3 watt 36 v LED light with 36 v battery.

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Member
2009-01-18 7:42 pm
Oslo
Hi,
I have this huge 36 volt 3 watt led light that I plan to use as a front headlight on my e-bike to light up the forest. I tried it for a few seconds connected directly to the 36 volt battery (42 volt fully charged). Is there some special consideration I should do to protect the light and battery, or can I just connect it directly permanently? I plan to use a regular table lamp switch on the cable for on/off. Maybe a fuse? Anything else?
 

Rewind

Member
2009-01-18 7:42 pm
Oslo
Thank you, this is why I asked. Any suggestion how to limit the current from the 36V 10Ah battery?
Here is the info about my Led light:

Maximum forward current is 830 mA. Power is 30 watt. I am looking for something more elegant than wasteful resistors.
 

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