If you have the battery model number this is probably the most sure fire way to identify the correct replacement battery for your device. Some batteries can easily be identified from just the model of the device but some can be harder to identify. Battery Fits Models:- A1688, A1700, A1633, A1691, Iphone 6s Battery Part Numbers:- 616-00036 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. If you have the battery model number this is probably the most sure fire way to identify the correct replacement battery for your device. Some batteries can easily be identified from just the model of the device but some can be harder to identify. If you have the battery model number this is probably the most sure fire way to identify the correct replacement battery for your device. Some batteries can easily be identified from just the model of the device but some can be harder to identify. You can be absolutely sure that this particular battery will fit your device by checking the information shown in the tables below. 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. This aftermarket replacement battery is rated as shown in the table above, The Cameron Sino range of batteries are designed specifically to replace the original battery that is in your product. All their batteries are manufactured to a very high standard to enhance the performance of your device. The batteries are designed with high quality components by Cameron Sino's ISO 9001 certified factory. Most of the devices that this product is known to replace can be seen in our information displayed here. With over twenty thousand different batteries its difficult to keep our records as up to date.