E-Bike Battery

E-Bike Batteries at Swinnerton CyclesExtend your range and keep your electric bike running at its best with our e-bike batteries collection at Swinnerton Cycles. Battery capacity is one of the most important factors in e-bike performance — determining how far you can ride on a single charge. We stock batteries...

E-Bike Batteries at Swinnerton Cycles

Extend your range and keep your electric bike running at its best with our e-bike batteries collection at Swinnerton Cycles. Battery capacity is one of the most important factors in e-bike performance — determining how far you can ride on a single charge. We stock batteries for all major e-bike systems including Shimano STEPS, MAHLE, Bosch, and others, covering a range of capacities from compact range extenders to high-capacity integrated batteries. Whether you're replacing a worn battery, adding a second battery for longer rides, or upgrading to a higher capacity unit, our e-bike battery range has the right solution. Browse our full E-Bike Parts collection and explore Drive Units and E-Bike Spares.

Popular E-Bike Batteries

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  • SRAM Range Extender 250Wh battery for Eagle e-bike system, showing the compact black component with branding and connectors.

    SRAM Range Extender 250Wh Battery for Eagle Powertrain E-Bike System

    The SRAM Range Extender 250Wh is an essential addition for e-bike riders seeking to significantly extend their adventure time. Compatible with both compact and full-size main batteries, this extender seamlessly integrates with the Eagle Powertrain mounting system, offering up to 40% more riding range....
    £429.69
    £449.00
    £429.69
    Save £19.31
  • Wisper 700Wh Battery For Traditional Bikes Only BatteryWisper 700Wh Battery For Traditional Bikes Only Battery | Swinnerton Cycles

    Wisper 700Wh Battery for Traditional Bikes with Disc Brake Compatibility 2023

    The Wisper 700Wh Battery is the perfect power solution designed exclusively for traditional bikes, enhancing your e-bike experience with reliable and consistent energy delivery. Crafted by Wisper, a reputable name in the cycling world, this battery integrates seamlessly with traditional bike frames, ensuring smooth...
    £850.00
    £850.00
  • Wisper 575Wh Battery For Traditional Bikes Only BatteryWisper 575Wh Battery For Traditional Bikes Only Battery | Swinnerton Cycles

    Wisper 575Wh Battery for Traditional Bikes with Disc Brake System 2023 Model

    The Wisper 575Wh Battery is expertly crafted for traditional bikes, delivering dependable power that enhances your e-bike experience. As a 2023 innovation, it incorporates advanced technology to provide consistent energy output and long-lasting performance. With a substantial 575Wh capacity, this battery ensures you can...
    £500.00
    £500.00
  • Wisper 375Wh Battery For Traditional Bikes Only BatteryWisper 375Wh Battery For Traditional Bikes Only Battery | Swinnerton Cycles

    Wisper 375Wh Battery for Traditional Bikes Compatible with Disc Brakes & E-Bike Systems

    The Wisper 375Wh Battery for Traditional Bikes is a premium power solution designed to elevate your cycling experience. Crafted by Wisper, a respected name in the e-bike industry, this battery delivers reliable and consistent energy with a capacity of 375 watt-hours. It is specifically...
    £300.00
    £300.00
  • Shimano STEPS BT-EN805-L 504Wh black internal down tube e-bike battery showing the sleek, compact design and branding.Shimano STEPS BT-EN805-L 504Wh black internal down tube e-bike battery showing the sleek design and branding.

    Shimano STEPS BT-EN805-L 504Wh Internal Down Tube Battery for E-Bikes Black

    The Shimano STEPS BT-EN805-L battery is a high-performance power source designed specifically for internal down tube mounting on e-bikes. With a robust 504Wh capacity, it offers extended riding range, often surpassing 100 km in normal mode, making it ideal for long-distance cycling adventures. Its...
    £749.07
    £759.99
    £749.07
    Save £10.92
Recently Viewed Products

Extend your range and keep your electric bike on the road with our e-bike batteries collection at Swinnerton Cycles. We stock replacement and upgrade batteries for all major e-bike systems including Bosch, Shimano STEPS, Fazua, and Mahle. Battery capacity, weight, and compatibility are all key considerations — and we stock options to suit a wide range of e-bike platforms. Browse our full E-Bike Parts collection and explore Drive Units.

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