9 Cell Extended Run Replacement Battery for ASUS K55 U57 Series This brand new ASUS K55 9 Cell replacement laptop battery features lithium-ion cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. The 9 cell battery will be larger than the original battery which will give you a longer run time. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.
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Useful Life:; Xtend replacement computer battery; 11.1 Volts - also compatible with 10.8 Volt systems; 7800 mAh; 9 Cell Li-ion; Samsung (South Korea); Dark Grey; Assembled in China; 2 Year Warranty; 30 day full satisfaction guarantee; 300-500 recharge cycles; You can expect about 3-5 hours of run time with this computer battery when new, depending on your energy use. Like all Li-ion primary batteries, your run time will decline over time. This battery replaces the A32-K55, A33-K55 and A41-K55 laptop batteries. Replaces these many
ASUS laptop battery part numbers: A32-K55 A33-K55 A41-K55