Our battery should have the same special dimensions and design as the original battery, the fit and finish is checked to be as close as possible to the original model before dispatch. Batteries come in a variety of different formats, often a single model of battery will actually replace hundreds of other models in a multitude of different devices. The manufacturers of many devices have assigned different part numbers to like batteries. Batteries come in a variety of different formats, often a single model of battery will actually replace hundreds of other models in a multitude of different devices. The manufacturers of many devices have assigned different part numbers to like batteries. Always check that both the model of your device and battery number match your original battery. What's the average life of a Lithium Ion or Lithium Polymer battery? Usually it is around 400 cycles for Lithium Ion and usually this is the same for Lithium Polymer. Slightly different is Nimh, It should last for around 500 cycles. (cycling a battery means to discharge and recharge.) Its not a common known fact that a cycle will still be used, even if only partially discharged then recharged. Its good practice to run the battery low and recharge when the battery reaches about 10% of its charge left. This will extend the life of the battery and maintain its capacity for charge. You are guaranteed a very high quality replacement battery with ISO 9001 certifications when you purchases a battery from us. The batteries here are designed to be as reliable and as safe as the original manufactured battery. Cameron Sino actually manufacture batteries for many original equipment companies. The only difference is that a different label that is installed. Most of the known fitments for this product can be seen in the information below.