Warranty stickers, punch dates and how claims actually work
Understand what the warranty actually covers: manufacturing defects, which in practice means a cell failing early under normal use. It does not cover a battery murdered by the car, and distributors test returned units before honouring claims. Chronic overcharging from a faulty regulator, deep discharge because the car sat unused for two months, or a flooded battery installed in a start-stop application will all be detected and rejected. This is another reason the post-fit charging voltage check matters: it documents that the battery went into a healthy car.
Keep the paper trail simple. A digital invoice naming the battery brand, model, capacity and your vehicle registration, plus the photo of the punched sticker, is everything a claim needs. Booking through an app that keeps the job record, the vendor identity and the payment in one place, as tamam does, means the evidence assembles itself, and the same-vendor rebook option means a warranty conversation happens with the person who actually fitted the unit.