Originally Posted by
Jay-gon Jinn
You won't need 10.1 volts....in this case, you'd wire up the led's in a parallel circuit (all share common positive and negative connections), which will maintain the forward voltage of all three led's as if they were one (@3.5v). You'd still need about 3A to power them. Each led will need it's own resistor, as well. A single 18650 Li-Ion would be the best solution, or if there's room in the saber, two in parallel. This will give you fairly short runtime, though since the battery has a cpactiy of either 2600mAh or 3400mAh, depending on which one you use.
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