aspheric mag question

3D black mag · Jun 16, 2009

Hi I a making a 3D aspheric maglite and I will be using a cree Q5. I a going to be using a very large homemade heatsink. I was just wondering if I direct drive it at 4.5 volts without it blowing will it effect the bulb life or brightness?

can anyone help me with this?

3D black mag

LukeA · Jun 16, 2009

You should use an AMC7135 board to limit the current. Otherwise you will see a very short part life.

TigerhawkT3 · Jun 16, 2009

4.5V as in three alks? Those should sag down to a safe level. You'll get better performance with NiMHs. A solid 4.5V without a current limiter would probably blow the P7.

LukeA · Jun 16, 2009

TigerhawkT3 said:
4.5V as in three alks? Those should sag down to a safe level. You'll get better performance with NiMHs. A solid 4.5V without a current limiter would probably blow the P7.

3 D alks will wildly overdrive an XR-E.

aspheric mag question

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