*This battery reconditioning program exceeded my presumptions. It worked on any drill battery, several AA and AAA batteries, **batery.repair** and any camera battery. The steps are simple and the act itself is exciting to do. No matter what type of battery you`ve got, it is sure to function again!*

an extra tip is to leave the charger upside down. the reason being ,if they leak ,the stuff does not go down into the charger where it can't be cleaned off easily, instead of just dripping onto the door and contact point.

Alkaline batteries are insanely rechargeable, not so much for carbon zinc but they can be recharged with the proper precautions. When the rechargeable in those solar stake lights for your yard eventually die I just stick in some alkaline and they work for months of charge cycles before dying. An Xbox or Wii controller will also greatly benefit from recharging alkaline batteries, just make sure you cycle the charge on and off so they do not explode.

You are 100% correct. Dad showed my how to do this decades ago & I used dumb charges until I had a liquid accident & shorted out my old dumb charger. Bit the bullet & bought a MaximalPower charger from Amazon for around $30 which is able to recharge alkaline batteries. I never accidentally overheat a battery now. Even better is I have had much better luck charging batteries that have voltage reduced to 0.5 volts although they seldom will exceed 1 volt later but work well in low demand applications like a remote control for a TV. You are also correct that Rayovac batteries have the best case. Duracell cheapened it case & will leak from not only a seal but from the side. Every ready makes a good case but seals are prone to leak. Have been using the MaximalPower charger for 6 months & enjoy the ease of use since it has never overheated a battery & I can leave them in overnight since it goes into a very low trickle mode & displays an idiot green light.

I did that for years with an old Radio Shack charger, the type that can take 8 various sizes batteries at the time. The only difference is the timing set-up. 1 Hr ON, 1 Hr OFF for about 10 hours.. and since the charger is in the garage, evething stays cool. So far I never had leakage or overheating and it realy streches the batteries' life..

About 75% of the time I'm looking up something practical, thrifty, or even just a new "kick***, interesting!" thing to try, I stumble across your vids. So...thank you, once again! Have a great day. :-)

You have one of THE BEST channels here on KZfaq Im always learning something NEW!!!!

I just charge mine in a charger that's made for the energizer rechargeable batteries. It needs two to charge so What I do is place in one Alkaline battery and one Energizer rechargeable battery It will charge both and not show an error by flashing red. But if you place only two Alkaline batteries it will flash Red to show and error. Just place in one energizer rechargeable battery and one none rechargeable Alkaline battery. That's how I do mine and it works. It even charges the cheap alkaline batteries easier than the name brand but will recharge both

I have also used these type chargers to charge my Alkaline batteries. Basically the same way you do. I also have one of those alkaline battery chargers, but they are really terrible at charging dead batteries. So I pretty much have to charge them up like this anyway. This really works for those who want to try it. I have been charging batteries this way for years now.

Worked like a charm. Had a bag of batteries that I was going to take to batteries plus to get rid of. Tried recharging and now a lot of them are fully topped off and ready to go again. Thanks so much.

That harbor freight multi meter is a great value. I have 2 of them for free. They do have a battery setting for reading batteries.

Those batterychargers on lithium batteries can be used in these battery chargers.

Looks like an awesome idea. Will definitely have to try that. Thanks for the info

Just stick them on the old RayOVac rechargeable alkaline charger that says 3-in-1... works great. The one before that works great too, just wrap the top in some foil on the positive (point side)

Great tip on the timer.... makes perfect sense.... Thanks!!!

It seems they can be topped off but ... gains rapidly diminish. One or two recharges it seems from another vid that I watched where the guy tested it out. I have had good success with the more expensive rechargeable batteries that do save $ in the long haul.

Thank you for the informative video! So the main issue with recharging "non-rechargable" batteries is the cycle the charging process on and off so that they do not overheat and become damaged, right?

that battery charger... it is so vintage. Well, relatively. I had one as a kid except mine was the larger one. I miss that thing. I found one on Ebay and almost bought it. However, I just buy rechargables now and run my xbox controllerso ff them.

This is the way ive been charging mine for a couple years now.It does work good.

That's pretty cool. I have one of those timers so I'll give it a try.

The classic way of charging non-rechargeable batteries is to charge them with AC. With 2 resistors and 1 diode, you charge them at the positive pulse and discharge them approx 10% each negative pulse. For an AA battery that would be about 100mA at the positive pulse and 10mA at the negative. You will generally get a much better result compared to charging them with DC. The drawback is that you have to buy the components and build it yourself, or modify an existing old charger.

Is there anything about repairing stuff you don't know? I'm impressed.

another great tip ,i have a lot of dead batteries from my kid's toys this is going to be very useful,you got another subscription here,thanks man

Great info!! I recently got 20 6v lantern batteries for free because they were close to their sell by/use by date and I heard if you rip them open they have 8 D-cells inside...YEP , so I've been getting good use out of them , and I have about 8 tired 1.5v D-cells sitting on the bench that I'm heading downstairs right now to try the timer-charging method on.......thanks!!!

I was thinking about this vid. I "jumped" a battery pack on an old streamlight that wouldn't charge with an 18V drill battery to get the temporary charge up to a point where it would register on the charger. Just touch the dead battery ends with wires hooked up to a battery about 2-3X the power. Would that work for alkaline batteries that are too low to register on the charger? I ask because I haven't tried it yet. Maybe a way to revive even the deadest alkalines? There are other vids on youtube on how to do this process of "jumping" the dead batteries for those interested. It mainly deals with drill batteries but a battery is a battery. Again, awesome vids!

Like others have said quick and right to the point might have to try this.

Dude, you are the one channel I think is worth subscribing to. Get a t.v. show!

EXCELLENT !!! Very insightful!! who knew??? THANK YOU... Keep the good stuff coming.. Do you have any insights to recharging Lithium batteries from small power tools that have gone dead or won't recharge in their accompanying charger units??? If so, please advise;

very informative thanks,,, helped me a lot on how to use multimeter

I used to have the buddy L charger that was made for normal batteries I think dick clark was advertised selling it I think early 90's

Ive had 1.7 to 1.8 if u charge before first use alaline batterys have higher voltage

i go through about 45 AAs a month filming my videos and have been pondering charging them. i think i may just connect them to my universal power supply at limited amps with like 100ma of current and have it top out at 1.6v do you know if the alkaline batteries will stop at 1.6v? like for instance lithium ion batteries will just keep raising in voltage till they are like 140% charged then short out. unlike lead acid batteries that settle down to 2.2v as long as you don't overcharge them. most of the time LiPo cells will short out after 4.3v but i accidently got a pack of 4 cells to 4.7v and none of them blew. i was handling them like unexploded dynamite while i was connecting a motor to discharge them haha thanks for this video!

just want to say like your vids, you are a great hacker and teacher, keep it up!

@7:08 i got the same T shirt ! Great vid ,this will save me some $.

awesome, thanks, I'll share this around. great informative video, going to help a lot with Xbox controller batteries!

Good idea! Thanks for sharing.

You could put a small wire in place of a battery if you wanted to only charge one...

Love the coke machine

wow, this is a good idea, i should try dis with my junk ones, if they explode I'm not gunna care to much. but what a smart idea! :)

65ford, finally trying it out today. I got the same Centech multimeter you are using the video. Hard to figure that thing out! Luckily I could see on the video where you had the dial on the multimeter, on "20" in the DCV section, but don't understand it. Does the charger output volts and amperes matter? My charger says 2.4VDC output at 140mA.

i want to know how to find the amphere hour of any alkaline battery because it's not written on it.

I recomend battery testers good fast way 2 cheak charge or single batterys. And somthing ive found out if a remote of somthing dies most times all the batterys arnt ded maby only 1 is then it dont git the volts it needs then it ses its ded cheak both charge the ded 1

Have you ever tried to recharge the Lithium AA batteries like the ones that Energizer sells?

Did you say it's ok to put a single battery in the gray charger?

i recharge my alkaline and heavy duty batteries with imax b6 charger by setting - ni-mh manual charge 0.1A

Duracell, Energizer and Rayovak.

My experience I charge all batteries except energizer I have a guage meter on my charger to let me know how empty or full the battery is

+sixtyfiveford I get hooked watching your stuff then I don't get my stuff done. Keep it up ;-{)

How to find out what the load rate of a trailer

Any Idea what the best charging current is, with an cycle of 1 hour on and 2 hours off, voor 24 hours ? (for an AA duracell)

How long of time you get from a recharge batterie 1/3 of f life or more ??

You said "...if there are over 1.5 volts you know 1.6 or so then i know they fully charged." and I say : NO you dont! They can be near empty with only few mAh "juce" left and with that voltage, but with a slightly load on it, voltage will drop insanely fast, because they lack of charge. I dont say you cant recharge alkaline battery, Im just saying you can charge it with about XX % of its original capacity and that voltage isn't measurament if its something fully charged or not. (original capacity of Alkaline batteries is around 500-1000 mAh for AAA and up to 2000 for AA) Years back then there was rechargeable alkaline batteries, almost a same like todays alkaline "non rechargeable" only difference was some aditives in cathode and some catalyst to recombine and neutralize hydrogen that forms by Zn compound while battery is charging.

Would this work for lithium batteries?

Can you charge simply duracell batteries

Good video but entirely a complicated process and to much wasted energy. Would be less of a hassle to buy a new battery charger and rechargeable batteries only. You would be surprised how inexpensive a Charger on sale cost and you would be even more surprised at the cost of rechargeable batteries for-sale at your local flea market, 1/2 price. Oh and by the way I really like the coke machine ... awesome!

Another good one...thx.

Only recharge regular batteries only 15 times after that they wont recharge.

Most basic chargers are based around 1.4 X battery capacity / time, so they put 140% in for 100% out (if you use them straight away). Interesting to see what you get out of yours for the input :-)

Sometimes no good

That's great!

What is the Brand & Model Number of the Timer?

Can you do this for a 9 volt ?

I thought they could explode.....

is it really work 100 % ?

hello! i just found your video , so i hope you see my comment. i recently bought a new camera and it powers up on 4 alkaline batteries , the thing is - it eats the batteries like crazy , i used a few different types of alkaline batteries and they have a short life. like i recharge them max 4 times and they die , they can't be racharged or used anymore. so , i thought its just shitty batteries. i found today (after a whole adventure of searching) energizer maximum + power boost AA batteries (4 batteries per a package) and they weren't quiet cheap but not too expensive either , i was googling them and aparently they are the best batteries for cameras on the market. my question is do you have any advice for me , can i recharge them? are they gonna explode? i hava a basic -Sony Cyber Energy- battery reacharger and it worked fine until now. im new to this whole battery stuff so im really curious about this specific type (energizer maximum + power boost AA batteries). so i would be really thankful if you responded! i liked this video and suscribed and im really happy you made this channel bcs its really hard to find battery info on the internet. god bless you

2 hours to cool down sounds extreme.

The battery charger never has the correct voltage hmmmm.

ALL batteries are made at 1.5v or combinations of the same eg. 4X1.5 = 6v etc etc 6x 1.5 9v etc etc so there is not a 6v battery as such but is made up of 4 1.5v. Just a useless piece of info......

WARNING. My akaline charger works fine, but charge em too many times and they leak, the damage this causes it`s just not worth it. nearly ruined my Maglite and my Black & and Decker screwdriver, Kodak.Panasonic and Sony are all good from the pound shops. also i have my doubts on some Duracell and Energiser batteries from ebay.

EBL® 920D LCD Rapid Advanced Intelligent Smart Individual Cell Battery Charger/Discharger for AA AAA Ni-MH Ni-CD Rechargeable Batteries (Black) (Electronics) Fine for slowish 4 hour plus charge of rechargeable batteries, this is not a bad thing batteries do not get hot and have a longer life . Beware alkaline batteries. I checked carefully that some alkalines were not overheating on charge for 2 hours. Touching the batteries to check the heat one battery/, even though not hot, fizzled. It had started leaking caustic fluid through the bottom of the battery past the plastic sheath. All the charged batteries had an open circuit voltage of 1.7 volts. I wiped clean the leaking battery and left all the batteries for a day on a piece of hardboard. Even after cooling the leaking battery continued to leak caustic fluid that etched through the surface of the hardboard. Clearly this battery could damage any equipment it was put in. If you want to try recharging alkaline batteries use the charger upside down so leaked caustic fluid doesn't rot the circuit board beneath the terminals. Leave any charged batteries for a day or two on an old piece of hardboard.I have read elsewhere that putting a timer switch set to,1 hour on two hours off for a total of 15 hours can help with good in date alkalines that measure more than 1.2 volts. So yes in 15 hours you can recharge an in date alkaline battery that is not too discharged and it may not leak caustic fluid. Other possibilities are: leakage occurs while charging corroding the circuit board of the charger, leakage occurs later corroding terminals or circuit boards of equipment. Apparently you can charge alkaline batteries up to 10 times so 150 hours of charging 20 days looking at a piece of hardboard for caustic leaks and no guarantee your equipment wont be corroded - is it worth it ?

put your duraleak batteries in a diaper as they always leak

I did it but they don't hold a charge, so it's useless and a waste of time.

So many boring talkies that show how.

Boring

No thanks, I don't want my batteries exploding

Is eveready battery ok?