24 Volt Solar Battery Charger

Talking about a 12v deep cycle battery, as would be used on a trolling motor. Am trying to figure out how large a solar charger I need.
I have seen as large as 6 watts. For whatever reason they do not list the amps. Calculating it, 6 watts...

It depends on what size of battery you have.

First, a little background. To charge a battery properly in a way that prolongs battery life, you charge in 3 phases:

bulk phase - "heavy lifting" phase. Most of the

2006-11-21 20:21:10 by impresn

A quick overview of my new solar system. The heart of the system is the 20 watt solar panel, hooked up to an 8 amp charge controller. I use the ...

If I have (6) 12 volt batteries wired in series for a total of 72volts. I am thinking about buying a solar charger that is 18 - 24 volts. Do I have to have 3 of these solar panels wired in series to charge the batteries? What will happen if I...

When a panel says 18 volts out, that's the most you'll get out of it. So if you connect it to 72 volts, either no current will flow, or worse, current will flow the wrong way.

I suspect the panel you have in mind is very low power....

2009-01-12 14:55:30 by uptwospeed

I have a home made 24 volt electric cart. It is powered by two 12Volt deep cycle batteries. Since the motor runs on 24 volts the batteries are wired in series to produce the 24 volts. I only have a 12 volt battery charger, but I also have two...

If the panels are the same, there is no problem in putting them in series. If you examine the panels, they will be made up of about 36 identical cells in series. Ok, now you have 72 cells in series, fine if they are the same.

You...

2009-04-18 19:17:38 by jeremy

I have a 10 inch portable tv and the battery only last a couple of hours. I was wondering how much power it would take to run my tv. I want to purchase a lightweight solar charger and i am not sure what i would need. the Tv requires 24 watt to run...

Your TV needs at least 24W to operate, that means you will need 24W solar panel or more if you want to run the TV in real time while the sun is out. Then you will need to wire charge controller between the panel and your TV to regulate the...

2010-02-10 16:51:30 by hello

I have a childs electric car, for the 4-6 year old. It runs on a 6V 4.5 Ah sealed lead acid battery. This car came from Spain and has only a 220V charging unit that cannot, of course, plug into a standard American outlet. When I got it the...

The battery is doing what good sealed lead acid batteries do; slow decline in voltage after being disconnected from the charger.. Battery sounds good.

There are several things you can do:

Use the 220v you have in...

2008-08-17 07:38:04 by italo

This is a simple 5 watt solar panel that I am hooking up to a cigarette plug to charge my batteries on my truck that I don't drive much. The panel puts out 24 volts. How do I convert it to 12 volts?

Converters are shown in the link below.

However, most solar panels are 12 volts. I am thinking your have two panels connected in series to get 24 volts. It that is the case perhaps there is a way to wire them parallel instead of...

2008-05-19 13:24:44 by Joe N