Universal battery charger for you to use to charge your cell phones, PDAs and digital camera batteries regardless of size, capacity and shape. This universal battery charger can save you all the other chargers of different types. You can use the Universal battery charger to charge different cell phone, PDA or camera batteries at home, in the office or when travelling. And it allows you to test the positive / negative connection for your battery before you begin charging. Also, no power is applied to the battery if the polarity (positive / negative) is reversed to prevent short-circuiting the battery. Spring-hinge clip holds battery in place while it is being charged. Advanced CMOS microcontroller chip manages the charging process for safe, rapid and reliable battery charging. Suitable for any cell phone, PDA, PDA cell phone and digital camera batteries.