Amazon.com: HQRP 4-Pack Rechargeable NiMh Battery Compatible with Canon PowerShot A550, A560, A570 is, A580, A590 is, A60 Digital Camera : Electronics
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Amazon.com: Synergy Digital Camera Batteries and Charger, Compatible with Canon Powershot A560 Digital Camera Charger Replacement of 4 AA NiMH 2800mAh Rechargeable Batteries, with Charger : Electronics
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Gomadic Portable External Battery Charging Kit suitable for the Canon PowerShot A540 Includes Wall; Car and USB Charge Options