All Laptop - Desktop Batteries are not created equal. The COMPAQ Armada 1135T replacement battery is the right choice for those seeking performance and efficiency. It's made from quality materials so the Armada 1135T is one of the toughest on the market. This is why the Armada 1135T meets or exceeds the specifications required by your equipment manufacturer. BatteryTex - your source for amazing prices on the best batteries on the market. BatteryTex.com, an industry leader in replacement batteries - featuring some of the lowest online rates available. Give us a call now at 1-888-825-6661 for more information and great deals on this item. Looking for more Laptop - Desktop Batteries batteries? Click here. See more great products by manufacturer: COMPAQ From their materials to the technology used in manufacture, modern batteries far out-perform their predecessors. For warranty information on batteries please contact us directly. The manufacturer warranty is normally one-year however this may vary depending upon the maker.