2 EN-EL19 Battery +Dual LCD Charger for Nikon Coolpix S3700, Sony NP-BJ1 DSC-RX0 | eBay
Vivitar 650mah Replacement / Extra Battery for Nikon Coolpix S3700, S5200, S6500 | Nikon coolpix, Coolpix, Nikon
Amazon.com : Battery Pack for Nikon Coolpix S3400, S3500, S3600, S3700 Digital Camera : Electronics
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