For: Speedlite EL-1 The large capacity promotes fast recharging and gives you the assurance that you are always ready for the next socket. For optimal comfort, the LP-EL charges with our LC-E6/LC-E6E battery charger*, which comes standard with many EOS cameras. Thanks to the electronic circuit that communicates with your Speedlite, you always know the remaining charge. A single charge allows you to trigger up to 335 flashes at full power when used with our EL-1, and you can count on approximately 300 charge/discharge cycles. A single charge allows you to trigger up to 335 full power flashes when used with our EL-1, and you can count on approximately 300 charge/discharge cycles