3.7V, 900mAh, Li-ion Battery fits Yealink, W53, W53h, 3.33Wh

Battery Fits Models:- W53, W53h, W53p, W73, W73h, W73p

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Battery Part Numbers:- W53-batt, Yllp463346c800cls, Yllp523446c1010ctm

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This battery should be the same or greater capacity than the original battery. The battery shown will replace your original and provide you with an economical alternative to expensive OEM batteries; we also guarantee the battery to be fresh and free from defects.  Batteries come in all shapes and sizes; quite often, a single battery model will replace hundreds of other models. The manufacturers, in their wisdom, have assigned different part numbers to like batteries. We can usually cross-reference this product to the correct replacement for you.  Batteries come in all shapes and sizes; quite often, a single battery model will replace hundreds of other models. The manufacturers, in their wisdom, have assigned different part numbers to like batteries. We can usually cross-reference this product to the correct replacement for you.  Usually, we can confirm fitment for you. If you are not sure how to locate the correct information on your device, please get in touch with us, and we will identify the correct battery for you. If for any reason, the product develops a manufacturing defect during the 12 month warranty period, we will replace the defective item free of charge. Lithium-Ion and Lithium-polymer cells usually last for between 400 and 500 cycles; Nimh cells can be charged for around 500 cycles, cycle life will vary according to several different factors. There is no set life cycle of any of these cells. Factors that influence their lives include temperature, humidity, and charges.  The batteries we supply are manufactured to a very high standard. To keep our ISO 9001 certification, strict protocols need to be followed. This ensures that the replacement batteries are safe to use in the device they were designed for. This battery should meet or exceed the specifications of the original OEM battery. All of the known fitments for this product can be seen in the table below. Special Remarks:- None at this timePlease make sure that the device manufacturer, The model number, and the battery part number are all listed in our product details. Some manufacturers have more than one battery type fitted in like models. We recommend that you remove the original battery before ordering to confirm this. If you are not sure, we may verify for you.Do not be alarmed if the Mah (Milliamp Hour) is greater or less than the original. This figure stated is an estimation of the battery's capacity to store charge and will not affect the original equipment or charging.