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Sigma DP1 - Wikipedia
Usb Ac/dc Power Adapter Camera Battery Charger+pc Cord For Sigma Dp1 Quattro Dp1q Dp2 Merrill Dp2m Dp3 Merrill Dp3m Mc11 - Mobile Phone Adapters & Converters - AliExpress
Sigma BP-51 Battery (2-Pack) and Dual Charger by Wasabi Power