[PSUBS-MAILIST] 36vdc charger

[Cliff Redus via Personal_Submersibles]

I am not a battery expert but what I found best for me is to plug in the charger every week or so during the times between dives.

Sent from my iPhone

> On Mar 28, 2018, at 6:53 PM, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Cliff,         Once your batteries are all charged up do you leave the charger on all the time in maintenance mode?   I've been working on my sub for a couple of months since my last test and have not charged the batteries up for that time period.  I noticed when I turned the charger back on that it went into the "topping off " mode or "finishing"  where is was 90% charged.  do you think it's a good idea to just leave the charger on all the time in maintenance mode?
>  
> Brian
>  
>  
> 
> --- personal_submersibles at psubs.org wrote:
> 
> From: Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] 36vdc charger
> Date: Wed, 28 Mar 2018 16:43:23 -0500
> 
> I use a Zivan NG3 Onboard battery charger.  I have a 36VDC battery bank made up of 9 batteries organized with three sets 12 vDC batteries in series for 36V and each of the sets in parallel.
> 
> See code F7 CR. for model number for 36V bank.  Charge rate is 60 amps.  The time to recharge depends on SOC.  After typical dive day, I let it charge overnight.  This charger is good for psubs in that it understands our boats stay in the shop a lot and only need trickle charge for long periods of time to keep from killing batteries. 
> 
> I have this charger installed permanently in the boat.  Has a remote sensor that lets you see how the charge is coming along. 
> 
> Cliff
> 
> 
> 
> On Wed, Mar 28, 2018 at 2:38 PM, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> For those with 36v systems, what charger are you using?  How many amps?  How long to charge the bank of batteries?
> 
> 
> 
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