Amazon.com: Synergy Digital Camera Battery, Works with Nikon Coolpix S3700 Digital Camera, (Li-Ion, 3.7V, 1000 mAh) Ultra Hi-Capacity, Compatible with Nikon EN-EL19 Battery : Electronics
2x Replacement Camera Battery for Nikon Coolpix S3700 Coolpix S33 Coolpix S6700 | eBay
Battery For Nikon Coolpix S3700 Digital Camera | TechnaMart
Battpit: Digital Camera Battery Replacement for Nikon CoolPix S3100 (700 mAh) EN-EL19 3.7 Volt Li-ion Digital Camera Battery - Walmart.com