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 battery(Voltage) for your laptop. 4. The 6600mAh(9 Cells) battery will extend out about 1 inch from the back of the laptop, bigger size but lasting longer.

The new IBM Fru 42T4548 laptop battery 10.8V 4400mAh(6 cells) is made of high-quality lithium-ion battery cells, which has been tested to be brand new and totally compatible with the original manufacturer specifications, meets or even exceeds the original battery performance. With high-quality battery cells and materials, your laptop will run longer and more secure. Moreover, this battery has no "memory effect" and you don’t need to discharge before each charge. It is more convenient for you to use our replacement IBM Fru 42T4548 batteries.

Our IBM Fru 42T4548 laptop battery which we design is in strict accordance with the highest control standards. It carries with a smart interior circuit board that provides battery-unbalanced-shut-off protection, thermal-runaway protection, overcharged protection, over-discharged-shut-off protection, and high/low-temperature-shut-off protection. IBM Fru 42T4548 notebook battery is made of environmental friendly materials, without lead and mercury. It is certified as a safe and reliable product through a series of rigorous tests on the IBM examine system.

Thank you for shopping the IBM Fru 42T4548 laptop replacement battery at LaptopBatteryDirect.net. Our batteries are packed in cartons with anti-static bags and anti-pressure sponges to effectively protect the batteries in transit. We have a rigorous inspection process to ensure that your order (e.g. this battery for IBM Fru 42T4548 notebooks) is perfectly functional before shipping to you. Before placing an order, you'd better look at our battery from following pictures and check if it is the same as your original one. Please make sure that you pick out the correct battery to avoid ordering mistakenly.