Rayovac PS73-4BT6  7-Hour Power Back Up for iPhones, Android, and Micro-USB Mobile Phones
You'll never have to be without POWER again. Rayovac's 7-Hour Power Back Up Power Pack has enough power to give your device a complete charge, and it provides up to seven hours of instant mobile power. This 7-Hour Power Back Up Power Pack comes complete with cords and batteries. Get your power from every day, readily available alkaline batteries. Using Rayovac Alkaline Batteries, it's a powerful external battery for your mobile device. This product is great for storm preparation, emergencies, travel, keep your game going or just getting to the end of your day worry-free. Use the power you need and let the fuel gauge keep you in control. Keep one in your car, purse, kid’s backpacks, briefcase, emergency cabinet, etc. The more batteries you have, the more power you have. Battery provides up to 2 hours talk time