Some Dell models are available with a 3- or 4-cell battery. Please compare this battery with the one installed in your device. The 4-cell battery can only be used if no additional 2.5" hard drive is installed.
Battery 41Wh original (3 cells) suitable for Dell 15 DC15250
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.