anybody own those 15-minute battery charger?

Kelly Grannell

DIS Veteran
Joined
Feb 26, 2005
Messages
3,372
1. Do they actually charge 4 batteries in 15 minutes? or do they calculate the way Sony calculate their charger (1-hour quick charger* then the asterisk leads to *charging time to 80% capacity, based on one battery charged)?

2. Can I use ANY NiMh battery on that charger or I should only use their battery? (they are quite expensive in Canada, $24 for 4 whereas regular NiMH battery with the same capacity is only $10 for 4)

TIA
 
Deleted.. I was confused :confused3 as usual! Mine was not THAT rapid of a charger when I went and researched! I was thinking they told me it was when I ordered it!

Hi Kelly!:wave2:


I think mine take about 1 hour for four - but it is not an expensive charger, and although I have had no issues with it, it did not get great reviews on one site I checked. I also like it that it has a car charger if by chance I do forget to charge my batteries. It's pretty routine now that I stick them in the charger as soon as I come home!
 
Thanks Mak. I want to buy another charger but don't know whether it's really a 15 minute charger for 4 batteries

My current charger (Power2000) is supposed to be a 60-minute charger, but they rate it at charging 1 battery, so for 4 batteries, it still takes 4 hours :(
 
I do have the 15 minute Energizer charger and it does charge all 4 batteries in 15 minutes for a full charge. Hope that helps.

Jeff
 

I've only charged Energizer batteries so I can't say how other brands will charge in it.

Jeff
 
Dan, would you kindly check the input power of the unit? I have a charger which input power is 1A, another charger with 2A. Those 15-minute chargers are 7.25A. I can't find the input power spec on the website. That thing looks magnificent, though.
 
Not sure if this answers your question, Kelly, this is the bottom of the charger and the plug adapter.

lacrosse.jpg
 
Yup! thanks very much. It means that it charges up to 3 A per hour. Meaning 4 2500mAh batteries will take about 3.5 hours to charge, or if you put 1 battery, it will take about 45 minutes to charge.

I'll go to the Amazon site and buy it then. Thanks again, Dan the Man!
 
Check the user guide pdf on Amazon, on page 2 of the pdf, it lists the times at the various charging currents selected, slow/trickle on up to a quick one.
 
I have the Rayo Vac 15 minute kind, it will charge 2 AA in 15 minutes. You do need to use their I-C3 ones, they are 2200 mah. Or at least thats what it says. I really like it because I was always forgetting to charge the batteries the night before anything that I needed them for. This way I can charge them while we are getting ready.
 
From what I have read, the Energizer will work with other batteries, but the Rayovac will just act like a normal 8hr. charger with other batteries. They actually place some kind of circuit on the battery itself instead of in the charger. They say that their method is better, but I doubt that anyone could notice a real difference.

The 15 min chargers will not completely charge the battery. It is about 80% where an 8hr. charger usually give you about a 95% charge. The heat generated is the downfall, so the charger with the most cooling features is probably the best.

I personally keep enough extras to never find myself in a tight spot, so I would rather have the more complete charge. Another thing to note is that they get really hot in a 15 min charger. A friend of mine calls it a 30 min charger (15 to charge and 15 more to cool enough to touch ;) )

I believe that http://www.imaging-resource.com/ has some pretty extensive battery testing.
 














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