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lipos not fully charging?

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paul coleman 131/05/2019 18:25:08
103 forum posts

Hi,All of a sudden my turnigy 3300 4s charge up to 85%,not 99 or 100 like they did a couple of weeks ago,i have some overlanders which are only charging up to 45% too,when they are fully charged,puzzled!!!

Martin Gay31/05/2019 18:38:25
428 forum posts
256 photos

Are you balance charging them?

paul coleman 131/05/2019 19:30:07
103 forum posts

yes martin.i dont understand it,its just started doing it,theres no faults coming up,and it flashes full at 16.80v

Dwain Dibley.31/05/2019 19:43:06
1715 forum posts
1673 photos

Where are you getting %ages from ? A battery checker ?

Can you monitor how much your charger puts back in, my ones give a figure for this. If so discharge a battery ( run the motor for 5 mins) and see if the charger replaces what you've taken out. if this is spot on or near, then it's your checker.



paul coleman 131/05/2019 19:52:09
103 forum posts


Former Member31/05/2019 20:48:38
8080 forum posts

[This posting has been removed]

Dwain Dibley.31/05/2019 21:12:21
1715 forum posts
1673 photos

I am 100% sure that Percy is a Cheeky Chappie, don't you think so Paul.... cheeky


paul coleman 131/05/2019 21:43:42
103 forum posts

hahahaha,whatevers going on its doing my head in now,must be an intermittent fault with the charger,as its coming up with a fault saying reverse polarity,then connection break,but all leads are correct,i just dont get it,may invest in a quad charger,rather than use a para board,the sky rc Q200,Looks a good set at 160 quid.

paul coleman 131/05/2019 21:46:06
103 forum posts

i currently have the overlander rc6 vsr 80w 7 amp,a top selling one for around 45 quid,ive had it just over two years,must be time for the bin maybe!!

paul coleman 131/05/2019 21:46:57
103 forum posts

you get what you pay for i suppose gents!

Trevor31/05/2019 21:53:25
569 forum posts
66 photos

Methinks it’s time to replace your balance board smiley

paul coleman 131/05/2019 22:01:09
103 forum posts

hi trevor,ive tried charging them separately,and still goes into fault.

paul coleman 131/05/2019 22:03:06
103 forum posts

its funny really,when i give it a bang on the work top,it starts working hahahahaha,there are no loose connections,so has to be an internal faultsurprise

Dwain Dibley.31/05/2019 22:09:06
1715 forum posts
1673 photos
Posted by paul coleman 1 on 31/05/2019 22:03:06:

its funny really,when I give it a bang on the work top, it starts working.

surprisesurprise If in doubt give it a clout.....................laugh

It does sound like it's time for an upgrade Paul.

On a serious note tho, you do have to look after lipo's, cos they can burn your house down Matey.

Take care buddy.


paul coleman 131/05/2019 22:12:02
103 forum posts

yes cheers dwain,i keep checking on them,whilst on charge in the garage,i put them in a lipo bag while they charge,helps i suppose.

Dwain Dibley.31/05/2019 22:15:15
1715 forum posts
1673 photos

Good Man. thumbs up


John Lee01/06/2019 09:33:31
865 forum posts
114 photos
Posted by paul coleman 1 on 31/05/2019 22:03:06:

its funny really,when i give it a bang on the work top,it starts working hahahahaha,there are no loose connections,so has to be an internal faultsurprise

Please, the correct terminology is 'percussive maintenance'. I seem to recall the Apollo spacecraft had a rubber hammer on board for just these sort of tasks.

Nigel R01/06/2019 12:13:28
4450 forum posts
717 photos

I've always known it as the technical tap.


I've gone through two rc6 chargers, they've simply expired when used within rated capacity. I don't think they're that great build quality.

Edited By Nigel R on 01/06/2019 12:13:46

malcolm woodcock 101/06/2019 14:09:18
423 forum posts

It was 'impact technology' where I was.

paul coleman 101/06/2019 18:03:07
103 forum posts

Problem solved,i have invested in a sky rc Q200 Quad charger,its the dogs,you know what.

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