Power up your flash lighting game with this compact battery pack set from Canon. The CP-E4 model is perfect for photographers who need an extra boost of power for their flash units. This set includes two battery packs, each with their own case and attachment, making it easy to use and transport. Designed specifically for Canon cameras, this battery pack set is a must-have for any photographer who wants to take their flash lighting to the next level. With its powerful batteries and easy-to-use design, you'll be able to capture stunningly lit images with ease. Whether you're a professional or an amateur, this battery pack set is sure to impress.