Lithium-ion batteries provide a reliable power source that can be recharged and used until the battery oxidizes and loses its capability to provide power. This 1200mAh Li-ion Battery is a best choice for you.This makes lithium-ion batteries the natural choice for devices that require a lot of power such as laptop computers, digital cameras and cell phones. Certain precautions help prolong the life of the battery so that it can provide a strong charge for the longest period possible to the devices you're powering. This is a Li-ion Battery 1200mAh for Walkie Talkie PX-777. Stay powered up for a long time.The 1200mAh Battery has the longest performance with no memory effect, highest quality, it is 100% compatible with original equipment. So what are you still waiting for?