Canon LP-E4 Rechargeable battery for select Canon EOS digital SLR cameras at Crutchfield
Amazon.com : DSTE Replacement for LP-E4N Li-ion Battery Compatible Canon EOS-1D X EOS-1D X Mark II EOS-1D Mark III EOS-1D Mark IV EOS-1Ds Mark III as LP-E19 : Electronics
Canon Battery Pack LP-E4
2 Pcs 3300mAH LP E4 LP E4 LP E4N Camera Battery + LCD Quick Charger for Canon EOS 1D Mark III,EOS 1D Mark IV,EOS 1Ds Mark III|Digital Batteries| - AliExpress
Amazon.com : Kastar LCD Dual Smart Fast Charger & Battery (2 Pack) for Canon LP-E4, LPE4 (11.1V 4400mAh 48.4Wh) and Canon EOS-1D C, EOS-1D Mark III, EOS-1Ds Mark III, EOS-1D Mark IV
Amazon.com : [Fully Decoded] Kastar 3-Pack LP-E19 Battery Compatible with Canon LP-E19 LP-E19N, LP-E4 LP-E4N, US 5751B002 Battery, Canon LC-E4 LC-E4N, LC-E19 LC-E19N Charger, Canon EOS 1D X Mark II, Mark 2
2pc 11.1v 3200mah Lp E4 Lp-e4 E4n Li-ion Batteries Accu For Canon Eos 1d Mark 3 Iii 1dx Mark 4 Iv 1dx Dslr Digital Camera - Digital Batteries - AliExpress
Amazon.com : DSTE LP-E4 Replacement Li-ion Battery for Canon EOS-1D C EOS-1D Mark III IV EOS-1Ds Mark III IV Digital Camera : Digital Camera Batteries : Electronics
1pc 3200mah Lp E4 Lp-e4 Lp E4n Li-ion Battery For Canon Eos 1d Mark Iii, Eos-1d Mark Iv, Eos 1ds Mark Iii, Eos 1d C, Eos 1d X - Digital Batteries -
NITECORE UCN4 PRO Battery Charger for Canon LP-E4, LP-E4N, LP-E19
Canon OEM LP-E4 battery for EOS-1D C EOS-1D Mark III IV EOS-1Ds Mark III IV | eBay
NITECORE UCN4 PRO Digital USB Charger, for Canon LP-E4, LP-E4N, LP-E19 Batteries
Kastar 4-Pack LP-E4 Battery 11.1V 4400mAh Replacement for Canon LP-E4 LPE4, US 5751B002 Battery, Canon LC-E4 LC-E4N Charger - Walmart.com
CANON LP-E4 LI-ION 11.1V 2300mAh Video Battery - Brooklyn Battery Works
Amazon.com : DSTE LP-E4 Replacement Li-ion Battery for Canon EOS-1D C EOS-1D Mark III IV EOS-1Ds Mark III IV Digital Camera : Digital Camera Batteries : Electronics
I found this battery pack LP-E4, but I don't trust the price - Canon EOS Mount - Photo.net
LP-E4 Battery for Canon EOS-1D MarkIII EOS-1D Mark IV EOS-1Ds Mark III 580EX | eBay
Amazon.com : DSTE LP-E4 Replacement Li-ion Battery for Canon EOS-1D C EOS-1D Mark III IV EOS-1Ds Mark III IV Digital Camera : Digital Camera Batteries : Electronics