Adding a sense of style and extra battery life to your Moto Z Droid and Moto Z Force Droid is a snap with the TUMI Wireless Charging Power Pack Moto Mod. The Moto Mod, which supports wireless charging+, gives your device up to an extra day's worth of battery life* without bulking it up. Recharge without slowing down Snap the Power Pack on and recharge on the run. Forget about fumbling with batteries or searching for open wall outlets. Just snap and go. Becomes one with your phone Just snap on the sleek design and keep using your phone as you normally would. The Power Pack seamlessly integrates with your phone so you hardly know it's there. Get almost a full day of extra power Equipped with a 2220 mAh battery, the Power Pack gives your phone up to 22 additional hours (20 ROW) of battery life* whenever you need it. Leave the Moto Mod on to extend your phone's battery life. Or, attach it to recharge when you're running low. Conserve power for when you need it most Get up to 20 percent more battery life by enabling Efficiency Mode.** The Power Pack communicates with your phone and automatically starts charging when efficiency is at its peak. No more wires The Moto Mod is compatible with universal wireless charging, you can enjoy the freedom and convenience of cutting the cord.