En-el19 Enel19 3.7v 1200mah Camera Battery For Nikon Coolpix S100 S3100 S3200 S3300 Digital Camera Rechargeable Li-ion Battery - Digital Batteries - AliExpress
Kit: 2x Battery EN-EL19 + USB Single Charger | Jupio
4Y7OAD8 Progo Brand EN-EL19 Professional Li-Ion Rechargeable Digital Camera Battery for Nikon Coolpix S4100