Another rechargeable option is LiFePo4 AA batteries. They are 3V but you can get them with a "connector" that acts as a dummy battery.
On Mon, Oct 4, 2021 at 4:37 PM Bill Prince <[email protected]> wrote: > The one we have is a "MAHA MH-C800S eight cell AA/AAA quick batttery > charger" > ( > https://www.ebay.com/itm/333148128470?chn=ps&norover=1&mkevt=1&mkrid=711-213727-13078-0&mkcid=2&itemid=333148128470&targetid=4580496732614416&device=c&mktype=&googleloc=&poi=&campaignid=418233788&mkgroupid=1230353745471221&rlsatarget=pla-4580496732614416&abcId=9300542&merchantid=51291&msclkid=7f2c5e3a4ba515ebf3633f612ec791fe > < > https://www.ebay.com/itm/333148128470?chn=ps&norover=1&mkevt=1&mkrid=711-213727-13078-0&mkcid=2&itemid=333148128470&targetid=4580496732614416&device=c&mktype=&googleloc=&poi=&campaignid=418233788&mkgroupid=1230353745471221&rlsatarget=pla-4580496732614416&abcId=9300542&merchantid=51291&msclkid=7f2c5e3a4ba515ebf3633f612ec791fe > >} > > Each position will take either a AA or a AAA battery, and is > individually monitored. It also has a "slow mode" where you can gently > charge them instead of quick charge. The batteries will last longer if > you don't stress them out with rapid charging. > > > bp > <part15sbs{at}gmail{dot}com> > > On 10/4/2021 1:19 PM, Nate Burke wrote: > > Is the 8 bay charger a Panasonic charger, or 3rd party? All I'm > > finding from Panasonic are the 4 port chargers. Do they make 20 or 30 > > slot chargers? > > > > On 10/4/2021 3:16 PM, Bill Prince wrote: > >> We have a smart charger with slots for 8 batteries, and each battery > >> is charged individually. It knows when they are charged, and has an > >> indicator that says so. > >> > >> > >> bp > >> <part15sbs{at}gmail{dot}com> > >> > >> On 10/4/2021 1:13 PM, Nate Burke wrote: > >>> Is there a limit to how long they can stay in the charger? Like > >>> could we put them in the charger whenever they're not in use so > >>> they'll always be full? > >>> > >>> On 10/4/2021 3:04 PM, Bill Prince wrote: > >>>> We have a half dozen or so trail cams for spotting wildlife around > >>>> our property. They all take between 8 and 12 AA batteries. > >>>> > >>>> Regular alkaline AA batteries do OK, but have to be tossed after 3 > >>>> months or so. > >>>> > >>>> So we have been using NiMH batteries, which are rechargable. They > >>>> last as long or longer than the alkaline and can be recharged > >>>> hundreds of times. > >>>> > >>>> We have learned a few things about the NiMH vs alkaline. > >>>> > >>>> First, and possibly the most important is that NiMH run at a > >>>> nominal 1.2 volts, while alkaline run at a nominal 1.5 volts. Some > >>>> devices just won't tolerate the lower voltage, so you have to test > >>>> them to see how they work. In the favor of NiMH batteries, the > >>>> voltage holds longer and does not go below 1.2 volts until they are > >>>> about done. Alkaline OTOH will continuously degrade from their > >>>> nominal voltage. > >>>> > >>>> Second, don't get just any NiMH batteries, get Panasonic Eneloop > >>>> Pro (black). They last the longest, and will hold a charge longer > >>>> while sitting on the shelf. > >>>> > >>>> Finally, the NiMH "AA" batteries are a tiny bit larger diameter > >>>> than alkaline. Most devices are OK, but we have a few where > >>>> shoe-horning the NiMH into the same space is a bit of a challenge. > >>>> > >>>> Also, as another alternative, you might look at Lithium > >>>> (non-rechargable) batteries. They are the same size and voltage as > >>>> alkaline, but will last 5-10 times longer. They are also the most > >>>> expensive. > >>>> > >>>> > >>>> bp > >>>> <part15sbs{at}gmail{dot}com> > >>>> > >>>> On 10/4/2021 12:47 PM, Nate Burke wrote: > >>>>> At Church we use a some wireless microphones, they all use 2 AA > >>>>> batteries. There is a battery indicator on the units, but > >>>>> Invariably, they will start to alarm in the middle of using them. > >>>>> I'm pretty sure the indicator is logarithmic, like my gas gauge, > >>>>> so it will spend %75 of the time reporting full, and then quickly > >>>>> fail after that. So I'm thinking about just mandating that all > >>>>> batteries are replaced at the beginning of each use. We're not > >>>>> talking about a ton, ~20 batteries per week. > >>>>> > >>>>> How good are Rechargeable AA batteries, It's been years since I've > >>>>> last used them, would they be worth looking into? Does anybody > >>>>> take half used alkaline batteries and do anything with them other > >>>>> than throwing them out? > >>>>> > >>>> > >>> > >>> > >> > > > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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