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Original question:

Drive led from li ion battery

Single li io battery charging from less power solar cell

Jo Varghese
Prodigy 160 points
Other Parts Discussed in Thread: BQ24210

I need to charge li ion battery from solar cell and it's output like be 7V,70mA

Iqm using 3.7V , 1000 mAh battery and also I don't need to fully charge my battery through solar cell at least 60% charging is sufficient.

Because my application just need 120 mAh load current for 4 hr.

1000×60%= 600mah

600mAh/6hr= 100mah

100*3.7/5.6=66mA

So pls help me to find a better device