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Old Nov 04, 2012, 11:20 AM
CornelP is offline
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Bucharest, RO
Joined May 2009
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Any cheap multimeter will be more accurate than a 3$ battery checker (unless the multimeter is also 3$). I compared different checkers I bought over the years and the only one I found to be very close to a good quality multimeter is this one:
http://www.blackhorselipo.de/messger...ml#prettyPhoto

By the way, the cheap checker is correct, as it has only one decimal. It will therefore round all the values up to 4.2V. Even the 4.15 could be a 4.152 which rounds at 4.16 and to 4.2.
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