Keith (M) Posted August 3, 2011 Author Share #21 Posted August 3, 2011 Advertisement (gone after registration) It's been a while since I owned an M7 but I seem to remember the batteries lasting for much longer than 10 rolls - more like 50. Also, I thought the camera comes with branded (Duracell?) batteries. The offending batteries were indeed Duracells, as are the replacements. As per my earlier post, fingers-crossed these last longer than 10 rolls. To be on the safe side, two more pairs (belt and braces!) of Duracells are on their way to me from Amazon. Link to post Share on other sites More sharing options...
Advertisement Posted August 3, 2011 Posted August 3, 2011 Hi Keith (M), Take a look here M7 & Battery Life. I'm sure you'll find what you were looking for!
andybarton Posted August 3, 2011 Share #22 Posted August 3, 2011 It's been a while since I owned an M7 but I seem to remember the batteries lasting for much longer than 10 rolls - more like 50. Also, I thought the camera comes with branded (Duracell?) batteries. My MP came with a double height Duracell. I'm not sure if Leica in Germany or the dealer put it there - I can't recall which language was on the packaging. I always buy the double height batteries if I can find them. They are much easier to install. Link to post Share on other sites More sharing options...
fursan Posted August 3, 2011 Share #23 Posted August 3, 2011 Keith, I want my batteries to go dead!! In the end I threw them and put a new pair in. They last and last and last!. I shoot about 2 rolls a month. Do you shoot color or bw? Good luck. Link to post Share on other sites More sharing options...
masjah Posted August 3, 2011 Share #24 Posted August 3, 2011 I have no experience at all with an M7, but I have had experience of the batteries supplied out of the box with a different new Leica camera not lasting very long (and they were labelled Duracell too). Replacements were absolutely fine. Link to post Share on other sites More sharing options...
akiralx Posted August 4, 2011 Share #25 Posted August 4, 2011 To be on the safe side, two more pairs (belt and braces!) of Duracells are on their way to me from Amazon. Not from a marketplace seller, I trust - as they and eBay are the prime source of counterfeit batteries... Link to post Share on other sites More sharing options...
piblondin Posted August 4, 2011 Share #26 Posted August 4, 2011 I had an issue with batteries running out after about five rolls. Turned out to be a problem with the circuit board, which Leica just fixed. I haven't had a chance to test the camera since the repair, but I'm hoping I only have to replace the batteries once a year or so. Link to post Share on other sites More sharing options...
christer Posted August 4, 2011 Share #27 Posted August 4, 2011 Advertisement (gone after registration) I never buy batteries in shops, prices are exorbitant. I order from specialized mail order dealers. I bought a box of ten 1/3N-s for less than shops charge for two. Duracell, with a best before year of 2019. And yes, I have had battery problems, and that was when my M7s were new. But that was almost ten years ago. A simple voltmeter with a digital display can be used to check the batteries. Do some testing to see what your meter say when the are new, and also when they don't work any more in your M7. Beffore you do some important shooting, check if you are in a safe range. Generally batteries last very long in an M7, more than one hundred films, if turned off or not does not seem to matter as long as the release button is not touched. BTW, did you know that P&G (Pampers, Ariel ....) own the Duracell brand. Link to post Share on other sites More sharing options...
wattsy Posted August 4, 2011 Share #28 Posted August 4, 2011 BTW, did you know that P&G (Pampers, Ariel ....) own the Duracell brand. I didn't but I know they make Pringles - which makes sense when you taste them. Link to post Share on other sites More sharing options...
hamey Posted August 4, 2011 Share #29 Posted August 4, 2011 I only replaced my batteries in my M7 last month after about 8 years and they were the original batteries. However it doesn't get used much compared to the R cameras as in daily use I prefer them over the M. The batteries I am trying on my R7 and M7 are a couple of Sanyo long life lithium 3v Ken. Link to post Share on other sites More sharing options...
budrichard Posted August 4, 2011 Share #30 Posted August 4, 2011 New batteries last a lot longer than 10 rolls of film in an M7. I have two M7's. In regard to batteries, I NEVER purchase batteries in a 'Bricks & Mortar' store of any kind. You simply don't know the condition of storage and if the batteries are fresh. I use an on-line source that has a good turnover. I only use Duracells also. Measuring the voltage will only tell you if the batteries are still functional but will not tell you how much energy is left in the batteries but it is a point to start from. Do you keep your finger on the shutter depressed while shooting. If your finger is OFF the shutter, the M7 goes into 'Sleep' mode until partial actuation of the shutter, saving energy or your batteries. I ALWAYS suspect my batteries first rather than the equipment.-Dick Link to post Share on other sites More sharing options...
andybarton Posted August 4, 2011 Share #31 Posted August 4, 2011 I always buy from a brick and mortar shop. Duracells have a Best Before date on them. If that's 4 or 5 years away, I know that they are going to be fresh. If I were to buy on-line, I would have no idea when that expiry date might be. Link to post Share on other sites More sharing options...
bill Posted August 4, 2011 Share #32 Posted August 4, 2011 How can you tell the turnover of an internet dealer? Regards, Bill Link to post Share on other sites More sharing options...
aesop Posted August 4, 2011 Share #33 Posted August 4, 2011 ..."X rolls of film per week/month/year" is, at best, a guideline amongst other guidelines. As someone said earlier, usage varies between different users. Throw in the battery's shelf life, the current stage in the battery's life, users' metering habits and other factors such as temperature, then you begin to understand why a battery not purchased fresh by yourself may not perform as expected. My advice - go to a reputable "bricks and mortar" dealer/shop, buy a reputable brand, and ensure the battery is as fresh as possible (check dates on packaging). Good luck. Link to post Share on other sites More sharing options...
aesop Posted August 4, 2011 Share #34 Posted August 4, 2011 How can you tell the turnover of an internet dealer? Regards, Bill ...you cannot, for a plethora of (mostly commercial) reasons, Bill. This specific issue has arisen in my dealings with online sellers of items with expiry or "best before" dates. I now take the view that unless you can confirm the date/s prior to purchase, it simply isn't worth the trouble. Link to post Share on other sites More sharing options...
bill Posted August 4, 2011 Share #35 Posted August 4, 2011 That was my point. Spot-on. In a bricks and mortar store I can form my own opinions of their general volume of business by the frequency with which their window display is updated, the level of dust on the secondhand stock, the number of flies in the window... any number of indicators. I can also eyeball the products before purchase and reject them before money changes hands. Any old monkey can set up a website, claim to be the best thing since dried llama dung and start selling short-dated stock. Regards, Bill Regards, Bill Link to post Share on other sites More sharing options...
christer Posted August 4, 2011 Share #36 Posted August 4, 2011 best-before-date: email question before you buy. Link to post Share on other sites More sharing options...
tgray Posted August 4, 2011 Share #37 Posted August 4, 2011 I buy my batteries from batteryjunction.com. Pretty good price and the dates are fine, at least for the batteries I buy - Duracell DL 1/3N's and CR2's. A lot cheaper than buying in a store. Link to post Share on other sites More sharing options...
hamey Posted August 5, 2011 Share #38 Posted August 5, 2011 The two packets of Sanyo batteries that I bought have a use by date of 2019 and 2020. Both packets were bought from a proper camera shop. I have never bought anything of the internet, as I like to inspect the product before I buy, and if it cost more so be it. Ken. Link to post Share on other sites More sharing options...
budrichard Posted August 5, 2011 Share #39 Posted August 5, 2011 This source has high turnover and the batteries have always been fresh. Shipping is fast. I have been purchasing Duracells of all sizes for years from this source. theEssentials.com - Batteries & Flashlights It's the 21st century, if your stuck in the 20th century, then OK. I purchase most of what I buy on-line and LOT from Amazon with one-click shopping. Have been doing so for over a decade. Usually I can find a source where shipping is free. Saves time and money for gas over driving to a store and finding that they don't have what you want in stock even if you do call ahead to confirm stock. Store workers just can't be bothered to provide accurate responses. Stuff comes USPS to my PO Box or usually UPS or FedEx Ground to my residence. No problems and my cameras, flashes and whatever that use batteries always work or the problem is not a battery.-Dick Link to post Share on other sites More sharing options...
Xmas Posted August 5, 2011 Share #40 Posted August 5, 2011 always work or the problem is not a battery. And you have never had a battery leak either... Noel Link to post Share on other sites More sharing options...
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