Universal USB Clip Charger for use with 3.7V Li-Ion Batteries By Lenmar Ultra compact USB battery charger keeps your camera, camcorder & mobile phone batteries powered up Adjustable contacts allow you to charge virtually any 3.6V or 3.7V Lithium-Ion battery Lightweight & easy to use - clip to your battery, plug the pivoting USB connector into any standard USB port & you're ready to charge 1 year warranty Easily charge a variety of batteries for cell phones, digital cameras, camcorders & many others Place the battery within the Clip, align contacts to match (+) & (-) indicators & plug into any USB port for charging