First off, it is very important to turn off the laptop and cut off the AC adapter.

Secondly, Slightly release the latch or other attachment devices that hold your battery in place. ( It is not suggested to use screw driver or a heavy thing to knock it out.

Thirdly, slide the lock to unlock the batteries and take the battery out from the battery bay.

Hold the latch to the unlock side and put the new battery into the bay. And slide the latch to the lock side.

Now you have finished the process of install the laptop battery

For HP Compaq 6720s Series laptop batteries, we would like to introduce you a brand a powerful battery as below, this is HP 6720(6 CELL) Laptop Battery , it is compatible with vary, which is compatible with HP Compaq 6720s Series laptop. Free shipping to worldwide.

Specifications:

BrandHP

Fit modelCompaq 6720s Series

Replace forHSTNN-IB52

Cell QTY6 cell

Voltage(V)10.8V (can fit for 11.1V)

Capacity5200mAh

ColorBlack

Weight320g

TypeLi-ion

Warranty : Three year warranty

Replacement For:

HSTNN-IB62

451085-141

451086-121

451086-161

451568-001

GJ655AA

HSTNN-IB51

HSTNN-IB52

Compatible with the below models:

HP 550 Series
HP 550

HP COMPAQ

Notebook 6720s

Notebook 6720s/CT

Notebook 6730s

Notebook 6730s/CT

Notebook 6735s

Notebook 6820s

Notebook 6830s

Warranty & Return Policy:

The items warranty term is THREE YEARS started from the purchase date. Warranty covers part replacement. Product must be presented to us within the warranty period. Physical and/or cosmetic damages like cracks, tears, broken wires, chips or any damages that occur as a result of misuse or abuse will not be covered under warranty. DOA (Defective on arrival) Return Policy is 60 days. Return will be issue new battery replacement. This policy starts from the product received date indicated by the tracking or delivery confirmation date.

What is included?

1 X HP 6720(6 CELL) Laptop Battery

Where to buy

We recommend you buy it at coolgadgetsgift online store