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External Flash Battery Hot-Shoe Flash Battery Pack for Speedlite Canon 600EX, 600EX II-RT, 550EX, 580EX, MR -24EX. Replaces Canon CP-E4
Specifications Dimensions (W*H*D) Approx. mm inch) (body only) Weight Approx. 400 g (14 oz.) (without batteries) Flash fired 10 times in 8.55 seconds One time flash fired in 0.85 second. Flash fired 15 times in 13 secend One time flash fired in 0.87 second. Flash fired 20 times in 19 secend One time flash fired in 0.95 second. Package 1 * External Flash Battery Pack 1 * Carrying Case (12 AA batteries not included)

Price is $79.00
Price: $79