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Batteries
E-Bike Batteries — Powering Your Electric Bike
The battery is at the heart of every electric-assist bike: it determines your range and available power, and largely shapes the enjoyment of every ride. Whether you need to replace your original battery, get a second one for long rides, or simply find the right charger for your system, this category has everything you need to power your e-bike with confidence.
At Purebike, our battery selection is divided into three complementary subcategories: replacement batteries, battery chargers, and battery extenders (or range extenders). Available batteries come in a range of capacities—from 72 Wh for kids' models like the Mondraker Grommy up to 800 Wh with the Bosch PowerTube—to meet every need, from urban commuting to long mountain rides. Our chargers provide reliable, safe charging and are compatible with different generations of Bosch motors (GEN 2, 3, 4, and Smart System). Battery extenders from Bosch (PowerMore), Orbea (RS and X35), and Rocky Mountain (Overtime Pack) offer a convenient way to significantly increase your bike's range without changing its frame, connecting directly to the existing system via a dedicated cable available in several lengths.
All our products come from well-known electric bike brands—Bosch, Mondraker, Orbea, and Rocky Mountain—ensuring optimal compatibility and proven build quality. Each product listing includes detailed compatibility information (motor type, horizontal or vertical position, system generation) to help you choose the right product for your setup. If you have any questions, the Purebike team is here to help you find the battery, charger, or extender compatible with your electric bike.
Also explore our complete E-Bikes!
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