There's no-one better to than us for your battery needs. Ideally both your model number and battery number are listed in the product description if this is the case you can be almost certain that you are ordering the correct battery. Ideally both your model number and battery number are listed in the product description if this is the case you can be almost certain that you are ordering the correct battery. It only takes a moment and it will save you time in the long run. Top quality cells are used in all products but all cells have a cycle life. You can expect that a Lithium Ion or a lithium Polymer cell will last for around 400 cycles, Nimh can be cycled for a around five hundred cycles. Its always best to charge your battery only when it gets low. Continual charging will reduce the overall life expectancy of your battery. The ISO 9001 certification means that the battery uses high quality components, Each cells rating can be seen in the table above. This aftermarket battery is designed to replace the models shown below. Check for both the battery number and model. Special Remarks:-None at this time. With over twenty thousand different batteries its difficult to keep our records as up to date. The product will still fit and charge as long as your device and battery number is listed.