I need some specific details on how and what to use to be capable of charge 2-4 18 volt battery pack for black and decker cordless batteries. I requirement to know what size of panels, watts, and how this adjectives can be built!
Answers:
You want a complete design and BOM? this forum is too limited for that detail.
How much current do you inevitability to charge the batteries? How hurriedly do you want to charge them? What if the sun is not shining? What will you do with the power from the panel when you are not charging your battery-operated?
You can get a 85 watt panel for $450 to grant you an idea. With the right converters, this can make available you 4 amps at 18 volts. Perhaps too much? It puts out 18 volts which is about what you want.
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Answers:
You want a complete design and BOM? this forum is too limited for that detail.
How much current do you inevitability to charge the batteries? How hurriedly do you want to charge them? What if the sun is not shining? What will you do with the power from the panel when you are not charging your battery-operated?
You can get a 85 watt panel for $450 to grant you an idea. With the right converters, this can make available you 4 amps at 18 volts. Perhaps too much? It puts out 18 volts which is about what you want.
Related Questions:
How do I replace battery contained by an RC motor next to a solar panel?
I wish to replace two 1.5V AAA batteries used in an RC vehicle by connecting a 6V, 50mA solar panel. My electronics is rusty and I need help in describing how to do this beside adding resistors, if this is at all possible. Thanks in credit....