3.7V, 1100mAh, Li-ion Battery fits Avaya, 3700 Ex, Dect 3740, 4.07Wh

Battery Fits Models:- 3700 Ex, Dect 3740, Dect 3749

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Battery Part Numbers:- 1220187, 660273/1b

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Canadian Batteries have supplied the replacement batteries from Cameron Sino for nearly a decade. We have had zero instances of a product being damaged while using one of our batteries in that time. We supply generic replacements for the OEM batteries; we have had thousands of satisfied customers using these batteries as an economical alternative to the original manufacturer's battery. 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. A 12 Months warranty is usually standard on our Cameronsino products. It will be stated in the information box if it is different. How long will my new battery last? This is tough; many factors will determine your new battery's longevity. As a rough guide, you should get around four to five hundred charges out of your new battery. How can I be sure that this battery is safe? ISO 9001 certification means that our factories never take shortcuts with the manufacture of our batteries. All safety components are included. This ensures the safe, trouble-free operation of this replacement battery. The specifications should be the same as or better than the original.  The devices that this battery is known to fit can be seen in our listing below. Special Remarks:- None at this timeThere are three critical pieces of data that you will need to confirm this battery's fitment in your device. You will need the model of your device, The battery number - found on the original battery, and the manufacturer. This is the only way to be 100% sure this is the correct battery.Our battery may have a different Capacity to your original, either to increase the runtime of the product or due availability of cells. The product will still fit and charge as long as your device and battery number are listed.