I'm hoping this group is willing to give information freely because I have very little to give back. In reading a few of the posts, I can already see that you are all way over my head. I do have the very basics of DC circuitry down.
Please read what I am planning to do and what I have to work with, and please post any criticism, both positive and negative.
I wish to build a 12v underwater dive light with a rechargeable battery pack.
Here is the commercial product that I would like to replicate.
http://www.diverite.com/products/catalog/lights/lt6400mr11-ss
Materials I plan on using:
I have the 10w HID light head and bulb
I have a large supply of 3.6v LiIon cells
I have a 20v 4.5A DC power supply for the charging
My original question was going to be "How can I make 12v out of 3.6v cells" but in reading this forum, I found that the forward voltage drop of a diode is .7v...
Can I put 4 cells (14.4v) and 3 (2.1v drop) diodes in series to get me to 12.3v??
how close does the voltage have to be to 12v without damaging my expensive HID light.
If this is possible, how can I charge the circuit with diodes in the way?
Again, I apologize for asking so much and giving so little. Any help is appreciated.
Thanks
Please read what I am planning to do and what I have to work with, and please post any criticism, both positive and negative.
I wish to build a 12v underwater dive light with a rechargeable battery pack.
Here is the commercial product that I would like to replicate.
http://www.diverite.com/products/catalog/lights/lt6400mr11-ss
Materials I plan on using:
I have the 10w HID light head and bulb
I have a large supply of 3.6v LiIon cells
I have a 20v 4.5A DC power supply for the charging
My original question was going to be "How can I make 12v out of 3.6v cells" but in reading this forum, I found that the forward voltage drop of a diode is .7v...
Can I put 4 cells (14.4v) and 3 (2.1v drop) diodes in series to get me to 12.3v??
how close does the voltage have to be to 12v without damaging my expensive HID light.
If this is possible, how can I charge the circuit with diodes in the way?
Again, I apologize for asking so much and giving so little. Any help is appreciated.
Thanks