What’s the wear level of your battery?

That's the question RodFather is asking on his blog.

It’s not much of a secret for Q1 owners that the battery wear rate of the lithium batteries are horrible.  It’s expected that lithium batteries wear down over time due to factors of age and heat.  With the Q1, the rate at which they deteriorate is much higher.  I don’t know much about battery technology so I don’t know if it’s the circuitry in the Q1 or the batteries itself that causes the problem.

I have a wearing of 19% on my 3 cells 11 month old Q1 battery.I use the battery around 30 minutes every day the rest of the time the Oh is used connected to power. On weekends I run on battery more time but never the battery level reach less than 40%.

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A whole month of battery life!

Can you imagine that? This power bank reported by AVING USA can do that for you.

Samsung SDI is showcasing its portable power supply ‘Fuel Cell’ at the company’s showroom ‘Sdium’, which enables you to use your notebook pc up to for a month.

This is why I always say that it's more important for me performance than battery life because you always can find a solution for your power needs but you can't do the same with a bad performance. Price and availability still known.

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About Battery Life

I have been lately reading this new blog about Tablet PC, specifically about the Toshiba M400 which is advertised by Toshiba with a battery life of more than 4 hours when the real life test shows a little more than 2 hours.

One of the funniest thing I find is that the "specialized" press has criticized a big time the battery life on UMPCs. But they have forgot that at this moment you wont find out there probably more than 2 or 3 Notebooks, subnotebooks or Tablet with a battery life higher than 3 hours.

It's a fact. We just are not that good with batteries yet. There are many things that need to be changed to get a battery life higher than 4 hours and all these things that need to be changed if you put them together in a Ideal machine, it will cost you a fortune at this moment.

are we going to see 4 hours, 5 hours or more in our mobile machines? Yes, but not this year. We still far away from having this technology cheap enough to have it as a common thing in all mobile technology.

How to use correctly your Battery Bank

I know for fact that many battery bank owners use them incorrectly: Using the internal battery in their UMPC first and after that connecting them to the battery bank to have it charged again. By doing this you are getting less total battery life (Battery Bank + Internal Battery) in about 16% than if you connect your battery bank to your full charged UMPC and wait until it's discharged to start using the battery from your UMPC.

I asked one of my readers at todoUMPC to run two tests: One starting to use the UMPC, once it's discharged connect it to his battery bank and once the battery bank is discharged to use again the UMPC. And here is the result: 330 minutes.


After that I asked him to run another test, using the Battery Bank until it was discharged and then use the internal battery of his UMPC, this time the total battery life was 391 minutes.


As far as I know, this is the first time these tests have been done even when many including me theoretically were recommending to use the battery bank with the UMPC full charged to get more battery life from the battery bank.

PD. is no it good to have a personal translator telling about all these interesting things that are happening at todoUMPC - the biggest forum about UMPC after OrigamiProject.com? BTW, the Second Issue of todoUMPC Magazine is coming mid March with more pages and a very interesting Interview that will be posted here in English!