Specification: Battery Type: Li-ion Battery Condition: Brand New Warranty: 12 Months. If you have any issue, please contact us through the seller's after-sales service, we will help you resolve the problem. Replacement Part Number: 121500191 45N1184 45N1185 4ICR18/65 4ICR19/66 L12L4E55 L13M4A01 L13L4A01 Compatible NoteBook: B40 Series B50 Series N40 Series N50 Series M4400 Series V4400 Series Eraser B40 Series Eraser B50 Series Eraser N40 Series Eraser N50 Series Eraser M4400 Series Eraser M4450 Series IdeaPad B40 Serie IdeaPad B50 Series IdeaPad N40 Series IdeaPad N50 Series IdeaPad M4400 Series IdeaPad M4450 Series IdeaPad V4400 Series IdeaPad V44 . Note: In the process of using the laptop battery, when the charge is about to run out, please plug in to fill the charge in time. Generally, the battery is so set that only 10% charge remains , it will remind the user to charge the battery again, if 5-6% charge is left, the computer will be in a state of dormancy, if the computer is this state, you must charge the battery in time, please don't let this state remain for too long, if over a certain period (1-2 days), the laptop will be in a state of low voltage, in this case, the laptop can't charge the battery, the battery can't be used on the common laptop any more. it is dead so special device is needed to activate the battery. Therefore, to avoid unnecessary troubles, please charge the battery in time if the computer warns that the battery needs chargeing.
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