2017 Volvo S60 T4 battery weaker and weaker
2022 3 10 it start with about 5 sec of crank, seems the battery is giving up... This volvo has 2 battteries, one is start battery, one is called support battery. https://www.volvocars.com/en-th/support/manuals/s60/2017w17/maintenance-and-service/battery/battery---start-stop 1 is start battery, 2 is support battery, my car is in A config Important When replacing the support battery , a battery of AGM type must be fitted. When replacing the starter battery in cars with the Start/Stop function, a battery of EFB type or stronger must be installed. For automatic gear box, it require 760CCA on start battery and 170CCA on support battery. Battery Start, 12 V Support, 12 V Cold start capacity - CCA (A) 720 760 Left-hand drive car: 120 170 Right-hand drive car: 120 Size, L×W×H (mm) 278×175×190 Left-hand drive car: 150×90×106 150×90×130 Right-hand drive car: 150×90×106 Capacity (Ah) 70 Left-hand drive car: 8 10 Right-hand drive car: 8 So, th...