Busch&Muller USB E-Werk battery

Power your rides with the BUSCH & MULLER USB-Werk. This dynamo-powered charger converts your bike´s energy into a stable 5V USB output, keeping your devices like smartphones and GPS units charged. Its integrated buffer battery ensures uninterrupted power, even during stops or slow climbs, protecting your electronics. Enjoy eco-friendly, ride-powered charging for all your cycling adventures. Universal compatibility and durable design make it an essential accessory