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>> Home > Forum > Electrical Related > BATTERY CHARGING
BATTERY CHARGING
(298 views)
Author Message
GYJOE
(Sub-Lieutenant)





Forum Posts: 23
31st May 2017 15:30  
>> Permalink
mdlbt.com/29517

Hi All,
I would like to charge HT 12-12 (12V 12AH/20 HR Battery while still in position in model,I know this is not the done thing but I would be open to any advice,would I damage my ESC ?!!!
Regards
Joe

Lezz50
(Seaman)





Forum Posts: 2
31st May 2017 16:46  
>> Permalink
mdlbt.com/29520

Hi I have two boats both with 12 v 7 AH both battery's charged in side boats. Maintenance done twice a year removable on battery's and motors etc
Never had a problem as yet with ESC or anything else

Dave M
(Fleet Admiral!)





Forum Posts: 1244
31st May 2017 17:31  
>> Permalink
mdlbt.com/29522

Hi Joe
I would not have the ESC and charger attached at the same time.
You could use a heavy duty double pole two way switch or just unplug the ESC and plug in the charger, best option in my opinion.
Mains chargers for SLA batteries will limit the voltage and current but they are susceptible to transient surges from the mains which could produce a similar surge to the ESC if connected.
You should also be aware that Lead Acid batteries (includuing SLAs) can in certain circumstances give off highly explosive gas and in an enclosed space any spark could result in a big bang that would not be good for the model or anyone in close proximity.
If you really have to charge in the boat make sure there is plenty of air space and take care when attaching and removing the leads. This applies to the charger and the ESC leads...
Take care
Dave


Live long and prosper

Dave
GYJOE
(Sub-Lieutenant)





Forum Posts: 23
1st Jun 2017 15:12  
>> Permalink
mdlbt.com/29555

Hi Lads,
Many thanks for advice,think Iwill disconnect ESC just to be on the safe side
Regards
JOE