11.4V, 4100mAh, Li-Polymer Battery fits Acer, Chromebook 311 C721 R721t, Chromebook Spin 311 R721t, 46.74Wh

Battery Fits Models:- Chromebook 311 C721 R721t, Chromebook Spin 311 R721t

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Battery Part Numbers:- Ap18k4k, Kt.0030.4013

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This battery should be the same or greater capacity than the original battery. 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. If both your model number and battery number are listed in the product description, you can be almost sure that you are ordering the correct battery. If we say it will fit and both these details match your product, and it still does not fit, we will exchange or refund the battery at our expense. If both your model number and battery number are listed in the product description, you can be almost sure that you are ordering the correct battery. If we say it will fit and both these details match your product, and it still does not fit, we will exchange or refund the battery at our expense. Check out the details below and ensure that your model and battery number are shown in the tables below. A 12 Months warranty is usually standard on our Cameronsino products. It will be stated in the information box if it is different. As a rough guide, lithium Ion batteries can be charged around 400 times, Nimh usually around 500 times, and Lithium-polymer around 400 times.  Being an ISO 9001 certified factory means that the Cameron Sino range of batteries must be manufactured with only the highest quality components. You can rest assured that the batteries we supply are thoroughly tested in the devices they are designed for and built with the same safety protocols as the original OEM battery. This replacement battery is designed to replace the models shown below. Special Remarks:- None at this timeYou must check that you are going to order the correct battery. To be certain of fitment, make sure that the battery number, device model, and manufacturer are listed in the description. This is the only guarantee that this is the correct battery. Contact us if you would like us to confirm for you.Sometimes there may be a variance in the capacity of our batteries compared to the original. Usually, this depends on the availability of the cells contained within.