Cree has further up-graded its XP-G lighting LED, to version 3. XP-G3 delivers 31% more lumens and 8% higher lm/W that the XP-G2. “XP-G3 LED improves the lumen density, voltage characteristics and reliability of previous XP-G generations,” said Cree, claiming over 205 lm/W at 350mA and up to 863 lm at 2A will be available …