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| p.2 #4 · Canon LP-E6 Li-Ion Battery for Canon 5D M2/3, 6D, 7D, & 60D |
Many companies, like Canon, have their batteries manufactured in China, a country that dominates in the manufacture and sale of lithium batteries. The lithium battery market in China was worth about $6 billion last year.
And there are many Chinese companies making camera, notebook, cell phone and PDA batteries for Canon, Sony, Nikon etc.
While the battery you buy may hold a charge and work well - the question is whether the one you buy, meets Canon's manufacturing standards and tolerances.
There have been reports of batteries overheating, melting, exploding. Sony and Dell had their problems with Chinese made batteries for their equipment. If a company cheaps out in one step in the manufacturer of the battery, it could cause serious problems.
A few years ago quite a few computer motherboards were found to be failing prematurely because a Chinese company screwed up in the chemical composition of the CAPACITORS they were using and they were finding chemicals leaking out of the top of the capacitors, the heads of the capacitors were bulged and distorted.
Is it worth risking a problem for $40 for a spare battery? You're not saving very much.