Note : 1. 14.4V and 14.8V are compatible, they are in common use.

2. 10.8V and 11.1V are compatible, they are in common use.

3. the 10.8V(=11.1V) and 14.4V(=14.8V) are the different voltages, they are not compatible, please choose the right 728248-121 battery(Voltage) for your laptop.

How to find the correct product

1, When purchasing a 728248-121 Battery for your device, compatibility is the most important factor. In order for our products to work on your device, it must be compatible. laptop-battery.xyz offers more than 120,000 compatible models and part numbers for your devices. Before purchasing our products, please follow our tips below to find the right product for your device.

2, Your device owner's manual should have the brand and model number on the front cover. In addition, most devices have a manufacturering label on the bottom of your device. This label should have the brand and model number on it.

3, If your are purchasing a battery, you should shut down your device first, and then remove the battery and look at the original 728248-121 battery part number label of the battery.
Batteries from major manufacturers use standardized part numbers. The following are the sample part numbers from the major brands: Hp 728248-121
To confirm compatibility, customer should verify the physical appearance, part number, position and orientation of the connector and the latch position of your original 728248-121 battery with the product information shown on our website.

4, Please kindly note that there may be two different voltages (11.1V and 14.8V) associated with the same model or part number. They are totally NOT compatible. Please check your original 728248-121 battery voltage before placing an order.