I am have trouble post to the group, I looking for anyone with experience in the Unlicensed White Space Device Operations. Please contact meThank 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
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