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#1
Old 07-27-2003, 01:00 PM
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Help me with my battery charger

I have a cordless drill, Black and Decker, model 9089, Type 1. The next line says "6V" and then has a symbol which looks like a very wide dash with three shorter lines under it. Imagine "= = =", but with the three top parts all connected.

I lost the 110V AC charger thingie that came with it. The drill says "Use only with B&D 418337-06 charger", but the battery is dead, and I dont have much choice but to use a "universal a/c adapter" that I happen to have laying around.

The adapter has several voltage settings, so it's very simple to choose the 6V setting. But it also has a switch to control the polarity, ie, whether the negative is inside and positive outside, or vice versa. Black and Decker's website offers no help on this stuff, and their customer service phone is closed on weekends.

Two questions: (1) Is there any reliable way to know which way I should set the polarity? (2) Am I correct that if I guess, and my guess is wrong, that will pretty much ruin the drill?

advTHANKSance
#2
Old 07-27-2003, 01:07 PM
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Look for a diagram near the power jack that looks like one of the following:

+ -----(o---- -

or

- -----(o----- +

These will tell you that the polarity is tip-negative or tip-positive respectively. If you guess, hopefully there will be an LED indicator that will either come on (correct) or not (incorrect) when you plug the adaptor in. If not, you won't know if you got it right until you either go use the battery and it's dead or you see smoke.
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#3
Old 07-27-2003, 01:10 PM
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Doesn't it show the polarity detail like this:

Positive tip:

- -----( o----- +

Negative tip:

+ -----( o------ -

Does the drill have a charging LED? All of mine do. I'll also mention that I've opened up both of mind and there is a diode placed in-line with the charging path to prevent accidental reverse-polarity connections from causing damage to the battery.

I would plug in my 6V charger and if the LED doesn't come on right away, plug it in with the polarity reversed.
#4
Old 07-27-2003, 01:12 PM
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Hey, get outta my head, dammit!
#5
Old 07-27-2003, 01:39 PM
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Umm... having dealt with a misbehaving drill battery charger almost melting a battery pack I could recommend that you get the manufacturer's exact replacement or get another battery+charger pack at the local hardware superstore. I was a Radio Shack Manager for almost 5 years and I am here to tell you that using incorrect or inadequate charger specs (not just voltage but amperage) in matching to a heavy duty battery pack like a drill pack can cause fires.
#6
Old 07-27-2003, 01:43 PM
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I guess I should've mentioned that there are no markings on the drill of the type that y'all described. I was hoping that someone could decode the mark near the "6V", which I described as
Quote:
a symbol which looks like a very wide dash with three shorter lines under it. Imagine "= = =", but with the three top parts all connected.
No LED on the drill either. That's what I get for buying such a cheap one. My guess is that Black & Decker figures if the're gonna lose money on the drill, they'll make it back when I'm forced to buy a replacement charger.

Oh well, let's see if any other posters might have other ideas. Thanks all.
#7
Old 07-27-2003, 01:57 PM
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That symbol only means DC as opposed to a ~ which means AC. Short of opening the drill up and tracing the circuit, there's no way to determine the correct polarity. I searched the web, but found no detailed specs on your drill or the charger.
#8
Old 07-27-2003, 06:01 PM
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Quote:
Originally posted by Q.E.D.
That symbol only means DC as opposed to a ~ which means AC.
Much appreciated. Thanks.
#9
Old 07-27-2003, 06:17 PM
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And here's a better way to type it: ---.
#10
Old 11-30-2009, 04:47 PM
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I know this is an old thread. But this has the most pertinent information on a Google Search for "B&D 418337-06 charger", which is what I am looking for more information on. I have a very similar situation as the original poster, Keeve. The only piece of information missing is the polarity. I cannot discover if the B&D 418337-06 charger is supposed to be tip-positive or tip-negative.

I inherited the drill without a manual, and without a power adapter. Just the drill, case, and some bits. After a little bit of use, the battery drained enough to require recharging.

The Drill has this information:
9089 10mm Type 3
6.0V --- no 275/550/min (NOM 6.0V)
(the 'o' in "no" is subscript)

In even finer print:
Patents Pending Made in China Questions? 1-800-54-HOW
Black & Decker (U.S.)Inc., Towson, MD 21296 USA

There also appears to be a Ni-Cd symbol, good to know what kind of battery is in there.
#11
Old 11-30-2009, 05:03 PM
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Quote:
Originally Posted by karplusan View Post
I know this is an old thread.
Good Golly!
That gave me quite a start there, until I noticed the date.
#12
Old 11-30-2009, 05:07 PM
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Me Too !!
#13
Old 04-25-2010, 07:06 PM
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I can absolutely confirm that the charging requirements are: - --(o-- +
I have the same problem: no charger.

Opening up the device, I attached a 6v AC adapter rated at 350 milliamperes to the inside of the battery.

The plug for my adapter does not fit; so I stripped the wires and attached the ends to the connector directly. I attached the positive wire to where the inside of the adapter would connect (and the negative to the outside) and it's charging successfully. This confirms positively tipped AC adapter.

I carefully monitored the charging process to ensure the battery and charger did not overheat.

If you merely want the drill to work and you are not concerned about the cordless benefit, you could simply connect a 6v AC adapter to the device after unplugging the battery and run the drill as a corded drill, instead. I suggest you find an adapter with a high ampere rating (maybe 1 or 2 amps) so you can still have a strong drill/screwdriver.

Unfortunately, I cannot determine the drill's motor rating so I cannot give a better recommendation.

Or you could always bother B&D to see if they have a replacement charger for it.

Anyway, good luck, everyone.
#14
Old 04-25-2010, 09:18 PM
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What does a zombie need with a cordless drill?
#15
Old 04-26-2010, 05:16 AM
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Zombies use cordless drills to poke holes in your skull so they can get to your braaaaiiiinnnnnssss.
#16
Old 12-08-2011, 02:26 AM
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Correct polarity

This is the correct polarity. (-)----(----(+).
It has a positive polarity so if you have a universal power adapter put the (+) on the connector to the adapters input jack.

9089 10mm type 1
6v (long line ( )over three dots(...) ) N
O 275/550/min
Line over dots means- direct current
N means- no load speed
O
275/550/min means - revolutions per minute
#17
Old 12-08-2011, 11:27 AM
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Quote:
Originally Posted by beowulff View Post
What does a zombie need with a cordless drill?
I don't know. There must be something weird going on, God just asked me for a starship.
#18
Old 12-25-2011, 08:47 PM
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Only one other person with this problem? In almost 9 years it's still the only post about this. Golly!

I happen to have come into possesion of two of these drills. No charger.

The universal charger i have is RHINO model PST-15M / 1200 mA max DC and it totally works.

That charger runs the 1st drill but won't charge the battery. I charged the 2nd drill to test if the battery is bad in the first one and sure enough spins like a champ.

I know it's an old thread but figured i would add the collective. Btw b&d 418337-06 in google and you can get a replacement charger for about $10 but this unerversal one is much more useful as it also charges my computer.
#19
Old 12-26-2011, 10:57 AM
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Let's see ...

Thread started 07/2003
Revived 11/2009
Re-revived 04/2010
Re-re-revived 12/2011

Anyone taking bets on when the Re-re-re-revival will be?
#20
Old 11-09-2013, 10:46 PM
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Revival

I have one of these drills....and charger. My problem is that the battery pack is discontinued. So if you need any info about this drill I'll do what i can and help. If anyone could tell me how to just hook this thing up using regular batteries or something please post how to do it. Pics are available if needed.

Quote:
Originally Posted by LSLGuy View Post
Let's see ...

Thread started 07/2003
Revived 11/2009
Re-revived 04/2010
Re-re-revived 12/2011

Anyone taking bets on when the Re-re-re-revival will be?
#21
Old 06-05-2014, 05:10 PM
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It's ALIVE - June 2014

Thanks for helping me to charge my drill with the proper polarity - now who wins what?
#22
Old 06-05-2014, 05:18 PM
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quint zombie or no

you win a charged battery.
#23
Old 01-20-2015, 10:47 PM
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Charger/adapter for B & D 9089 drill (i.e.418337-06) gives 8 volts AC output @ 250Ma. Since there is a diode inside the drill (charging circuit) so it is half-wave rectification, i.e giving about 4 volts dc to charge the battery. You may be able to use any 4 to 5 volts DC output adapter with the same or higher amp rating, which fits the receptacle in the drill. The matter of negative/positive side has already been addressed in previous posts.
#24
Old 01-21-2015, 01:39 AM
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Let's let this poor zombie rest in peace.

If anyone has new charger issues, please feel free to start a new thread.

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