I’ve had good luck with the VW OEM Varta batteries.
I wasn’t happy with the replacement options for the old Mercury batteries. So, I stumbled upon the Varta V80H—a battery usually used in servers—and I built a charger for it. It’s the perfect match: it has good discharge characteristics, high capacity, slow self-discharge, and it's rechargeable!
On my A9+ I turned my display down to 60hz had it since February battery life is excellent.
I get all my batteries in Screwfix. They do Varta brand which are exceptionally good for the price.
I got ten years on a Varta in my MB 212. When I changed it out I was really surprised it was the original w/97k on it.
Varta is pretty good
Just replaced this battery in my Leon. Got the Bosch 096 agm for £127 from Tayna batteries on eBay.
The original Varta battery lasted 11 years and still worked but began showing signs it needed replacing.
Happened to me too, the first day of usage. Weirdly, when i restarted, it dropped from 100 to 92. Then another time from 80 something to 60 something. It was probably some battery reading issue, cuz the overall runtime of 10hrs of screentime was not affected.
I recently got one, somehow it feels less. Idk if it’s because of the software but it seems to be draining even while being idle. Which is weird. People are quoting 7-9 hrs of sot and i feel like am not getting anywhere near that.
I've had the Tab S9 since launch and the battery has always been naff. It's a great tablet let down by lousy battery life.
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