If you are buying 20+ AAs a week and/or looking at buying multiple sets of AA Eneloop Pros and charging stations, you might want to look at rechargeable mics with something like an 18650 built in instead.
On Mon, Oct 4, 2021 at 3:57 PM Robert Bain via AF <[email protected]> wrote: > I am have trouble post to the group, > I looking for anyone with experience in the Unlicensed White Space Device > Operations. Please contact me > Thank you > > > > Robert Bain > 10102 224th Street East > Unit 1090 > Graham,Washington 98338 > Cell 253-219-2890 > [email protected] > > > On Monday, October 4, 2021, 01:38:01 PM PDT, 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 > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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