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What is the polarity for the battery and what is the charger rating

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1answer

Lead acid Car battery was charged with polarity reversed. Can it be re-charged correctly? It blows the charger fuses??

a lead acid will not charge with the polarity reversed
What happens is that in dead shorts and can destroy the battery
it can blow up the battery , blow the charger fuses and destroy the charger
Depending on the damage to the battery cell plates it may be recoverable
1helpful
1answer

Need a charger for a Kawasaki power wheels 4 wheeler model: new ninja. What kind do i need for a charger 12 volt for this?

I suggest you refer to the instructions for the specification.

The first requirement is fitting the charger socket and the next is having the correct polarity.

The type of battery is important and the required charge rate/time is also important. A lead/acid battery should ideally use a constant voltage charger. Ni-cads and similar should ideally use a constant current charger.

The vehicle might have it's own intelligent charging circuitry and just need a power supply but if this is not so then the more sophisticated the charger you buy, the longer life the batteries will have.
0helpful
1answer

Comes with SBC HB700 batteries

All ways use the charger that comes with the unit only. the voltage of the charger is matched to the unit, one or two volts above the unit rating can shorten battery life by a large amount. Also battery polarity must be taken into consideration.
0helpful
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The charger will not charge battery

How old is the DVD player? Either the player battery is beyond its use or the charger has a problem. Be SURE you are using the correct charger. Can you or a friend test the charger with a meter? The VOLTAGE, CURRENT rating AND POLARITY must ALL be correct!
2helpful
1answer

Hi, I have lost the ac power cord for my NC-E2 Canon battery charger. Is there a similar cord I can buy from Best Buy or Circuit City that will fit? Thanks in advance. JD

You need a UNIVERSAL POWER CORD, NON-POLARIZED
you can buy at

http://www.allelectronics.com/make-a-store/item/LCAC-400/2-CONDUCTOR-POLARIZED-CHEATER-CORD/1.html
see these cables has round and square ends.(click Zoom and Look the picture)

If the hole in charger have two round corner buy
http://www.allelectronics.com/make-a-store/item/LCAC-390/6-2-COND.-UNIVERSAL-POWER-CORD-NON-POLARIZED/1.html

Is important for people who share their knowledge, know your comments.
If the answer is helpful, rate my answers

2helpful
1answer

What tip polarity do I use to connect an after market charger?

The short answer is "The tip should be set to positive (+).

I found an old Vector VEC127Y Spotlight. It appeared to be in perfect condition but the battery was dead and there was no charger. I was able to buy a replacement battery at BatteriesPlus for $21 USD. Here is the link for the battery
REPLACEMENT VECTOR VEC127Y BATTERY
I also purchased a Universal A/C adapter to use as a charger at BatteriesPlus for $17 USD. Their site does not list it yet but here is the manufacturers link. Please note the original battery was rated 6Ah. The replacement is only rated for 5Ah. Which means one less Amp hour (Ah). Which means a shorter run time, after charging, than the original battery had. Otherwise they are equal.
UNIVERSAL AC ADAPTER
I installed the new battery. I set the AC Adapter to 6V and installed the largest of the seven adapter tips that came with the charger, with TIP set to be positive (+). I opened the battery compartment of the spotlight and disconnected both the red (positive +) and black (negative -) battery leads from the battery. I then plugged the adapter tip of the Universal AC Adapter into the spotlight and plugged the AC Adapter plug to a power outlet. With a multimeter I tested the polarity of the spotlight battery leads while charging. I was able to confirm that the Adapter TIP should be set to positive (+). After reconnecting the spotlight battery leads and setting the AC Adapter to charge, I have a perfectly great spotlight in full working order.
1helpful
2answers

I am trying to find a battery charger for a black/decker handdrill no kc12xc 12v

Here is just 1 of several sites that sell the charger.
http://www.mtmc.co.uk/Black--Decker-12-volt-3-hour-Battery-Charger---418338-02__p-409.aspx

according to the site this is the charger you need (12V 3 hour charger # 418338-02)
i searched for that number and found several places that sell the charger, including ebay
0helpful
1answer

Charger

next to the jack on the camcorder it should have a diagram that shows polarity (a + and - sign) for the plug, the tip should be one sign and barrel or outside of the plug should show the other polarity. you have to have your plug with the correct polarity, and you have to have the correct voltage( it should say 9v or 12v or something like that) and the supply you use should be as high or higher of a current rateing as recommended in your users manual or printed on the supple that came with it.
32helpful
1answer

Black and Decker Battery Charger

Fault Codes Meaning of Fault Code F01 Internal Shorted Cell Battery - Cannot be charged. Have battery checked by certified auto service center.
Excessive Load on Battery While Charging - Check load. F02 Bad Battery Connection - Check battery connection.
Battery Voltage Tool Low to Accept Charge - Have battery checked by certified auto service repair. F03 Internal Open Cell - Have battery checked by certified auto service center.
Sulfated Condition - Battery needs to be reconditioned. See manual. F04 Overtime Condition - Battery will not accept a charge after 18 hours of continous charging. Battery may have internal
damage. Have battery checked by certified auto center.

Battery Charge Rate is Set Too Low - Set charger to higher charge rate. See manual. F05 Overheated Condition - Disconnect charger and allow to cool for 30 minutes. Check for ample ventilation. F06 Reverse Polarity F07 Alternator Output is Out of Typical Operation Range

Operation Codes I=I=I=I Battery Reconditioning - (The letters DES will display for the first three seconds) I-I-I-I Alternator Voltage Check OOO Charger Standby FUL Battery Fully Charged
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