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This asus replacement battery pack is a 4400 mAh, 11.1V, rechargeable, Lithium Ion battery designed to work with asus m5 series laptop. The Hi-Quality battery meets or exceeds original manufacturer specifications for the asus m5 series battery in quality, durability, and performance. Li-ion batteries do not suffer from the memory effect. They can generally work 300~500 charge/discharge cycles without capacity decrease. All our laptop batteries are tested for 100% quality control assurance. This battery for asus m5 series includes a one year warranty. We offer a one month refund guarantee and fast shipping on all of our products.

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• Asus M5 SERIES battery in other country

Buy this item with asus m5 series laptop battery and 90W m5 series laptop ac adapter together you can (save more £1!)

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1. Normally, a new battery pack comes in a very low charge condition and must be fully charged before use. Refer to the user manual of your portable electronic equipment for charging instructions.
2. A new laptop battery pack needs to be fully charged and fully discharged or “cycled” as much as five times to condition them into performing at full capacity.
3. Your equipment may report a fully charge condition in as short as 10 to 15 minutes when the new battery pack is being charged for the first time. This is a normal phenomenon especially for Nickel Cadmium (Ni-Cad) and Nickel Metal Hydride (Ni-MH) chemistries. When this happens, remove the asus m5 series battery pack and let it cool down for about fifteen minutes then repeat the charging procedure.
4. “Conditioning” (fully discharging and then fully charging) is necessary so as to maintain the optimum performance of a battery pack, and is recommended at least once a month particularly for Ni-Cad and Ni-MH batteries. Failure to do so could result in reduced charge capacity and can significantly shorten the battery pack’s useful life. Lithium Ion batteries do not require conditioning.
5. It is normal for a battery pack to get warm when charging and during use. However, if the m5 series battery pack gets excessive hot, there may be a problem with the portable electronic equipment’s charging circuit and should therefore be checked by a qualified technician.
6. Rechargeable batteries undergo self-discharging when left unused for long periods of time. This is normal particularly in the case of Ni-MH and Li-Ion chemistries. For best results, always store a battery pack fully charged. It should be removed from the equipment and kept in a cool, dry and clean place.
7. The amount of runtime a asus m5 series laptop batteries produces depends on the power requirements of components in your electronic equipment. This could be the hard drive setting, screen intensity and back-lighting on notebook computers, the liquid crystal display (LCD) screen and floodlight feature in a video camcorder, or the tri-mode communications network of a cellular phone. Always refer to your equipment’s user manual for power management settings.