orb3000 · Apr 18, 2010 at 01:51 pm

Battery Capacity Claims Research

Member d0ugie has done extensive research testing batteries of Rhodium and Nexus one devices to help members to choose the best battery replacement. His updated cab provides in depth information regarding charge and other values.

Originally posted by d0ugie

We all want better battery life, no question, more than processor speed (some of us even underclock), resolution, 3D drivers; pretty much everything takes second place in our hearts to battery life. In response to that demand there are a lot of companies out there selling batteries for our phones either at the same mAh rating of the OEM (the one that came with the phone), a higher mAh rating but the battery’s the same dimensions as the OEM and does not require a deeper cover and batteries that are both larger in capacity and physical size — or so they allege.

Usually these batteries are cheaper than the OEM’s, mAh for mAh at least. By the way, mAh ratings, or milliamp hours, think of it in terms of the size of a gas tank you installed in your car. The higher the figure, the longer you can use your phone.

There are battery threads all over XDA but only with vague data so I invested in equipment to rate the batteries myself, under the guidance of electrogeniuses as you can read in this thread, in order to tell you what to expect in addition to giving you figures such as how many amp hours you get on the dollar as maybe a cheap battery with an exaggerated or oddly defined rating is worth getting over an expensive and better one if you’re on a budget.

Not counting all the man hours that Telek, amit77 and I have put into coming up with the most reliable way to produce data, so far I’ve spent over $200 on different equipment to get to where we are now. By the way, OEM = made by the people who made the battery that came with your phone. I’m not asking you to donate yet or reimburse me for my troubles, rather I’d like you, the next time you buy a battery I haven’t already tested, to mail it to me first so I can run a couple tests after which I will FedEx it to you at my expense. If that interests you, PM me.

If you are a battery manufacturer or reseller and you stand by your claims and trust me to run legitimate tests on it that are consistent with every other test I publish in terms of procedure, PM me or post publicly.

For more information continue on to the thread.


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