BP-511: 7.4v 2600mAh Li-ION battery for CANON digital — Batteries America
Amazon.com : ProMaster Li-ion Battery for Canon BP-511A, (Model 9767) : Digital Camera Batteries : Electronics
Amazon.com : Canon Original Genuine Battery Pack BP-511 BP 511 Akku Batterie Li-ion 20D 30D 40D 5D : Electronics
Amazon.com : FirstPower BP-511 BP-511a Battery 2-Pack 2200mAh and Dual USB Charger for Canon EOS 5D 10D 20D 20Da 30D 40D 50D 300D D30 D60 and More Camera : Electronics
BP-511A BP-511 Battery or Charger For Canon EOS 5D 20D 30D 40D 50D BP-512 BP-514 | eBay
Battery Canon Eos 50d Bp 511a | Canon Battery Charger Bp 511a - 2pcs Bp-511 Bp511 511 - Aliexpress
Canon BP-511A Battery for 40D, 50D, and 5D Price Watch and Comparison
Battery Canon Eos 50d Bp 511a | Canon Battery Charger Bp 511a - 2pcs Bp-511 Bp511 511 - Aliexpress
Amazon.com : Watson BP-511A Lithium-Ion Battery Pack (7.4V, 1400mAh) : Digital Camera Batteries : Electronics
Kastar BP-511 Battery for Canon EOS 5D 10D 20D 20Da 30D 40D 50D 300D D30 D60 | eBay
Amazon.com : UltraPro Canon BP-511/BP-511a/BP-512 High-Capacity Replacement Batteries with Rapid Travel Charger for Canon Digital Cameras : Digital Camera Accessory Kits : Electronics