14.4V, 4400mAh, Li-ion Battery fits Lenovo, Ideapad U450, Ideapad U450a, 63.36Wh

Battery Fits Models:- Ideapad U450, Ideapad U450a, Ideapad U450p, Ideapad U550, Ideapad U550a

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Battery Part Numbers:- L09l4b21, L09l8d21, L09s4b21, L09s8d21

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Our equivalent battery is made with premium cells and is rated as shown in the specifications on the product page. Batterybuyer.com supplies some of the world's best generic replacement products available in the world today. If you are not sure which battery you need to order, contact us first. We can confirm the fitment for you. Please be prepared to give us as much data as possible to decide the best product for your device. If you are not sure which battery you need to order, contact us first. We can confirm the fitment for you. Please be prepared to give us as much data as possible to decide the best product for your device. Confirm the fitment of this battery by checking that your model and your battery number are shown in the details below. A 12 Months warranty is usually standard on our Cameronsino products. It will be stated in the information box if it is different. You should expect your new battery to last between 400 and 500 cycles. A cycle can be described as a full charge and discharge. Different chemistries can be charged and discharged in an additional amount of time.  This replacement High-Quality battery is rated as shown in the table above; all of our replacement batteries are designed specifically to replace the OEM battery in your device. Our batteries are manufactured to a very high standard to enhance the performance of your device. The batteries are designed with high-quality components by our ISO 9001 certified factory. All of the known fitments for this product can be seen in the table below. Special Remarks:- None at this timeConfirm that all the details listed below match your original battery before ordering. Some models have more than one battery type available, and the only way you can confirm the correct battery is to remove the original.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.