Energizer’s 223 (crp2) is designed and built to power energy-hungry cameras, keeping your flash at full charge and your camera rolling. Lithium chemistry provides 10 years of shelf life, ensuring your spare batteries won’t go to waste. This battery is jam-packed with 1500mAh of capacity, plenty to keep your camera on all day long. Magnesium contributes extra stability to the battery chemistry, keeping you and your devices safe.