8858X Laptop Battery Replacement for DELL Inspiron 14R-4420

Replace Part Number:
8858X?

Compatible Laptop Model:
For DELL Latitude E5420 ,E5430 ,E5520 ,E5530 ,E6420 ,E6430 ,E6520 ,E6530 Series
For DELL Inspiron 14R-4420 Series
For DELL Inspiron 14R-5420 Series
For DELL Inspiron 14R-5425 Series
For DELL Inspiron 14R-7420 Series
For DELL Inspiron 15R-4520 Series
For DELL Inspiron 15R-5525 Series
For DELL Inspiron 17R-4720 Series
For DELL Inspiron 17R-5720 Series
For DELL Inspiron 14R-SE-4420 Series
For DELL Inspiron 14R-SE-5420 Series
For DELL Inspiron 14R-SE-7420 Series
For DELL Inspiron 15R-SE-4520 Series
For DELL Inspiron 17R-SE-4720 Series
For DELL Inspiron 4420 Series
For DELL Inspiron 4520 Series
For DELL Inspiron 4720 Series
For DELL Inspiron 5420 Series
For DELL Inspiron 5425 Series
For DELL Inspiron 5525 Series
For DELL Inspiron 5720 Series
For DELL Inspiron 7420 Series
For DELL Inspiron 7520 Series
For DELL Inspiron 7720 Series
For DELL Inspiron M421R Series
For DELL Inspiron M521R Series
For DELL Inspiron N4420 Series
For DELL Inspiron N4520 Series
For DELL Inspiron N4720 Series
For DELL Inspiron N5420 Series
For DELL Inspiron N5720 Series
For DELL Inspiron N7420 Series
For DELL Vostro 3460 Series
For DELL Vostro 3560 Series
For DELL Audi A4 A5 S5 Series

Note: N3X1D is not recognized on the computer
DELL inspiron 7520
DELL inspiron 7720
DELL 7720 E5520 cannot use 9-core

Installation and usage instructions:

1. Before replacing the battery, be sure to turn off the power first and then remove the charger plug. Replacing the battery during the startup process may pose a safety hazard.
2.After removing the original battery, press the power button continuously for 10 seconds without releasing it. Release the remaining power and static electricity on the motherboard before replacing the new battery.
3. Before installing a new batter
y, confirm the positive and negative poles of the battery, especially the built-in battery, and be careful not to plug it in incorrectly.

Regarding Capacity:

Lithium batteries are consumables, and it is normal for their capacity to fluctuate by around+5% due to factors such as inventory time and usage environment.