https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/lithium-ion-battery-in-a-2005-EOS-1DS-camera/m-p/37898#M4512 <P>Hi RLNF!</P><P>&nbsp;</P><P>Thank you for posting!</P><P>&nbsp;</P><P>The only battery pack made for the EOS-1DS was the NP-E3 NiMH battery pack.&nbsp; We do not have a lithium ion battery pack for this model.</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 29 Aug 2013 10:44:55 GMT Mykolas 2013-08-29T10:44:55Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/lithium-ion-battery-in-a-2005-EOS-1DS-camera/m-p/37267#M4511 <P>Can you switch to a lithium ion batter on a 2005 EOS 1DS camera?</P> Mon, 19 Aug 2013 15:34:45 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/lithium-ion-battery-in-a-2005-EOS-1DS-camera/m-p/37267#M4511 RLNF 2013-08-19T15:34:45Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/lithium-ion-battery-in-a-2005-EOS-1DS-camera/m-p/37898#M4512 <P>Hi RLNF!</P><P>&nbsp;</P><P>Thank you for posting!</P><P>&nbsp;</P><P>The only battery pack made for the EOS-1DS was the NP-E3 NiMH battery pack.&nbsp; We do not have a lithium ion battery pack for this model.</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 29 Aug 2013 10:44:55 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/lithium-ion-battery-in-a-2005-EOS-1DS-camera/m-p/37898#M4512 Mykolas 2013-08-29T10:44:55Z