Notice:
1.Please use "CTRL"+"F" to find your laptop model/part number printed on your laptop bottom or original battery.
2.If you have any problems, please contact us by the message, we will reply within 24 hours.

Compatible Laptop Models:
TRHFF 1V2F6 01v2f6 DFVYN 0DFVYN P39F 0PD19 58DP4
5MD4V 86JK8 DL011307-PRR13G01

Compatible Part Numbers:
For Dell Inspiron I4-5447 I5-5547 N5447 N5547
For Dell Inspiron 5445 5447 5448 5545 5547 5548
For Latitude 15 3550; Latitude 3450 3550

Tips for laptop battery maintenance:
1. Lithium battery life is directly related to the number of cycles, not the number of charges. This number of cycles refers to a charging cycle, which is simply the process of the lithium battery from full to empty, and then empty to full, which is a cycle.
2. It is best not to charge repeatedly in the range of 90% to 100%.
3. Do not over-discharge, such as always using the battery with less than 5% left, it is best to keep the battery power above 20%.