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  • AccuPower AP2020 AccuManager 20 Super-Fast Battery Charger
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AccuPower AP2020 AccuManager 20 Super-Fast Battery Charger

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Currently unavailable.
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  • Accommodates all battery sizes: AAA, AA, C, D, 9V in any combination of sizes
  • Batteries can be charged in any combination of battery chemistry (NIMH, NiCd, RAM) at the same time
  • 6 charging channels with overvoltage and reverse-polarity detection
  • Refreshing function prevents the memory-effect in new batteries and overrides it in older ones
  • Comes with AC wall adapter & DC 12V (car) adapters


Product Details

  • Item Weight: 1.6 pounds
  • Shipping Weight: 11 pounds
  • ASIN: B000NPE59E
  • Item model number: AP 2020-1
  • Average Customer Review: 3.4 out of 5 stars  See all reviews (24 customer reviews)
  • Date first available at Amazon.com: November 15, 2005

Product Description

Top ranked universal smart charger. ACX intelligence to insure full and safe recharge. Fully automated. Charges all 5 sizes (9v, AAA, AA, C and D), all chemistries.

Customer Questions & Answers

Customer Reviews

3.4 out of 5 stars
5 star
12
4 star
2
3 star
2
2 star
0
1 star
8
See all 24 customer reviews
NOT a cost savings ...
Thomas M. Karl
It can charge all types of batteries and they can be left in with out overcharging.
Jan Dolansky
Granted we should have known better.
CB

Most Helpful Customer Reviews

16 of 16 people found the following review helpful By clearanceman on October 7, 2010
I have used it to charge different sizes and types of batteries at the same time. Using this charger, I am over 10 years on some of my rechargables, I can bring back batteries that have set for years in toys. If you put the battery in and the light doesn't blink, unplug the adapter from the charger and plug it back in. After one-four times of doing this, I can almost always bring a battery back. I have lost two out of almost 200 batteries in 10 years. I have two of these and leave them with batteries in them all the time.
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7 of 7 people found the following review helpful By Robert Wieneke on February 8, 2008
Verified Purchase
This is a great little battery charger. It charges AA, C, D and 9 volt batteries. I plug the lighter plug into a socket that is powered by my 12 volt solar panel on the roof of my house. It is used to charge all sorts of batteries for flash lights, remote thermometers and clocks, even the batteries for my Harris Dracon butt set, COIL tone generator, Progressive Tone Tracking Wand, and my cat 5 cable tester that I use at work.
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6 of 6 people found the following review helpful By Vlady Inhaler on November 11, 2012
Verified Purchase
I've been using this charger continuously for 3+ years at time of writing, and have been so pleased with it that I bought a second one so that I could charge more of my AccuEvolution Low Self Discharge NiMH D Cells at the same time. HOWEVER, I noticed that occasionally one of these expensive, highly-rated batteries appeared to be "dead"...OR SO I THOUGHT!

When you insert a battery into a charging slot on the AccuPower AP2020, the LED is *supposed* to start blinking, indicating that a charge is taking place for the battery in that slot. But if the LED doesn't blink, don't despair. Your battery might NOT be unrevivable after all, merely drained beyond the point of recognition for this charger.

Working on a hunch, I took 2 strips of aluminum foil (about 3.5" X 0.5") and inserted them between the ends (poles) of the batteries and the connectors of the charger--one strip for the positive end and the other strip for the negative end. Then I set a "good" battery on top of the dead one and touched & held the foil strips to the corresponding battery poles. (Yes, it's basically the same idea as "jump-starting" one car battery with another: positive to positive, negative to negative.) Sure enough, the LED started blinking! After a couple of seconds I released the "good" battery from the foil strips--and the LED continued to blink! The next day I had a fully charged D cell which I have since recharged countless times with no problem.

Conclusion: once you "trick" this charger into initiating a charge, it will continue and fully charge the battery...at least that's been MY experience with LSD NiMH rechargeables!

update: sometimes simply unplugging the AC adapter from the charger and plugging it back in will cause the "dead" battery to commence recharging...sometimes not. I like to keep my aluminum "jumper cables" nearby!
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6 of 6 people found the following review helpful By Mr. Pizza on December 22, 2009
Verified Purchase
Very easy to use, it will charge many different kinds of rechargeable batteries, and then will go into a maintain mode. Very "smart" unit; and supposedly one of the few that will charge batteries to their full capacity, a common complaint with cheap units. No problems so far, I leave it plugged in continuously to keep batteries at the ready. The only "con" in my opinion is the high price but after owning it and comparing it to a Radio Shack model I also own, it's worth the price.
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13 of 16 people found the following review helpful By M. Tanner on January 26, 2011
Verified Purchase
This was the second NiMh battery charger I purchased via Amazon in the past 2 months, the first was the Ansmann Energy 8 Charger, and then the AccuPower. In both cases I was sent an either defective and/or used, but sold as NEW. I have good reason to believe that Sundance Solar sent me a "Display Model" of the AccuPower and/or returned one because the packaging was obviously "repackaged", finger prints, and the AC adapter was not the same shape as was pictured on every site I saw that carried the product. In both cases I returned the chargers and Amazon is the very best when it comes to returns, which is the primary reason I come back for more punishment...LOL

The problem with both chargers was the overheating of some batteries, which the "Smart Charging" technologies are suppose to prevent. When I charge batteries I always keep a small fan blowing on the charger at all times because I have found this keeps things "cool" and when one becomes "warm-to-hot", then you know for sure it is the charger.

Now I am ordering the C Crane QC2 Quick Charger-2, which is the exact same product as the Tenergy T9688, but under the Crane name it is a few dollars cheaper.

I do wish that Amazon would do a better job at the quality control end of their prime sellers to prevent these situations to begin with. By the way; if you do order this and get the one I returned; you will know it if you look through the manual as i used a tiny little piece of post-it in the middle to let the recipient know this was found defective and used. I put an obvious note inside the charger; knowing that Sundance Solar would quickly discover that and not look for the real note. May i recommend that everyone begin doing this so we can all be assured we are getting what we were promised. God bless all of you.
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5 of 5 people found the following review helpful By J. Thomas on January 1, 2011
Verified Purchase
Bought this along with some new low discharge Tenergy AA batteries. First time I used it with no problems. Batteries charged, got quite a bit warm to the touch when I took them out, put the batteries in my son's remote controlled Battle Machine remote controlled car, and still going strong (the batteries) after 4 days. Second set of batteries I charged three of them appeared to charge (solid green light), but the fourth battery would not fully charge. Put them in my son's other Battle Machine and they worked less than a day. Recharged the exact same batteries and this time all of them appeared to have charged, but them back in the Battle Machine and it lasted all of 5 minutes. Also, when I charge the batteries they do not get warm at all, they stay completely cool. So now I am back using my old Rayovac chargers and at least with them the batteries take a good charge.

When trying to test the charger I have unplugged it to try to reset it and put the batteries in again - same thing. Unplug it and plug it back in with the batteries already installed - same thing. No matter what, I can't seem to get a good charge with this thing. Also according to the instructions when you first place the batteries in the charger the LEDs are supposed to stay lit solidly for three seconds while the charger "analyzes" the battery. Mine does not do this and goes straight to the charging mode - blinking LEDs

Looks like I will be returning this unit. Unsure if I want to exchange it for another one of the same. I paid $55 for mine which is a great price for this product (if it worked right) from Amazon through a 3rd party seller as I believe list price on this unit is $79.
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