All Metal Black Camera Hand Grip for Olympus OM-D E-M10 Mirrorless Digital Camera with Battery Access – Fotodiox, Inc. USA
Olympus E-510 Four Thirds DSLR Camera Body {10MP} at KEH Camera
File:Olympus E-620 with battery grip.jpg - Wikipedia
Amazon.com: Replacement for Olympus E-510 Battery and Charger - Compatible with Olympus BLM5 BLM-01 Digital Camera Batteries and Chargers (1620mAh 7.4V Lithium-Ion) : Electronics