Amazon.com : LI-40B Lithium-Ion Battery -Rechargeable Ultra High Capacity (800 mAh) - Replacement for Olympus LI-40B and LI-42B Battery : Digital Camera Batteries : Electronics
How to Improve Your Travel Photography on the Olympus PEN — Jay McLaughlin | Photographer
Amazon.com : LI-40B Lithium-Ion Battery -Rechargeable Ultra High Capacity (800 mAh) - Replacement for Olympus LI-40B and LI-42B Battery : Digital Camera Batteries : Electronics
Olympus TG-310 Overview: Digital Photography Review