2026-08-20 · 5 min read
Audi A7 Battery Malaysia — AGM VCDS
A7 4G: AGM 90–105Ah. 4K: AGM 105Ah + 48V lithium-ion mild hybrid battery (separate — do NOT confuse). VCDS registration mandatory for 12V AGM after replacement. 4K 48V battery failure: BSG belt tensioner warning and EFB mode — specialist repair. Malaysia 12V AGM installed RM 900–1,600.

A7 4G: AGM 90–105Ah. 4K: AGM 105Ah + 48V lithium-ion mild hybrid battery (separate — do NOT confuse). VCDS registration mandatory for 12V AGM after replacement. 4K 48V battery failure: BSG belt tensioner warning and EFB mode — specialist repair. Malaysia 12V AGM installed RM 900–1,600.
