Laptop Battery for Dell Latitude E5400 E5410 E5500 E5510 KM742 KM769 RM656 T749D

Laptop Battery for Dell Latitude E5400 E5410 E5500 E5510 KM742 KM769 RM656 T749D

Compatible Part Number:

KM668 KM742 KM752 KM760 KM970 MT186 MT187 MT196 MT332 RM649 RM656 RM661 RM668 PW640 PW649 PW651 WU841 WU843 WU852 MT187 MT193 T749D U116D W071D X064D P858D 312-0762 312-0769 451-10616 KM769 0RM668 312-0902 451-10617 KM771

Fit Machine Models:

Latitude E5400 Series

Latitude E5500 Series

Latitude E5410

Latitude E5510

Install A New Battery:

1. You need to turn off your laptop and disconnect the power.

2. Remove the old battery, carefully install the new battery on the battery case, and connect the wiring of the new battery.

3. If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.

Laptop Maintenance Tips:

1. New battery: For use a new battery, you’d better try a few cycles of discharging to 5%. then charging up to 95%. So that it can be activated completely

2. Overuse: Do not always run out of a battery to 0%, this would make it damaged or usage life shortened

3. Charging sequence: when charging, first install the battery, then turn on the power, when fully charged, first cut off the power, then pull the power plug.

4. Long-term storage:Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery

5. Charger: Do not replace the laptop adapter casually. If the original adapter cannot be applied due to malfunction or damage, please replace the models, so as not to reduce the service life of the battery due to incompatibility.