Canon SPEEDLITE EL-1 Advanced User's Manual page 231

Power source
Battery Pack LP-EL
Battery pack
* AA/LR6 alkaline batteries and Ni-MH batteries cannot be used
Battery level
Provided (display in 5 levels)
indicator
External power
Supported
source
Maximum flash
Approx. 335 - 2345
count
* With a fully charged Battery Pack LP-EL
Radio
transmission
Approx. 17 hours continuously
wireless shooting
* With sender flash firing disabled, and using a fully charged Battery Pack LP-EL
time
Idle time before auto power off
When set as a sender in optical
When set as a receiver in radio or
Auto power off
Standby before power ON after auto
power off when set as a receiver
The Speedlite is reactivated in response to the following operations.
• Pressing the camera shutter button halfway
• Pressing the test flash button
Dimensions / Weight
Dimensions
Weight
Operation environment
Working
temperature 0 - 45°C / 32 - 113°F
range
Working humidity 85 % or less
All specifications above are based on Canon's testing standards.
Product specifications and the exterior are subject to change without notice.
Status
During normal operation
wireless operation
When set as a sender in radio
wireless operation
During linked shooting
optical wireless operation
Product
Body
Product
Body only
Custom Function
C.Fn-01-0
C.Fn-01-0
C.Fn-01-0
C.Fn-01-0
C.Fn-10-0
C.Fn-10-1
C.Fn-11-0
C.Fn-11-1
W × H × D (approx.)
84.4 × 149.0 × 136.4 mm / 3.32 × 5.87 × 5.37 in.
Weight (approx.)
572 g / 20.18 oz.
231
Time
Approx. 90 sec.
Approx. 5 min.
Approx. 60 min.
Approx. 10 min.
Approx. 8 hr.
Approx. 1 hr.