![BOSCH - Bike accessory PowerPack 400 Li-ion BOSCH 36V battery - PowerPack400G - Black : Amazon.co.uk: Sports & Outdoors BOSCH - Bike accessory PowerPack 400 Li-ion BOSCH 36V battery - PowerPack400G - Black : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41RjMQue16S._AC_SL1500_.jpg)
BOSCH - Bike accessory PowerPack 400 Li-ion BOSCH 36V battery - PowerPack400G - Black : Amazon.co.uk: Sports & Outdoors
![E-Bike Power Pack 36V 17Ah 1.270.020.503, 1 270 020 503, 1270020503 - Akku und Batterien Online-Shop auch für Ihr Motorrad, E-Bike E-Bike Power Pack 36V 17Ah 1.270.020.503, 1 270 020 503, 1270020503 - Akku und Batterien Online-Shop auch für Ihr Motorrad, E-Bike](https://www.accuswiss.ch/images/product_images/popup_images/20259_0.jpg)
E-Bike Power Pack 36V 17Ah 1.270.020.503, 1 270 020 503, 1270020503 - Akku und Batterien Online-Shop auch für Ihr Motorrad, E-Bike
![503 Error,how can i fix this? The battery works just fine,and for a moment,the battery would work after 25 km/h,i was with 30 km/h and the battery was working,i didnt upgraded the 503 Error,how can i fix this? The battery works just fine,and for a moment,the battery would work after 25 km/h,i was with 30 km/h and the battery was working,i didnt upgraded the](https://i.redd.it/j87e8pl0bx511.jpg)
503 Error,how can i fix this? The battery works just fine,and for a moment,the battery would work after 25 km/h,i was with 30 km/h and the battery was working,i didnt upgraded the
![E-Bike Power Pack 36V 17Ah 1.270.020.503, 1 270 020 503, 1270020503 - Akku und Batterien Online-Shop auch für Ihr Motorrad, E-Bike E-Bike Power Pack 36V 17Ah 1.270.020.503, 1 270 020 503, 1270020503 - Akku und Batterien Online-Shop auch für Ihr Motorrad, E-Bike](https://www.accuswiss.ch/images/product_images/popup_images/20259_1.jpg)