New Helmet Bike Light Design

After the first CREE lamp melted the encasing and blew the lamp, It was time to get serious about the heat issue.
This new design employs a aluminum tube to both act as protection and a heat sink for the CREE lamp. Heat shrink holds the transparent plastic cover whilst providing a water shield.

Heat Ruins All

The first test of the CREE Helmet Bike Light, failed within 5 min.
I should have known better, 4.8 Watts gets hot!

A plastic bottle is such a clever idea now.

CREE Superbright LED Bike Helmet Light

Seeing is believing, believing a bike light could be this small yet be so bright and last so long.

Held in this photo, is a USB chargeable battery holder. 4 AA 2400 mAh nickel metal hydride batteries.

Although not yet fully tested, I'll show you in this blog how the testing goes and to make your own.