3.8V, 2400mAh, Li-Polymer Battery fits Infocus, M521, 9.12Wh

Battery Fits Models:- M521

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Battery Part Numbers:- Up130039

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The Cameron Sino range of batteries are historically the most reliable and cost-effective generic batteries we have ever supplied; they are designed with safety as a priority and will last as long as the originals. Our batteries from Cameron Sino are built using the highest quality components manufactured by the world's leading factory. This battery will function the same as the OEM battery. If you have the battery model number, this is usually the best way to identify the correct replacement battery for your device. Some batteries can easily be placed from just the model of the device. Some are much harder to pin down. If you want to make 100 Percent sure of fitment, we offer a guaranteed fitment service. Just contact us, and we will decide for you. If you have the battery model number, this is usually the best way to identify the correct replacement battery for your device. Some batteries can easily be placed from just the model of the device. Some are much harder to pin down. If you want to make 100 Percent sure of fitment, we offer a guaranteed fitment service. Just contact us, and we will decide for you. Confirm the fitment of this battery by checking that your model and your battery number are shown in the details below. Most of our products come with a one-year warranty unless otherwise stated. The one-year warranty that we offer covers any manufacturing defect. Please note that the warranty does not cover damages due to misuse of the battery nor diminishing run time due to normal wear and tear. 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.  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.  Take a look at the products table below and find the models this battery will replace. 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.If the battery's capacity is different from that of your original, this does not mean that ours does not match; it just means that our replacement battery will store slightly less or slightly more charge than the original.