Amazon.com: AC Power Adapter Camera Battery Charger + USB PC Sync Cable Cord for Nikon Coolpix S9200 S3700 S3500 S3200 S3100 S3000 : Electronics
Double Port Micro Gomadic Car / Auto DC Charger suitable for the Nikon Coolpix S3100 - Charges up to 2 devices simultaneously with Gomadic TipExchange Technology