Question about Lectrosonics Gemini UF-1264L 64 Channel Wireless Lavalier Mic Microphone

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Can NiCad and NiMH batteries use the same recharger?

What kind of rechargable batteries should I put in the built in recharger for my Gemini UF-4264L, or does it make any difference?

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Yes, most chargers can charge both nicd and nimh batteries but put them in pairs when you do it. dont mix them up.

Posted on Jun 26, 2009

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Tao tao scooter


Rechargeable batteries, especially the Nickel-Cadmium type (NiCad) suffer from a phenomenon known as "memory". If they are routinely discharged only partially then put back on charge they will eventually "remember" this duty cycle and work only a few minutes before needing to be recharged. This can sometimes be reversed, but doing so is not always easy. The newer NiMh (Nickel Metal-Hydride) batteries have mostly overcome this problem, but shallow-cycling your rechargeable batteries is still not a good idea. It's also a possibility that your batteries are worn out and need to be replaced. Rechargeable batteries can only be recharged a certain number of times before they go bad. With top quality batteries and a proper charge/discharge cycle, you can occasionally get up to 1000 charge/discharge cycles out of them. With so much of this stuff coming from China these days it is becoming increasingly difficult to find really good rechargeable batteries.

If these are lead-acid batteries, then the symptom you describe indicates that replacement is likely needed.

Jan 26, 2014 | Toys

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The 4775 unit seems to take a charge but it does not run? It's making a light buzzing sound? I've opened the unit, checked the batteries and they seem fine?


If the unit is more than a year old, the batteries may well be dead...you would need a tester to measure the charge in the batteries. It's cheap to change them.
The shaver is easy to open:
http://johnfixesstuff.blogspot.ca/2013/02/how-to-replace-batteries-in-braun-4775.html
I used 2 garden variety Eveready 2450 mAh NiMH rechargeables from Super Store...NiMH because I had them on hand.
They're a tad short, so I inserted some folded aluminum paper on the Negative ends to take up the slack...done.
The batteries fit solidly in place.
Shaver worked immediately, and is behaving normally while plugged in to recharge (green LED steadily lit as it should be).
We'll see how the NiMH batteries do in the NiCad charger. I can always replace these batteries with NiCad's.

Feb 03, 2013 | Braun 4775 Electric Shaver

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My pro 39 scanner loses memory after unplugged for 24 hrs..Question: is there a memory storage battery inside unit..


Here's a link to your radio's manual. Make sure the rechargeable batteries are able to accept a full charge. If they have been recharged more than a couple of hundred times, they may need to be replaced.

Pay attention to which jacks your are powering the radio through. The PWR and CHG jacks perform some similar, but very different functions.

The AC or DC adapter can be connected to the CHG jack when you wish listen to the radio (and recharge at the same time) ONLY when NiCad batteries are installed (or to simply recharge the NiCad batteries with the radio off). Recharging with the radio off will allow the batteries to recharge fastest (10 - 18 hrs).

As per the manual, you should not connect a power source to the CHG jack if using anything other than NiCad batteries in the radio, as they will heat up and could explode, instead connect to the PWR jack whenever using regular, non-rechargeable batteries.

Jul 26, 2012 | Radio Communications

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What batteries do I use for fujifilm finepix a605 digital camera


Your camera takes two AA sized batteries. You can use either disposable alkaline cells (like Duracell) but the battery life will be short, or can use rechargeable NiMH cells (recommended). Absolutely do not use NiCad or Lithium rechargeables in your camera, and you also mustn't use manganese cells (sometimes called lithium manganese).

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Sep 13, 2010 | Fuji FinePix A605 Digital Camera

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Nicad battery for makita want charge


For NiCd and NiMH batteries - check the battery voltage (for a good battery it is ~ 19, V); each battery contains 15 units 1.2 V each; you can test each unit after disassembling the battery case (my have 4 screws each, and the case has bottom and top parts). First charge the batteries; second, disassemble cases and check each unit voltage (shouldn't be less than 1.2 V); then take any battery tester (for AA, AAA and other batteries and accus for home usage), attach 2 long (~10 inches) wires to tester's testing contacts, and test each 1.2V unit for current - if it is in "yellow" or "red" zone - the unit is dead and needs replacement

Feb 16, 2010 | Makita 2 Bl1830 18v Battery,dc18ra Charger...

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Flashing lights


I had the same problem. 1 of four way's can fix it. #1 Put a batt. that has a little charge in that flashing spot 1st. and see if that works. #2 put the batt. in that flashing slot first and then in the 1st slot, If that did'nt work, #3 Put Batt. in backwards for 1 sec. in and out fast. and I do say very fast, In that flashing spot. #4 buy a new one. The one that fixed mine was #1 and it stoppppped flashing, The order I put them in was - 3-1-2-4 I put in #3 batt. first, it was the one flashing And it worked, You may have a bad batt. or it's on it's way out, but try It. worked for me!

Mar 30, 2008 | Duracell AAA NiMH Battery Charger with 4...

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Camera keeps turning off


Digital cameras are very Voltage Sensitive. Using Nicad or NiMh batteries will not only , "Not" solve the problems above but will
actually aggravate the above problems for one reason.

Rechargable NiCad or NiMh batteries only produce 1.2 volts fully charged and will only give you 2.4 volts when used in pairs with this camera. This falls below the cameras desired 2.8 - 3.0 voltage requirement and will only result in about 30-40 pictures at most.

This camera requires a constant 2.8 - 3.2 volts to run properly. Kodak won't tell you this !!The camera was designed with Oxy Akaline batteries in mind.New alkalines will produce 3.2 to 3.4 volts in pairs but only for a short period of time.The issue with the Oxy Alkaline batteries is that they simply will not last very long in this camera due to its power requirements.

But there is a really great solution to the problem . You can purchase a CRV3 rechargeable Li-ion battery that fits right into this camera.
You will get a realistic 180-250 photos per charge.The Li-Ion battery maintains a constant 3.0 volts for a very long period of time
and will allow the camera to function the way Kodak originally intended it to and can be recharged. You will find rechargable CRV3 battery kits on ebay or other online battery stores at a very reasonable cost.

You can also use a Lithium Non rechargeable CRV3 battery that will give approx 250-300 photos per battery but you may
find non rechargeable Lithium batteries cost prohibitive.

I use the rechargeable Li-ION Battery exclusively in this camera and it functions perfectly since I switched. I have a pair
of CRV3 Li-Ion batteries so I always have a fully charge CRV3 ready to go.

For reference I was only able to get about 30 pictures with the high capacity 2800 Mah Rechargeable NiMH Batteries I used prior
to using the LI-ION Battery. I get on average about 175 pictures per full charge from the LI-ION Battery.

Jun 14, 2007 | Kodak EasyShare C875 Digital Camera

1 Answer

Types of batteries.


You can use AA disposable batteries (alkaline or lithium) or rechargeable (NiMH or Nicad) batteries. Lithium batteries last much longer, but are generally quite a bit more expensive than alkaline batteries. You should never mix old and new batteries or different types of batteries. If you use Nicad batteries, it is recommended that you use a Nicad conditioning charger to extend the life of the batteries. Note: If you use rechargeable batteries, you will need a battery charger. The camera's AC power supply does not recharge batteries.

Sep 21, 2005 | Polaroid PhotoMax PDC 640 Digital Camera

1 Answer

What is the difference between the available AA battery chemistries?


AA batteries are available in four basic varieties: Alkaline Nickel-Metal Hydride (NiMH) Nickel-Cadmium (NiCad) Photo Lithium (Li-FeS2) Alkaline and photo lithium are non-rechargeable, while NiMH and NiCad are rechargeable. Each has advantages and disadvantages. Non-Rechargeable vs. Rechargeable: Rechargeable batteries are desirable from an environmental standpoint because they are reusable. Self-discharge refers to the fact that batteries lose energy when unused and even when not in a camera or other device. Rechargeable batteries tend to have relatively high self-discharge rates, approximately 1-2% per day for nickel-based batteries. Non-rechargeable batteries generally have very long shelf lives and extremely slow self-discharge rates. This makes non-rechargeable batteries a better choice for infrequent usage. Non-rechargeable batteries are available fully charged in stores all over the world, which makes them a convenient choice for travelers or customers who have dead rechargeable batteries and no time to recharge. Photo Lithium Batteries (Li-FeS2) (non-rechargeable): Photo lithium batteries will yield the longest battery life of any AA battery, surpassing NiMH by 50-100% and surpassing alkaline by 100-500%, depending on the load. While they are more expensive than alkaline batteries, their additional energy capacity makes the cost the same or less per shot than alkaline batteries. Nickel-Metal Hydride Batteries (NiMH) (rechargeable): NiMH batteries are the lowest cost overall solution for users that take a lot of pictures (more than the equivalent of a roll of film per month) or use a lot of high-power features. The largest disadvantage to NiMH batteries is their fast self-discharge rate of 1-2% per day whether the batteries are in a camera or not. NOTE: NiMH batteries need to be completely charged and discharged a few times when new to achieve their full capacity. Rechargeable batteries will eventually fail. If you have been getting acceptable battery life and then see a decrease in life, either quickly or slowly over time, a worn-out battery may be the cause. Storing or charging the batteries in high temperature conditions will accelerate this potential failure. Alkaline Batteries (non-rechargeable): Although the cheapest and easiest to find, alkaline batteries yield the worst performance of all the chemistries in a digital camera. They lose capacity at high power drains and at low temperatures. Skiers and other winter outdoor enthusiasts may find them unsatisfactory. Alkaline batteries are frequently available in two types: High drain (ultra, titanium, maximum etc.) Regular The high drain versions are a premium product designed to operate better under heavy loads than the standard product. However, there is a trend of major brands to increase the performance of their standard battery to b

Aug 30, 2005 | HP Photosmart 120 Digital Camera

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