2016-2017 AUDI A3 E-TRON HATCHBACK LITHIUM ION HYBRID BATTERY PACK 5Q0915590M | eBay
AZ Car Battery Solutions - Varta Battery Expert - Audi A3 8V owner upgraded to the 70Ah AGM from his original 62Ah EFB Battery. Higher Spec, Higher Power. Start Stop and 24/7
How to Remove, Install and Adapt the New Battery in Audi A3 | VW | | DIY | COMPLETE GUIDE - YouTube