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Question:

5V120mA solar panel how to do the charger

5V120mA solar panel how to do the charger

Answer:

Then buy a Schottky diode, the function is anti-backflow. But the current 120mA, under normal light in the 80-100mA or so, full of battery to a long time. Such a long time off the phone is not good Oh. Might as well buy a solar charger, full of it, and then use it to charge the phone better. Have
Stop prompts can not be charged or are charging. Because the phone internal charging circuit will check the charging line voltage and current, fail to restart the charging process. It is best to find a lithium battery, and a boost circuit
6V solar panels on hand do not know how much area, can provide the number of mA current, if only 100mA below the current, then directly connected to the phone, the market most of the phone is not charging, charging will not
the charger internal battery (usually lithium battery) charge. When used, open the internal boost constant current circuit (boost to 5V current limit 500mA can), the phone charge
The principle of solar cell phone charger: solar radiation to the solar panels, solar panels, the effect of generating voltage (the open circuit voltage must be greater than the maximum safe voltage battery),

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