1、POWERFUL INNER CORE: With large capacity and high density lithium battery, with 1200mah capacity, so that your camera last longer, possess better quality and stronger performance 2、STRONG CASE: The battery body is connected by case, which is tight and strong, and can reduce drop damage. Using special fire retardant materials, the battery can maintain normal operation at high temperatures of up to 140 degrees Fahrenheit 3、SMART CHIP: The Li 42B 40B replacement battery has a built in PCM smart chip, which is equipped with multiple security protective function(such as excessive current protective function, overcharge protective function, short circuit overload protective function and other highest level of protective function) to protect the safety of camera 4、ECO FRIENDLY PROCESS: Surface Mounted Technology processing is used in Li 42B 40B rechargeable battery, which make the battery more accurate, and does not contain heavy metal materials, which is more environmentally friendly 5、FASTER CHARGING: The high performance battery cell is added to further improve the charging speed of the battery, which can quickly fill the power, the full decoding battery is used without error, and the power display is normal