BM 2 EN-EL19 Batteries for Nikon Coolpix A300 W100 W150 S3300 S3500 S3 – Big Mike's Electronics
Amazon.com: Synergy Digital Camera Battery, Works with Nikon Coolpix W100 Digital Camera, (Li-Ion, 3.7V, 1000 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL19 Battery : Electronics