Nikon Coolpix S3100 Battery - Replacement for Nikon EN-EL19 Digital Camera Battery (700mAh, 3.7V, Lithium-Ion) Replacement Nikon Coolpix S3100 Battery Replacement for Nikon EN-EL19 Digital Camera Batteries Lifetime Warranty Capacity: 700mAh, Upstart Battery Brand On Sale for a Limited Time!