How high should my charger go?

scottyb · 08-22-2018, 09:37 AM

54v ÷ 24 cells is 2.25 which is a minimum charge. Not saying that is bad but it is a minimum. Trojan Battery says this battery can safely charge to 2.71 or 65 volts like my on-board Lester does.

2.25 vpc would be well suited for AGM or "sealed" batteries.

hyper1 · 08-22-2018, 12:10 PM

Well I did see 53.6 before I went into the house, charger was flashing. I cam out a about 2 hours later and it was around 52.8 but the charger was off, solid green light. Maybe it got higher and I did not see it. I will check it though. Thanks

Also sorry for the high jack, this is not my thread but I asked a question and I am sorry to the OP for that.

cgtech · 08-23-2018, 12:25 AM

Here's a little data I just pulled from Trojans website.

hyper1 · 08-23-2018, 06:57 AM

Well last night I check my cart with a new charger, same thing showing 53.6 volts. But I heard batteries boiling so I went and got a multimeter. It showed 59+ volts. Dash gauge still showed 53.6. I went back to old charger and got the same thing 59+ charging. So I guess the dash gauge doesn't read higher than 53.6. I let it sit and checked it with both and the gauge was at 52 volts and the multimeter read 52 also so the guage works below 53.6. Pictures attached

NCPW · 08-23-2018, 08:42 AM

Time for a new dash voltmeter.

I've had one that did the same thing. Read very low. Replaced it with the same brand and it read .3-.4 low but I can live with that.

scottyb · 08-23-2018, 09:58 AM

FYI - batteries are gassing not boiling. It sounds similar but it is different. Gassing is required during bulk charge to remix the elements. Without the gassing the battery capacity will diminish

hyper1 · 08-23-2018, 01:03 PM

Quote:

Originally Posted by NCPW

Time for a new dash voltmeter.

I've had one that did the same thing. Read very low. Replaced it with the same brand and it read .3-.4 low but I can live with that.

Meter is brand new, just put it in last weekend. It just doesn't go above 53.6 which is fine as long as it reads right off charge.

hyper1 · 08-23-2018, 01:08 PM

This is what I have

What Is In The Package:
One 48V blue digital volt meter. This voltage meter will give you a real time voltage reading from your batteries. You will never have to risk being stranded from your batteries going dead. 1x Instruction

Display Color: Blue
Dimensions: 1.6" x 1" x 0.79"
Refresh Rate: 0.5 Second
Design: Waterproof, Dust-proof, Shock-proof
Voltage Range: Up to 56V
Model #: DV48VB

https://i.ebayimg.com/images/g/Y~cAA...t~Go/s-l64.jpg

hyper1 · 08-23-2018, 01:09 PM

This is the one I bought:

https://www.ebay.com/itm/Golf-Cart-4...53.m2749.l2649

It said it goes up to 56v and is for a 48v system

hyper1 · 08-23-2018, 01:11 PM

Quote:

Originally Posted by scottyb

FYI - batteries are gassing not boiling. It sounds similar but it is different. Gassing is required during bulk charge to remix the elements. Without the gassing the battery capacity will diminish

Thanks then it seems everything is ok then. Also have you ever heard of these batteries?

08-22-2018, 09:37 AM	#11
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,399	Re: How high should my charger go? 54v ÷ 24 cells is 2.25 which is a minimum charge. Not saying that is bad but it is a minimum. Trojan Battery says this battery can safely charge to 2.71 or 65 volts like my on-board Lester does. 2.25 vpc would be well suited for AGM or "sealed" batteries.

08-22-2018, 12:10 PM	#12
hyper1 Getting Wild Join Date: Mar 2018 Location: Georgia Posts: 91	Re: How high should my charger go? Well I did see 53.6 before I went into the house, charger was flashing. I cam out a about 2 hours later and it was around 52.8 but the charger was off, solid green light. Maybe it got higher and I did not see it. I will check it though. Thanks Also sorry for the high jack, this is not my thread but I asked a question and I am sorry to the OP for that.

08-23-2018, 08:42 AM	#15
NCPW Just Gone Join Date: Sep 2015 Location: North Carolina Posts: 3,549	Re: How high should my charger go? Time for a new dash voltmeter. I've had one that did the same thing. Read very low. Replaced it with the same brand and it read .3-.4 low but I can live with that.

08-23-2018, 09:58 AM	#16
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,399	Re: How high should my charger go? FYI - batteries are gassing not boiling. It sounds similar but it is different. Gassing is required during bulk charge to remix the elements. Without the gassing the battery capacity will diminish

08-23-2018, 01:08 PM	#18
hyper1 Getting Wild Join Date: Mar 2018 Location: Georgia Posts: 91	Re: How high should my charger go? This is what I have What Is In The Package: One 48V blue digital volt meter. This voltage meter will give you a real time voltage reading from your batteries. You will never have to risk being stranded from your batteries going dead. 1x Instruction Display Color: Blue Dimensions: 1.6" x 1" x 0.79" Refresh Rate: 0.5 Second Design: Waterproof, Dust-proof, Shock-proof Voltage Range: Up to 56V Model #: DV48VB https://i.ebayimg.com/images/g/Y~cAA...t~Go/s-l64.jpg

Today
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08-23-2018, 01:09 PM	#19
hyper1 Getting Wild Join Date: Mar 2018 Location: Georgia Posts: 91	Re: How high should my charger go? This is the one I bought: https://www.ebay.com/itm/Golf-Cart-4...53.m2749.l2649 It said it goes up to 56v and is for a 48v system

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