As one of the worlds most successful third party battery manufacturers Cameron Sino have been certified and approved by multiple authorities. There products are all verified and tested for safety. Lithium Ion and Lithium polymer cells typically will last for between four hundred and five hundred cycles, Nimh cells have the ability to be charged for around five hundred cycles, cycle life will vary according to a number of different reasons. The actual life cycle of any of these batteries is not precise and failure can occur at differ times on like cells. Factors that influence their life include temperature, humidity and amount of charges. In order for Cameron Sino to maintain their status as a ISO 9001 factory strict protocols need to be followed. This battery should meet or exceed the specifications of the original equipment battery. Most of the devices that this product is known to replace can be seen in our information displayed here. Some manufacturers have more than one battery type fitted in like models.