To Users of Canon Speedlite and Macrolite Products and Accessories
Notification Regarding Use of (AA/R6) Lithium Batteries
Thank you for using Canon products.
AA/R6 Lithium batteries cannot be used with any Speedlite or Macrolite products and compact battery packs including those listed below because certain AA/R6 lithium batteries, in rare cases, may become extremely hot during usage in such products.
Speedlite 270EX II
Speedlite 430EX II
Speedlite 580EX II
Macro Ring Lite MR-14EX
Macro Ring Lite MR-14EX II
Macro Twin Lite MT-24EX
Compact Battery Pack CP-E2
Compact Battery Pack CP-E3
Compact Battery Pack CP-E4
Contact Information for Inquiries
For information on this matter, please contact your nearest Canon Customer Service Centre.