Lead Acid 60V Charge Voltage?

[rg12]

All of the lead acid chargers I've seen just say Output: 60V unlike the LiIon chargers that state the max charge and not the nominal.

 

[john61ct]

What is your question?

Likely designed for cheap FLA, but good ones will have at least a FLA | GEL | AGM switch to change both Absorb and Float voltages

Better ones might have a dozen profiles to choose from.

The best are fully user-custom adjustable, sometimes even allowing current to be de-rated.

Only way to know if you don't have easy access to the maker's tech staff, nor good documentation, is to actually measure with a DMM, and compare with the mfg specs published for your batteries.

 

[rg12]

What is your question?

Likely designed for cheap FLA, but good ones will have at least a FLA | GEL | AGM switch to change both Absorb and Float voltages

Better ones might have a dozen profiles to choose from.

The best are fully user-custom adjustable, sometimes even allowing current to be de-rated.

Only way to know if you don't have easy access to the maker's tech staff, nor good documentation, is to actually measure with a DMM, and compare with the mfg specs published for your batteries.

My question is simple, I want to know what is the output voltage of a lead acid charger for 60V (5pcs 12V in series).
Just like a 16S 60V Li Ion charger output 67.2V, I would like to know what is the fully charged voltage of the same for lead acid.

 

[john61ct]

As I stated, there is no one setpoint, each lead chemistry even battery model varies, you need to find out for **your** batteries whether a given charger is suitable or not.

I would not use a charger designed for lead on a LI chemistry unless it were the user-custom adjustable type

and even then the fact that the "Float" feature usually cannot be disabled, means you must terminate charging manually.

 

[john61ct]

Based on Trojan FLA, a pretty mainstream batt, between 72 and 74V is likely for 30S.

Based on GEL, as low as 70V.

But those are all Absorb setpoint, Float is much lower.

 

[rg12]

Hmm...so if I order a chinese lead acid charger, what voltage should I expect?
Will it be different for every charger?

 

[john61ct]

Anything is possible, except consistency.

Do not order without a promise to hold a specific setpoint.

I would think a decent vendor would adjust voltage to your requirement.

Again do not expect a "charger" designed for lead to be any more useful for LI than a dumb PSU

 

[rg12]

Anything is possible, except consistency.

Do not order without a promise to hold a specific setpoint.

I would think a decent vendor would adjust voltage to your requirement.

Again do not expect a "charger" designed for lead to be any more useful for LI than a dumb PSU

I see, thanks alot mate