Amazon.com : Synergy Digital Camera Battery, Compatible with Canon EOS 40D Digital Camera Battery Lithium-Ion (1500 mAh) - Replacement for Canon BP-511 Battery : Electronics
Replacement Battery for Canon EOS 40D (1500mAh Li-ion 7.4V) - Walmart.com
Amazon.com: Synergy Digital Camera Battery, Works with Canon EOS 40D Digital Camera, (li-ion, 7.4V, 1500 mAh) Ultra Hi-Capacity, Compatible with Canon BP-511 Battery : Electronics
Canon EOS 40D Digital DCA001 1500 mAh Digital Camera Battery - BattDepot United States
Amazon.com : Battery Pack for Canon EOS 5D, EOS 20D, EOS 20Da, EOS 30D, EOS 40D, EOS 50D Digital SLR Camera : Electronics
BM Premium BP-511 Dual Battery Charger for Canon EOS 5D, 50D, 40D, 20D, 30D, 10D, Digital Rebel, 1D, D60, 300D, D30, Kiss, Powershot G5, Pro 1, G2, G3, G6, G1, Pro90 is,
BP-511 511A Battery or Charger for Canon EOS 40D 300D 5D 20D 30D 50D camera | eBay
Amazon.com : Kastar Li-ion Battery for Canon BP-508 BP-511 BP-511A BP-512 BP-514 and EOS-20D EOS-D30 EOS 30D EOS 40D EOS 50D EOS 300D EOS Kiss FV300 FV40 G-1 MV-300 MV-300i MV-30i MV-400i
New Digital Camera Part for Canon 40D 50D Battery Door Cover Unit Part
Replacement camera Battery BP-511 for Canon EOS 5D 50D 40D 30D 20D 10D 300D | MeiKe Store
5Pcs BP-511 BP511A 2500mAh Rechargeable Battery / Batteries For Canon EOS 40D 300D 5D 20D 30D Digital Camera - AliExpress
Pickle Power 1900mAh BP-511 BP-511A Battery for Canon EOS 40D 300D 5D 20D 30D 50D
BG-40D Vertical Battery Grip for Canon EOS 50D 40D 20D 30D Camera Replace as BG-E2N BG-E2
BP-511 BP-511A Li-Ion Battery for Canon EOS 40D 50D 5D 20Da 663250734608 | eBay
Amazon.com : DSTE Replacement for Pro BG-E2N Vertical Battery Grip + 2X BP-511 Battery Compatible Canon EOS 40D 20D 30D 50D SLR Digital Camera : Electronics
BP-511A 511 Battery for Canon EOS 20D 40D 50D 300D BP-512 BP-514 MV750i Camera | eBay
Canon EOS 40D Battery Replacement
Amazon.com : LP-E6 LPE6 Battery for Canon 40D 50D 60D 5D Mark II 7D : Digital Camera Batteries : Electronics
Canon EOS 40D Date and Time Battery Replacement - iFixit Repair Guide
Amazon.com : Synergy Digital Camera Battery, Compatible with Canon EOS 40D Digital Camera Battery Lithium-Ion (1500 mAh) - Replacement for Canon BP-511 Battery : Electronics
Amazon.com : Synergy Digital Camera Battery, Compatible with Canon EOS 40D Digital Camera Battery Lithium-Ion (1500 mAh) - Replacement for Canon BP-511 Battery : Electronics
Canon EOS 40D Battery - Camera Batteries – CutRateBatteries.com