Amazon.com: Pentax Optio S1 Digital Camera Battery Charger (110/220v with Car & EU adapters) - Replacement Charger for Nikon EN-EL11, & Pentax DLI-78 Battery : Electronics
Nikon 1 s1 Charger
CITYORK 2 Pack EN-EL20a Battery with LCD Dual USB Charger for Nikon Coolpix P1000, 1 j1, 1 J2, 1 J3, 1 S1, 1 V3, Coolpix A, Coolpix A1 - Newegg.com
En-el8, Enel8 El8 Camera Battery + Charger For Nikon Coolpix P1, P2 , S1, S2 , S3 , S5 , S50, S50c, S51, S51c, S52. - Digital Batteries - AliExpress
Nikon Coolpix S1 Battery Charger - Car Charger for Camera Batteries (Polycarbonate Charger) – BoxWave
Source KingMa EN-EL20 850mAh Battery Pack and Dual USB Charger for Nikon Coolpix A 1 J1 J2 J3 AW1 S1 V3 Camera on m.alibaba.com
BM Premium Pack of 2 ENEL20, EN-EL20a Batteries and USB Dual Battery Charger for Nikon Coolpix P950, P1000, DL24-500, Coolpix A, 1 AW1, 1 J1, 1 J2, 1 J3, 1 S1, 1 V3 Digital Camera
Amazon.com: EN-EL8 USB Charger for Nikon Coolpix S52c, P1, P2, S1, S2, S3, S5, S50, S50c, S51, S51c, S52, S6, S7, S7c, S8, S9 Camera and More : Electronics