4400 mAh A battery's capacity is indicated in the unit milliampere-hour (mAh). The higher the amount of mAh, the longer your battery can be used after every charge before it is empty again. So it does not matter if the mAh amount matches your original battery or not.
11.1V This battery can be used as a replacement for your current battery with a voltage of 10.8, 10.9V, 11V or 11.1V
The 4400 mAh 11.1 V battery comes with 12 months warranty. Besides this, we offer a unique 30-day money back guarantee: in case you are not satisfied with the product, for whatever the reason, you can always return it and get your money back.
Quality and safety
This 4400 mAh 11.1 V battery contains advanced technical components and has been tested according to strict CE safety standards. The 4400 mAh 11.1 V battery contains a chip that prevents overcharging and short-circuiting. Next to this, the 4400 mAh 11.1 V battery is made from high quality cells that do not suffer from a so-called 'memory effect'.
Do you use your Notebook extensively? Buy a second battery for your MSI MD42489. This way you will always have extra capacity with you, preventing you from being without power for longer when you're on the go.
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The 4400 mAh 11.1 V battery is factory fast. Batteries lose performance over their lifetime, even when they are not used. Many importers and resellers store their batteries in stock for a long time before they are sold. BatteryUpgrade.com makes sure that the ordered battery can be shipped directly after production by working together with the manufacturers. So you can be sure that you will get a brand new high quality battery!
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