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Curiously Strong Bike Light - 400 lumen Cree LED ALTOIDS

Step 4Solder the BuckPuck and LEDs in Parallel

Solder the BuckPuck and LEDs in Parallel

The Cree XR-E Star LEDs have very wide solder tabs, clearly labeled + and -. For the battery pack shown (less than 6 volts input into the buckpuck) wire the LEDS in parallel. If you have a higher voltage input you can wire the LEDS in series as shown below.

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