CM03XL Battery fit HP EliteBook 740 745 750 755 840 845 850 855 G1 G2 Series, fit HP ZBook 14 15u, P/N: HSTNN-DB4Q HSTNN-L11C-5 HSTNN-LB4R 717376-001 CM03 CM03050XL Notebook Laptop Battery

How to install a new battery?

1. You need to turn off the laptop and disconnect the power at the same time.

2. Disconnect the old battery from the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery and save it.

3. Take out the old battery, install the new battery on the battery box, tighten the screws, and connect the wires of the new battery.

How to maintain a laptop?

1. New battery: When using a new battery, it is best to discharge to 5% for several cycles. Then charge to 95%. So that it can be fully activated.

2. Excessive use: Do not deplete the battery to 0% often, which will cause damage to the battery or shorten the service life.

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

4. Long-term storage: Please fully charge and store unused batteries. (Charge once a month) Do not store in low battery to avoid reducing.

What should be noted when using the battery?

1.If your computer will not be used for a long time, it is recommended that you remove the battery and store the battery separately.

2.It is recommended that you store the battery in a dry environment with a temperature range of -10--35 degrees Celsius, and avoid sunlight.

3.As the damaged lithium-ion battery will pollute the environment, it also has a certain degree of danger. Please do not disassemble or discard at will.