Sigma SD Battery Charger Kit for SD9 & SD10 Digital SLR Cameras Two BP-11 Rechargeable CR-V3 Type Lithium-Ion Batteries BC-11 Battery Charger CR-V3 Type Li-ion Rechargeable Battery BP-11 is exclusive to SD9 and SD10 digital SLR cameras It takes about 120-minute to fully charge a battery with dedicated Battery Charger BC-11