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. Battery selection is confusing. Leave the selection stress to the experts if you are really not sure. They are made with premium Lithium Ion cells and are rated as shown in the specifications. 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. Battery selection is confusing. Leave the selection stress to the experts if you are really not sure. Battery selection is confusing. Leave the selection stress to the experts if you are really not sure. Always check that both the model of your device and battery number match your original battery. Different chemistries of batteries have different cycle lives, Li-Ion usually lasts for around 400 to 500 cycles, Lithium Polymer is the same. Nimh batteries will usually last for around 500 cycles. A cycle is a full discharge and recharge of the battery. All safety components are included. This will make sure that you have a safe trouble free battery and that the operation of this replacement battery will be excellent. The specifications should be the same as or better than the original. Special Remarks:-None At This TimeYou would not believe exactly how many different models of battery there are available today for so many different products. Its so easy to make an ordering mistake. The product will still fit and charge as long as your device and battery number is listed.