How does it work? 1. Place your battery under the YIBOYUAN clip with battery contacts facing pins. 2. Line up your battery`s positive and negative contacts to the pins. A: Most batteries are labeled positive (+) and negative (-). B: If yours is not, start with the outside contacts. 3. Slide the battery until the both pins are touching the battery contacts. A: The LCD will light up if it has a good connection. B: If not, adjust the pins and try again. 4. The battery is fully charged when the LCD shows four solid bars. Package include: 1x Universal Battery Charger with USB Output Note: 1. Don not plug the charger into the wall outlet yet. 2. Align YIBOYUAN`s Connect pins with the contacts on your battery. 3. For batteries with more than 2 contact points, start with the two outer contacts(left most and right most contacts). 4. Now slide your battery into YIBOYUAN`s pins.Make sure YIBOYUAN`s contact pins are touching the contacts on your battery. 5. "LCD" light indicates good connection,you have setup the charger correctly for this battery. 6. If the "LCD" lights does not indicate good connection,slide to another battery connection.(not all batteries will work,this charges approx 90% all digital camera,cell phone and other msic batteries) 7. Now plug the universal battery only charger into a wall outlet. 8. The "LCD" light will start flashing while the battery being charged.If its not flashing its not charging! 9. The "FULL" LCD light will indicate a fully charged battery. 10.Totally dead batteries will not be seen or charged