Watson Duo Battery Charger for Canon LP-E19, LP-E4, and D-1547
Amazon.com : Powerextra LP-E4 Battery Compatible with Canon LP-E4N Battery and Canon 1D C 1D Mark III 1Ds Mark III Ds Mark IV Digital Camera : Electronics
Camera Battery Replacement for Canon LP-E4, LP-E4N - 2600mAh, 11.1V, Li-ion | 888400266
Canon LP-E4N Battery Pack – DigitalRev Store
Amazon.com : [Full Coded] Kastar LP-E4 Battery (1-Pack) 11.1V 4400mAh 48.4Wh for Canon LP-E4 LPE4 Li-ion Battery Work with Canon EOS-1D C, EOS-1D Mark III, EOS-1Ds Mark III, EOS-1D Mark IV Cameras :
Canon LC-E4 Nabíjačka pre akumulátor LP-E4 | PRO.Laika