1200mAh NP-BJ1 EN EL19 Battery with Charger for Nikon EN-EL19, Coolpix 3700 S5200 S3100 S2800 S3400 S6600 W100 S2600 S2700 S3500 - AliExpress
Amazon.com : Synergy Digital Camera Battery, Compatible with Nikon Coolpix S7000 Digital Camera, (Li-Ion, 3.7V, 1000 mAh) Ultra High Capacity, Replacement for Nikon EN-EL19 Battery : Electronics