Note: Batteries with the type designation B21N1818 are available in four different shapes! Please check before purchasing to make sure that this item matches the shape of the battery you are replacing.
Common data
Condition
New
Manufacturer
Original directly from Asus
Color
black
Technical Data
Battery type
intern
Battery technology
Li-Polymer
Capacity
4212 mAh / 32 Wh
Output (volt)
7.6 Volt
Number of cells
2 Cells
Battery Quality
Category
Category
Batteries
Usage
Laptop
Videos & Contributions
50 AX509C
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Why are there different capacities on the battery?
We keep receiving inquiries regarding several performance data in mAh on the supplied batteries. Which performance value is relevant for the notebook owner for the runtime in battery mode?
Why are notebook batteries often a few years old when you buy them?
If original notebook batteries are available, we also use them for repairs. But very often we get a question from customers who take a closer look at the label on the battery, why the notebook battery is so old.
Whether old or new, often used or dust catchers, notebook batteries are prone to defects. It is therefore important to take various measures to maximize capacity and service life.