Amazon.com : Synergy Digital Camera Battery, Works with Nikon Coolpix P510 Digital Camera, (li-ion, 3.7V, 1100 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL5 Battery : Electronics
Amazon.com : Nikon Coolpix S3100 Digital Camera Battery Lithium-Ion (1000 mAh 3.7V) - Replacement for Nikon EN-EL19 Battery : Digital Camera Battery Chargers : Electronics
Amazon.com : Synergy Digital Camera Battery, Works with Nikon Coolpix 5700 Digital Camera, (li-ion, 7.4V, 850 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL1 Battery : Electronics