stingr4y
Newbie level 2
Hi there, I am attempting to charge a Li-ion battery with a 10w 18v solar panel, however the charging requirement of the battery is 16v at 3.75A (think laptop battery!) so the 10W panel is insufficient to charge the battery even in direct sunlight.
I know the obvious answer is a bigger solar panel, however the appliance I would like to run off it is relatively low in power requirement (4.5v at 1.5A), so I wondered if there was an alternative solution
I had considered charging a smaller battery and linking it to the main battery on a timer such as the 10w panel would charge the small battery, the timer would trip and then then the main battery would draw its power requirement. Cycle ad infinitum....
Would this be a viable solution or could I use some kind of capacitance circuit to achieve this end???? anything you could suggest would be handy.
Many thanks, Raymond.
I know the obvious answer is a bigger solar panel, however the appliance I would like to run off it is relatively low in power requirement (4.5v at 1.5A), so I wondered if there was an alternative solution
I had considered charging a smaller battery and linking it to the main battery on a timer such as the 10w panel would charge the small battery, the timer would trip and then then the main battery would draw its power requirement. Cycle ad infinitum....
Would this be a viable solution or could I use some kind of capacitance circuit to achieve this end???? anything you could suggest would be handy.
Many thanks, Raymond.