solar battery charger

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amperage?
type of battery?

do you have a solar panel? voltage? amperage?
 

A coin cell is usually a low current Lithium cell that IS NOT rechargeable. A CR2016 Lithium cell is 3V and can provide almost 0.1mA for 800 hours when its voltage has dropped to 2.6V or for 900 hours when its voltage has dropped to 2.0V.
It can provide pulses of 6.8mA for 2 seconds, 12 times per day. Then it drops to 2.0V after a total of 85mAh.

A CR2032 coin cell is also Lithium and IS NOT rechargeable. It can provide almost 0.2mA for 1283 hours when its voltage has dropped to 2.0V.
It can provide pulses of 23mA for 1ms on, 14ms off then it drops to 2.0V after a total of 170mAh.
 
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