Replacement battery 36 V 11 Ah (400 Wh) for Electric Bike Battery for Bosch Power Pack Classic+ 300 and 400 (R400) by GTE : Amazon.de: Sports & Outdoors
Product history - Bosch eBike Systems
E-Bike Akku 612Wh kompatibel Bosch Classic Line 288Wh 1270020501