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December 25, 2013

Comments

Gary

Another thing that's important when using rechargeable NiMH batteries is using a high quality charger that charges cells individually, not in pairs. Unfortunately the Sanyo charger sold by Costco seems to charge cells in pairs. This will not get the most out of each battery. Currently I use a Maha MC-H9000 charger, but there are many others available that will charge cells individually.

Angelo

Gary: With my Sony camera, I used the rechargeable batteries and charger that came with the camera, by Sony. On a full charge, those batteries wouldn't even come close to taking as many flash photos as Duracells or Energizers. And if I didn't use the camera for a couple weeks, I'd need to take the batteries out and recharge them before using. I've tried all sorts of rechargeable batteries---at different price points. We take a lot of photos at work and our company even let us expense "the best" rechargeables and we basically gave up on them.

Gary

I guess we'll have to agree to disagree, Angelo.

Don

Radio Jay Allen out with his review of the Tecsun PL-880. In case no one has seen it yet.

http://radiojayallen.com/tecsun-pl-880-amfmswssb-portable-radio/

Vimal

I have Sony BCG34HRE4KN Cycle Energy Quick with Refresh Charger too,that charges cells individually, not in pairs.

Stephen

I too strongly recommend using GOOD quality low-discharge NiMH batteries. I currently have about 20 or so Sanyo Eneloops, some of which are nearly 8 years old. In spite of extensive usage, possibly several hundred to a thousand cycles if not more, they're all still working quite well, so that I feel no need to replace them yet.
Also a good quality charger is imperative. I have a Maha MH-C808M, and although I wish I could have found a better, more versatile charger, my budget was limited. (I was looking at the MH-C9000, but I wanted to be able to charge at least 8 cells at a time, and charge C's and D's, so I had to give up a few things that the 9000 has.)

Bob1942

These Chinese made Grundigs are slowly but surely giving a once great manufacturer a bad name.

I was told once by an engineer Alkaline batteries are only good for equipment that has a high drain &n not worth the extra cost in low drain equip regular batteries are fine.
I've had Duracells leak

Angelo

Is there anything in rechargables that can leak? And Gary----I am not disagreeing with you----I believe that you had a good experience with the rechargables, only saying that I haven't had success with my devices/my type of usage. Depending on the cost involved----I might try something different/better as you have suggested----but it's too bad the charger and batteries that Sony supplied with their own expensive camera were inadequate. The other ones I tried were from Radio Shack----not the cheapest---supposedly the best they sold at the time (a few years ago) and those didn't work either.

Angelo

...also, when I say "didn't work" I don't mean that literally the batteries don't power my radios. In fact, even the old/cheap chargers and batteries I have still work. I can charge them and get a couple hours use from a radio----which is nice. My issue has been that they drain over a week or two when the device isn't in use (and there's no parasitic drain that I'm aware of----because these are old radios without digital displays). Then I have to recharge the batteries right when I want to use the radio.

StarHalo

- Low Self Discharge/LSD technology introduced in NiMH cells a few years ago gives the battery the ability to hold ~90% of its charge over one year; this is a significant advance in battery manufacturing and is not comparable to the chemistry that came before it. Sanyo Eneloops and any rechargeable battery advertised as "pre-charged" (because a charge lasts long enough that they can just send them from the factory that way and leave them on store shelves) has this feature.

- The higher-drain the application, the better NiMH will perform over alkalines. Alkalines can outlast NiMHs in very low drain devices (small analog radio, remote control) however the closer you run an alkaline to empty, the greater the chance that it will swell or leak - you only get the extra runtime with the gamble that your device could be damaged by the battery. And in no instance is the alkaline cheaper over time than the NiMH; the ability to charge a cell for cents at a time hundreds of times over makes any non-rechargeable option notably more expensive.

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