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Showing results for tags 'M7 batteries'.
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I have twice now gone to my M7 and found the batteries flat over the last 9 months. I bought 3 sets of CR1/3N (supposedly Varta) from Amazon last year but like much stuff in France, from an Amazon seller not Amazon themselves. Not that it makes much difference now, as Amazon co-mingles directly bought and seller supplied items on their stock shelves. I have checked with a meter and there is no measurable battery drain, with the camera switched off. It has been sitting on a shelf, so not the usual problem of the power switch being knocked on in a bag and the shutter button sufficiently depressed to keep the camera active. I have seen other complaints about the CR 1/3N batteries, since they changed from silver to lithium, being under-voltage when new, at only 2.7V and therefore quickly dropping below the 2.5V the M7 needs. The other problem could be, were my batteries genuine or fakes? I have had very poor fake lithium Duracell batteries before from Amazon France (a ten pack of CR123A). I wondered therefore, given that the current draw on an M7 is very low and there is little real benefit to using lithium batteries, I might be better reverting to using 4 x SR44 Silver Oxide batteries rather than two lithium CR1/3N batteries? Wilson