Amazon.com: Kastar 1-Pack EN-EL19 Battery and AC Wall Charger Replacement for Nikon EN-EL19 ENEL19 Battery, Nikon MH-66 MH66 Charger, Nikon Coolpix S6500, Coolpix S6600, S6700, S6800, S6900 Digital Camera : Everything Else
Nikon EN-EL19 replacement battery options review
Amazon.com: Synergy Digital Camera Battery, Works with Nikon Coolpix S2900 Digital Camera, (Li-Ion, 3.7V, 1000 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL19 Battery : Electronics