This item is now discontinued and replaced by the Bosch Powerpack 500 battery. Dimensions are exactly the same between both versions without any modifications or adjustments required. Upgrade your e-bike with the Bosch PowerPack 400 Rear Rack Battery. Designed for those who seek reliability and efficiency, this rear rack-mounted lithium-ion battery is perfect for extended rides, providing the energy you need for every journey. Convenient and User-Friendly Easy Installation and Removal: Designed for hassle-free handling, making your e-bike experience more enjoyable. Efficient Charging: Achieves 50% charge in just 1.5 hours and a full charge in 3.5 hours with the standard 4A charger. Lightweight Design: Offers a balance of power and portability, enhancing your ride without adding excessive weight. Optimized for Stability The rear rack position of the PowerPack 400 not only provides easy access but also contributes to better bike stability. This strategic placement ensures a smoother, more balanced ride, especially beneficial for longer trips. Technical Specifications Battery Type: Lithium-ion Charge Times: 50% in 1.5 hours, 100% in 3.5 hours (Standard Charger 4A) Placement: Rear rack-mounted for optimal balance and accessibility on Bosch System 2 ebikes. Certification: Certified to UL 2271 Your Ideal E-Bike Upgrade The Bosch PowerPack 400 Rear Rack Battery is more than just a power source; it's an integral part of your e-bike that promises enhanced performance and reliability. Its convenient placement and efficient energy use make it a must-have for any e-bike enthusiast. Note: Rack and mounting hardware sold separately.