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My Experience with a variety of major brand laptops is no more then one year, at the max
This applies only to laptops " I cant comment on tablets or smartphones " I will be lying to you all.
Hope I helped with my comment
Whether it's a rechargeable battery inside a smartphone, tablet, or laptop, here are a set of tips to help you get the most from it.
Introduction
There's a lot of voodoo written about how to take care of the rechargeable batteries inside smartphones, tablets or notebooks. While a bit of care can make all the difference, you don't need to treat the battery like a sick pet. It's been designed and built to do a job, so most of the time you can just let it get on with that job.
But with a little bit of care, a rechargeable battery can last years. How much of a difference can taking care of the battery actually make? In my experience, the answer is "a lot." I have both a second-generation iPod nano that I bought around December 2006, and a first-generation iPod touch I picked up in 2008 that still have the original battery installed, and they both work. Eventually, the batteries will wear out, but I won't be complaining that I didn't get my money's worth out of the battery!
So, how do you get the most out of Li-Ion rechargeable batteries?...
Read more: How to get years of service from your rechargeable batteries | ZDNet
My Experience with a variety of major brand laptops is no more then one year, at the max
This applies only to laptops " I cant comment on tablets or smartphones " I will be lying to you all.
Hope I helped with my comment
I have very different experience. Last HP laptop served me very well. It is now around 10 years old and I gave it into further use :). Battery died few years ago (it holds five minutes). After 6 years battery still had almost an hour of life. Have to admit, it was on the road just for a moth per year.
My music player, Philips Gogear Vibe still plays around 15 hours of music at medium volume. I have it as long as I can remember (OK, 7 to 8 years)
My phone after 3 years still hold for 3 to 4 days, and it is not a flagship phone.
Just don't use them fully up, and don't charge them to often.
I cannot follow the article using the on page "next" keys in Edge, IE, FF, and Chrome do not progress beyond page 1 of 8, unless I append 2/, 3/, 4/ etc., to the article's first page web address.
Beyond that, laptop batteries are reasonably easy to find good replacements for:
HP Compaq Presario CQ57 Purchased August 2012, used daily as main PC, battery finally succumbed to HP "replace battery" nag in November 2015. That's 3 years, only charged with OEM mains adapter. Replaced with reasonable quality non-OEM "Lavolta" battery, now with about 12% reduction in expected battery duration after 5 months use.
Mobile phones on the other hand - Samsung - for instance are hard to find genuine or "good" replacements, there are so many counterfeit sources repackaging inferior no-name units in poorly printed labels.
I received one of these from an Amazon Marketplace reseller, which was clearly fake, and had poorer capacity than the battery I wished to replace, and I informed Amazon of my suspicions and following Amazon's communication to the seller, was sent first one replacement battery, identical even to the same serial number on the battery label, and a returns prepaid envelope.
When I replied via Amazon's feedback to seller that I did not intend to return either counterfeit battery (which they no-doubt would try to sell on), I received yet another identical battery with another returns envelope.
I had already received a full refund, and now 3 fake batteries and 2 prepaid padded envelopes to different addresses, by the way.
I was not going to risk these batteries exploding in my phone during a recharge, and they sat on a shelf for a few weeks, then I discovered a cheap battery charger on Amazon for this battery format, so for a £5, I had a means to recharge these crap batteries in relative safety, and therefore a stock of 3 charged batteries to carry round if one or more of them ran out of juice.
I guess i am lucky with batteries
iphone 4s 4 years and still ok
vaio z11 from 2008 1+ hour on battery