Pentax Optio S1 Digital Camera (Chrome) 15906 B&H Photo Video
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Battery Charger for Pentax D-LI78, DLI78 and Pentax Optio S1, V20, L50, M50, M60, W60, W80 Digital Camera - AliExpress
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Pentax Optio S1 Battery and Charger with Car Plug and EU Adapter - Replacement for Pentax D-LI78 Digital Camera Batteries and Chargers (750mAh, 3.7V, Lithium-Ion) - Walmart.com
HDR and HD video for under $200 with the Optio S1 digital compact
Amazon.com : D-LI78 USB Charger for Pentax Optio L50, Optio M50, Optio M60, Optio S1, Optio V20, Optio W60, Optio W80 Camera and More : Electronics