Charge controller to charge my 6 Volts 4.5 Ah battery

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pmadithya

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Hi,

I have a Solar Panel having rating
5 Watt,
V(open circuit) 21.6 Volt
I(Short circuit) 0.32 Amps
V(mp) 17.3 Volt
I(mp) 0.29 Amps
Please suggest a suitable Charge controller to charge my 6 Volts 4.5 Ah battery.
 

The specs of your PV panel suggest it is meant for a 12V system. Although you can connect it directly to your 6V battery, and it will charge the battery at a safe rate (.3 A is C/15 for a 4.5 AH capacity)...

You should not allow it to overcharge the battery. In time there is risk that it will reduce the electrolyte level.

A commercial controller can handle the solar panel's output. But I believe they are made to see a 12V battery at its output. It may be confused by having a 6V battery hooked up... unless it has a setting to choose 6V rather than 12V.

Were you thinking of making your own controller?
 

Hi,

Yes i'm planning to make my own switch mode controller. So I need any DIP IC which I could use.
 

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