Where do people usually buy reliable car batteries in Dubai?

[simregistration]

I've been trying to sort out my car battery situation for a while now, and honestly it's more confusing than I expected. My old battery didn't fail completely but it started showing weak starts in the morning, especially when the car sat overnight. I don't want to wait until I get stuck somewhere, so I've started checking options early this time instead of rushing at the last minute like I usually do. The problem is there are so many places selling batteries that it's hard to know which one is actually reliable and which one is just selling whatever stock they have. Some people say you should only go for official suppliers because at least you know the battery is genuine and comes with proper warranty support. While reading through different suggestions, I came across Varta Battery Supplier in Dubai and it made me wonder if going directly to a supplier really makes a noticeable difference in terms of battery life and after-sales service. I've also noticed some shops include installation and testing while others just sell the battery and leave it up to you, which makes me a bit unsure about what's actually the better choice. My daily driving is quite regular, so I need something that won't suddenly fail in extreme heat or heavy traffic. If anyone here has actually compared supplier vs normal shop purchases in Dubai, I'd really like to hear what your experience was and whether it actually made a difference in the long run.