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
BM EN-EL19 Battery & Charger for Nikon Coolpix S3100 S3200 S3300 S3500 – Big Mike's Electronics
BM 2 EN-EL19 Batteries and Charger for Nikon Coolpix S3500 S3600 S3700 – Big Mike's 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
Intelligent Dual Purpose DC Vehicle and AC Home Wall Charger suitable for the Nikon Coolpix S3700 -
Amazon.com : Kastar Compatible Battery 2 Pack Replacement for Nikon EN-EL19, Sony NP-BJ1 Battery and Nikon Coolpix S2700 S2750 S2800 S3500 S3600 S3700 S5200 S5300 S6600 S6700 S6800 S6900 S7000, Sony DSC-RX0