The Nikon MH-66 Battery Charger charges your EN-EL19 li-ion battery off the camera and is compatible.

Compatible cameras: COOLPIX S100 / S2700 / S2750 / S3100 / S3300 / S3400 / S3500 / S3700 / S4100 / S4300 / S4400 / S5200 / S5300 / S6400 / S6500 / S6800 / S7000 / S32 / S33 / A300 / W100 / W150