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Maximal
11-04-2013, 02:48 PM
If you store your car for the winter you need one of these. Been using something similar to these for a few years but am picking up a CTEK this year due to the extra features. They're all cheaper than a new battery...

All are designed to use with 6v, 12v, and your AGM batteries (Optima, Odyssey, etc) and use smart charging technology to make sure you don't overcharge your battery. These things are pretty amazing as for example, the 7002 does the same thing as other cart-mounted chargers do, but in a case the size of a small shoe.



http://www.maximalperformance.com/image/cache/data/product/ctek08-500x500.jpg
The CTEK .8 is great for maintaining your already charged battery. It's also designed to charge lawn mower/ATV/motorcycle batteries but will charge a car battery as long as you're patient.
CTEK 0.8 Battery Charger - Maximal Performance - Mitsubishi Performance Parts (http://www.maximalperformance.com/tools/ctek-08-battery-charger)



http://www.maximalperformance.com/image/cache/data/product/CTEK4.3-500x500.jpg
Take a step up and get the 4.3 that allows you to not only maintain but charge automotive batteries. Great all around charger and the most popular of the ones listed. Has 4 stages of charging too.
CTEK 4.3 Battery Charger - Maximal Performance - Mitsubishi Performance Parts (http://www.maximalperformance.com/image/cache/data/product/CTEK4.3-500x500.jpg)



http://www.maximalperformance.com/image/cache/data/product/54381d9fbcabd_CTEK70021-500x500.jpg
The 7002 gives you all the features of the 4.3 but also allows you to "recondition" batteries that can bring a completely dead battery back to life most of the time. It also gives you a few more status LED's so you can see what level the battery is charged to.
CTEK Multi 7002 Battery Charger - Maximal Performance - Mitsubishi Performance Parts (http://www.maximalperformance.com/tools/ctek-multi-7002-battery-charger)

If you have any questions let me know!
CoopKill
11-04-2013, 03:08 PM
Snagged 2! Woot! Shipped yet???
Maximal
11-04-2013, 03:10 PM
Haha, they will later this afternoon. Thanks!
CoopKill
11-04-2013, 03:13 PM
:bigthumb:
HLxDrummer
11-06-2013, 01:44 PM
Cool! How long would it take to charge a completely dead battery?

Also, do you need a special charger for AGM batteries? Never knew that.
CoopKill
11-06-2013, 08:41 PM
Charge time will depend on which model you get.
Maximal
11-07-2013, 08:45 AM
Cool! How long would it take to charge a completely dead battery?

Also, do you need a special charger for AGM batteries? Never knew that.

What Coop said. The .8 will take some time where as the 7002 will probably do it overnight at most.

Regular battery chargers will work to a point with AGM but they don't have the "13.6v float" charge that they like and apparently it's bad for them without it. Most high-end chargers have the setting so for the 4.2 to have it at $60, it's pretty affordable to get the right one.
HLxDrummer
11-07-2013, 02:31 PM
Well I'm glad I saw this thread. I bought a $10 HF float charger for my car this winter (just unplugged the negative terminal last year). Says you can't use it on AGM batteries.

I was just wondering how long because my dad has a really old cart charger that you can adjust. Anywhere from trickle charge to "boost" which basically jumps the car. I'm guessing these won't jump a car? Not a deal breaker but that would be nice.

I store my car at my Dad's house so I guess I would use the charger there but it would be nice to have one with me as well to charge batteries if they die..
Maximal
11-08-2013, 12:22 AM
Yeah, the amperage of these are fairly low so I doubt it will on a fully dead battery. If your battery is close to starting it should do the trick though.
CoopKill
11-08-2013, 07:17 PM
Got the 7002, and a .8

Tore into the 7002 today and it looks legit! Hooked her up on recondition mode. It analyzes the battery, and adjusts the voltage, and amperage to match the condition of the battery. After reading the manual, if there is anything a battery needs to get healthy this thing does it! Woot!

I spend no less that 400 a year on batteries for the 4x4, lawnmower, RV$, cars/truck. Been an idiot procrastinating on getting something like these. :shake2:
DuTTch
11-08-2013, 07:47 PM
Terry do battery tenders go bad? I had one (a schumacher) hooked up but found a dead battery last week.
Maximal
11-08-2013, 10:25 PM
Got the 7002, and a .8

Tore into the 7002 today and it looks legit! Hooked her up on recondition mode. It analyzes the battery, and adjusts the voltage, and amperage to match the condition of the battery. After reading the manual, if there is anything a battery needs to get healthy this thing does it! Woot!

I spend no less that 400 a year on batteries for the 4x4, lawnmower, RV$, cars/truck. Been an idiot procrastinating on getting something like these. :shake2:

Thanks for the mini review! Keep us updated on how it goes from here.






Terry do battery tenders go bad? I had one (a schumacher) hooked up but found a dead battery last week.

Like anything they can break I suppose. Could also just be a bad battery too. If anything is going to bring it back it'd be the 7002.
Maximal
11-12-2013, 08:37 AM
Bump!!
TT4ME
10-25-2014, 07:09 PM
Back on top
Maximal
02-06-2015, 11:38 AM
Bump so you can get all those batteries that died over the winter up and running again. :)
Beef6
02-06-2015, 01:29 PM
Looks like the 4.3 is good enough for most application? Probably need 2 so I rather get 2 of the 4.3 instead of one 7002.
Maximal
02-10-2015, 02:33 PM
Looks like the 4.3 is good enough for most application? Probably need 2 so I rather get 2 of the 4.3 instead of one 7002.

Yeah, the 7002 really steps it up to a full out charger. The 4.3 will do charging but a bit slower and without as many fancy options while also maintaining.
CoopKill
02-10-2015, 03:04 PM
Will be adding 2 more .8 soon here.
Maximal
03-10-2015, 05:52 PM
Let's bump this again!