections, giving you secure mounting with a built-in holder.
Installation and convenience: You can mount it on most down tubes with water bottle screw holes, easy to remove for charging, includes a battery lock, USB port for your devices, and clear power indicators.
Durability and what's included: QC-tested for appearance and function; rated for 1000+ charge cycles. Includes the battery with holder base, charger, XT60 cable, and user manual.
