Amazon.com: Synergy Digital Camera Battery, Works with Nikon Coolpix S9900 Digital Camera, (Li-Ion, 3.7V, 1050 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL12 Battery : Electronics
Amazon.com : Kastar Battery (X2) & LCD Slim USB Charger for EN-EL12, ENEL12, MH-65 Coolpix S9900, S9700, AW120, S9500, AW110, S70, S9600, S6300, S6200, S8100, S9100, S800c, S31 Digital Cameras + More :
Camera battery for Nikon Coolpix S9900 S9700 S9600 MH-65 P300 P310 P340 B600 ++ 814733011031 | eBay
BM Premium EN-EL12 Battery and Charger for Nikon Coolpix S9300, S9400, – Big Mike's Electronics
Amazon.com : STK EN-EL12 Battery for Nikon Coolpix A900 AW130 AW120 S9900 S9500 W300 S9700 S9600 S6000 S8200 AW110 S9100 : Digital Camera Batteries : Electronics