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Batteries & Chargers Discuss Li-P, Li-Ion, NiMh, Nicad battery technology and the chargers that juice 'em up!

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Old 06-01-2014, 01:33 AM   #1
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Default Lipo lament

I recently purchased an rtf Flyzone Beaver with the 1800 mah battery and a spare 2200 for backup...when I charge them the charger never reads charged...any ideas what causes this? I've tried them on 2 different chargers with the same results.
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Old 06-01-2014, 02:24 AM   #2
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Originally Posted by Beaverstretcher View Post
I recently purchased an rtf Flyzone Beaver with the 1800 mah battery and a spare 2200 for backup...when I charge them the charger never reads charged...any ideas what causes this? I've tried them on 2 different chargers with the same results.
take a Multimeter and check the individual cell voltages at the balance plug, you could have a weak/bad cell, if not, then your battery chargers are not up to snuff. what battery chargers do you have. cheapy battery chargers are more problems then what they are worth.

I may be getting Older, But I Refuse to grow Up I am Having to much Fun to Grow Up LOL
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Old 06-01-2014, 02:50 AM   #3
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I have the electrifly balancing chargers that came with my planes...they charge my 1300 mah just fine but the 1800 and 2200 don't ever go red for full charge...will run to the shop for my meter shortly.
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Old 06-01-2014, 03:50 AM   #4
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Originally Posted by Beaverstretcher View Post
I have the electrifly balancing chargers that came with my planes...they charge my 1300 mah just fine but the 1800 and 2200 don't ever go red for full charge...will run to the shop for my meter shortly.

I Think you need a stronger charger, the electrifly chargers only charge at about 120ma, here is a nice inexpensive 6 AMP charger that a lot of people like and it wont break the bank

http://www.hobbyking.com/hobbyking/s...cessories.html

I may be getting Older, But I Refuse to grow Up I am Having to much Fun to Grow Up LOL
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Old 06-01-2014, 04:47 AM   #5
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Originally Posted by CHELLIE View Post
I Think you need a stronger charger, the electrifly chargers only charge at about 120ma, here is a nice inexpensive 6 AMP charger that a lot of people like and it wont break the bank

http://www.hobbyking.com/hobbyking/s...cessories.html
Hi Chellie
Could you re-check that web page? Don't think it works.

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Old 06-01-2014, 04:49 AM   #6
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Try it again Denny.....works fine here.
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Old 06-01-2014, 04:54 AM   #7
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http://www.nitroplanes.com/73p-ac680-accharger.html

Or equivalent will work very well.

You have to check the site regularly because these sell out as fast as they come in. These chargers have a great reputation and Nitroplanes just can't get then fast enough to keep up with demand.

Turnigy (Hobby King) has the same charger just a different label. When ordering from Hobby King make sure you choose the closest warehouse and watch the shipping charge.
(Nitroplanes shipping isn't cheap either but cheaper than from Hong Kong to Texas...)
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Old 06-01-2014, 04:56 AM   #8
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Originally Posted by DEG View Post
Try it again Denny.....works fine here.
Strange, still no go.

Guess I'll have to reboot my PC and try it again

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Old 06-01-2014, 07:37 AM   #9
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Originally Posted by DEG View Post
Try it again Denny.....works fine here.
Rebooted my PC, still no go. Rebooted my cable and modem, and, got it back!

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Old 06-01-2014, 07:51 AM   #10
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I use an IMax ACB6. It's cheap and has been going strong for 3 years.
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Old 06-01-2014, 08:09 AM   #11
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Thanx folks for the assistance..I'm a noob at electric and just got back into flying after a 17 year break...I'll be looking into one of these as soon as I can wrestle the CC from the wifes death grip :-)
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Old 06-01-2014, 09:00 AM   #12
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Get the Accucel from Hobby KIng ... they are a good machine ... and get a power supply as well ... minimum 5A ... on Ebay you can buy Mains adaptor supplies that are made for LED light strips ... I have a 6A one for my 6 ... works a treat.

I advise against the AC versions of chargers - those that have mains adaptor built in ... I have a ACB6 and the mains part failed first year .. which is not uncommon. So now it works same as my standard B6 - with separate 12v input. Much better to have separate ...
The charger overall is smaller.

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Old 06-01-2014, 09:26 AM   #13
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yeah, the problem with those ultra cheapo chargers that come with RTF models is that their cell balancing current is so low that they often fail to complete the charge because they cant balance the cells, especially on larger batteries than they were originally intended for.

The B6 or Accucell is a lot better and fine if you don't ever intend flying anything larger than about 2200 3s and/or you don't want to charge multiple batteries together. Personally my recommendation would be for a charger that had more power to better cover future growth, say one of these: http://www.hobbyking.com/hobbyking/s...e_Charger.html

While it is three times the cost it has six times more power of the Accurately-6, so far better bang for buck in terms of watts per $. It's also far quicker if you want to drain batteries down for storage and it's balancing current is higher. It will also do stuff like cell resistance checking that's lacking in the cheaper chargers.

But it depends on your budget of course.
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Old 06-01-2014, 11:18 AM   #14
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I hear the latest Acc 6 now has IR cell checking as well ...

For about $10 more - the Acc 8 is not so bad ...

Nigel

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Old 06-01-2014, 02:42 PM   #15
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Originally Posted by kyleservicetech View Post
Hi Chellie
Could you re-check that web page? Don't think it works.
Hi Denny The link works, you might have your security set up to high on your comp.

I may be getting Older, But I Refuse to grow Up I am Having to much Fun to Grow Up LOL
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Old 06-01-2014, 03:24 PM   #16
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Again , thank you all for your input and speedy responses...I live at least a 5 hour drive from the nearest hobby stores or clubs so your advice is highly valued !
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