Dynamite Speedpack2 6-Cell 7.2V, 1200mAh NiMH Side by Side Battery Packs provide the latest in Nickel-Metal Hydride technology, at an extremely affordable price point. Additionally, Speedpack 2 batteries are fully compatible with the Dynamite Dashboard app. The Dynamite Dashboard app seamlessly integrates the batteries with the Dynamite Passport Series of chargers and brings real-time monitoring to your mobile device.