Varta battery refused to die even after 5years mannn that’s a wow ..to add on I don’t use my car often i use fireblade as my daily commute for the last two years..
My XM3s went from a good 6 hour run time down to 2.5 hours in about 20 months. The last month alone has seen 30 mins wiped off them.
I went with the Varta A4 models bought from a Czech supplier called [Battex.cz](https://Battex.cz).
Varta are a pretty decent brand of battery (although their consumer AAs suck), would not expect it from them.
I’m on my 3rd 4Runner, they all came factory with the Panasonic battery. That damn thing wouldn’t quit till at least year 8.
fits perfectly in a NB
I just replaced my dead Zenipower OEM cells with Varta 1254 A3. So far the battery life is exactly as specified by Sony. We'll see if the Vartas can handle the charging regime.
Panasonic Eneloops for me all the way. Bit of an initial investment, but they work so well they're all I buy now for anything that needs batteries. They even kept my Pix running for almost 10 days!
Adding my experience here for others that may stumble upon the thread. I was having really bad+inconsistent battery life with my left and then right buds, where they would die in less than hour. I replaced the both earbuds original batteries with the Varta CP1254 A3 battery and also did a hard reset.
It took a little over an hour to do and finally the battery life is decent again. I was able to run them for a good 3 hours on noise canceling with max quality settings and it's a night-and-day difference.
I tried my spare key, and the first time I used it, I got a weak battery warning. I never had that warning on the key I regularly use. I replaced both batteries, and still had the problem.
Got a Varta battery and it only lasted 1.5 years. My car is parked under the sun on weekdays but was expecting more from the battery
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