What do manufacturers do to make cheap batteries? I got some cheap cell phone batteries that came from Hong Kong and were made in China. After very limited use, the batteries failed. I can't imagine how they could have been built such that they'd had such a limited life. Chemistry is chemistry is...
profit margin is profit margin,
martin
... highly dependant on the processes used in the manufacture, purity, material preparation, etc ...
-- Nobby
Try weighing one and then wweighing a name-brand battery.
-- Guy Macon http://www.guymacon.com/
I can assure you then when it comes to batteries supplied in the box with a consumer products like cell phones, the item was selected as the cheapest one that met the spec (which does not include a longevity test). The brand of the cell phone manafacturer is then stamped on afterwards to make this cheapest of the cheap battery the branded item.
They cost under 2 dollars each, and when you need to buy a new one they expect you to pay 30-40 dollars for it. I don't know about the US, but in Europe that's more than the subsidized cost of the phone. Go figure.
And finally, you can't use the country that I am currently posting from to establish where I learnt the above.
tim
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