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ULTRAPEAK 4A FAST CHARGER 4-7 CELLS gebruiksaanwijzing

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How long do i charge a sunpak nc 510 rechargeable using a QBC-5 CHARGER


Sunpak uses different power sources on their high-power handle mount (a.k.a. hammerhead) flash guns. The most common is the battery basket that holds 4 or 6 AA or C batteries depending on the type of the unit. One can insert Nickel-Cadmium or Nickel-Metal-Hydride rechargeable batteries instead of the primary cells, this way reducing the "consumables" costs at the expense of the smaller number of flashes per battery set. (Actually, NiCd or NiMH cells would probably give smaller number of flashes compared with the alkaline cells, but the recycle time between the flashes can be shorter. The reason is that at charging the flash capacitor inside the flash current counts more than voltage. Sunpak sells Ni-Cd battery packs named CL-2 for their flashes that utilize 6 AA-cells, and CL-3 for their 622 series (4 C-cells). The charger for these is the QBC-5. It recharges the exhausted batteries in 3 hours. As a solution assuring the shortest duration between flashes Sunpak offered the Powerpak, a shoulder holster that held a dry (non-rechargeable) battery of 510V, it charged the flash capacitor directly, omitting the transistor inverter in the flash body. As such battery became obsolete, the Poverpak has been superseded with the NC510 and later the TR-II PAK, which utilizes 10 Ni-Cd rechargeable batteries as a power source, and a powerful (more capable than the one in the flash) transistor inverter. NC510 and TR-II PAK use the same connection to the flash and the same outlook as the original Powerpak but, being rechargeable, are more economical. QBC-5 also serves a charger for the NC510 and TR-II PAK. You may ask, how the same charger can be used for 4, 6 and 10 cell NiCd packs. Well, the charger is specially designed for that, although charging time differs at the different battery packs. The NC510 and the TR-II PAK needs 10 hours to be recharged, when exhausted. The best way to avoid damages (overcharging degrades NiCd and NiMH cells) is to check temperature of the batteries. Charging must be cut off if the battery becomes hotter than 45 ?C (115 ?F). If after 10 hours of charge the NC510 does not power (the otherwise working) flash, then it must be serviced. Replacing the batteries is an easy job that can be done at home, with some soldering skills; NiMH cells with solder tabs are available at many web-based supplyers. Don't solder the cells directly, heat damages them. Avoid touching parts inside, when the pack is turned on: electrocuting is fully possible. Better find a professional, if you are not familiar with the electronics.

Jan 08, 2014 | Sunpak Cameras

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Charging you laptop battery by Ultra fast charger



Some producers argue charger incredibly reduced charging times of 30 minutes or less. Cells with well-balanced and operating at moderate temperature, nickel-cadmium Dell Inspiron 1525 Batteries designed for fast charging can indeed be applied in a very short time. This is done simply dumped in a high charge current during the first 70% of the charge cycle.
In the second phase of the charge cycle, the charge current should be lowered. The absorption efficiency of the Asus M6000N battery charge is reduced gradually shifts to a higher charge state. If the charge current is still too high in the later part of the charging cycle, the excess energy is transformed into heat and high pressure cell. Eventually, the ventilation will occur, releasing oxygen and hydrogen. Not only reduce the gases escaping the electrolyte is highly flammable! A white powdery substance accumulating in the mouth area indicates the previous outburst.
Ultra-fast charging can only be applied to Dell PC764 battery that are designed for rapid recharge. Applying a high current charge for normal cells will cause the conductive path to heat up. The contacts on the portable packages also suffer if the current arrangements for contact management piston spring is undervalued. These contacts can wear out prematurely. Often, a fine and almost invisible crater appears on the tip of the contact, causing a high resistive path and forms an insulator. The heat generated by a bad contact often melts the plastic. touch voltages exceeding improve the flow of current.
old Dell Inspiron 1501 Battery with high internal resistance and the corresponding cells do not lend themselves to ultra-fast charging, even if they were designed for it. Low conductivity cell is transformed into heat, which further deteriorates the cells. Weak cells which have less capacity are fully charged before the others and begin to heat up quickly. Some HP 530 battery create enough heat to soften and distort the plastic case. Temperature sensing is a prerequisite for rapid and ultra-fast charging.
Several manufacturers offer chargers wrist. Interspersing short bursts of discharge between each pulse of charge can further increase the charge. This method promotes the recombination of oxygen and hydrogen gas, resulting in accumulation of reduced pressure and temperature of the lower cell. Pulse chargers are also known to reduce the crystalline formation (memory) for Nickel-based. Most of the Cadex Inspiron 1525 Battery charger for dv8000 Battery based on nickel implement this function.
Some advanced chargers adjust the charge current according to Dell Inspiron 9300 Battery capacity to accept charge. A DELL E1505 Battery takes a charge initially very high current. Towards the end of a tax, the current is tapered down. batteries have aged since their respect and are automatically charged at rates appropriate to their condition.

on Apr 21, 2010 | Computers & Internet

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I have charged my MX 500 dirt rocket for 24 hours and the charger still is red. I took it off the charger and the back wheel went, but not going fast enough to stay up with both my feet off. When I hold...


The battery is probably bad. If a battery is fully discharged it can damage one of the cells in the battery. If you can replace the bad cell then it should charge correctly. Many of these batteries are made to be hard to open up and are hard to repair when they are opened. My best solution is to replace the battery and if that doesn't help then the charger is bad. When the charger is replaced then if both batteries are good then you will have a spare. I hope this helps.

Aug 15, 2011 | Razor MX500 Dirt Rocket

1 Answer

CHARGER NOT SHOWING ANY KIND OF INDICATION THAT UNIT IS ON OR NOT


You need to insert two healthy cells (together on either side) before the indicator will illuminate.
If it doesn't, then the charger might be faulty.
Open circuit cells will also cause the same symptom, although it's very unlikely that you willl get more than one out of four failing. Dropping a cell can cause unpredictable results.

Mar 27, 2011 | Quantaray Rapid Battery Charger with 4...

1 Answer

Iam using Energizer 15min charger. I have used for a longer time. Now the charger red light blinks while trying to re-charge batteries. I have tried various batteries but red light blinks. Failed to charge...


A flashing light indicates that the charger seems to detect a problem with the cells. (two or more cells form a battery). Since you've tried other cells, it can be reasonably assumed that the charger is faulty and should be replaced.

Feb 14, 2011 | Energizer 15 Minute Battery Charger Combo...

1 Answer

After placing my battery in the charger it flashes red fast after a few minutes


Sometimes the charger needs to be reset! there is a procedure for tricking the charger into giving the battery a forced charge. Sometimes this will shock the cells back to life. It is a temporary fix! the thermistor inside of the battery may also be bad. Goto Http://www.Batterypartsonline.com the have the thermistors and any other parts you might need!

Jan 29, 2011 | Dewalt DC9096 18V Xrp Battery Pack

1 Answer

I have a Makita 12v cordless drill which has a Fast Charger (DC1290A) and 1220 Ni-Cad battery. Problem is that the battery only charges for 4 seconds and the charger shuts down. I need some input to decide...


Hi,
It sounds like the problem is the battery. It sounds like there are shorted cells in it so that it starts to draw too much current from the charger and the charger shuts down as a safety measure.
I hope this helps,
Happy New Year,
Mark

Jan 01, 2011 | Makita 12 Volt Cordless Drill/Driver Kit

1 Answer

Help ons aan een nederlandse gebruiksaanwijzing van de KYOCERA


we hebben inmiddels een gebruiksaanwijzing gevonden,zodat onze vraag gewist kan worden.

gerard en willeke

Dec 26, 2009 | Kyocera Finecam M410R Digital Camera

1 Answer

I charge it up at night and wen i turn it on to go after a little bit the battery meter gos down.and if i plug it in to charge the charger will go from orange to green fast like it has a full charge


You have gel cells cells in your machine? Is it more than two years old?

It sounds to me like your batteries are kaput. Verify this if you can by taking one or both to a old-fashioned auto parts place.

I hope this helps you ...

a

Sep 26, 2009 | Invacare Pronto M51 Power Wheelchair

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