NiMH Laptop Battery for ACER Extensa 390 Series (also works with Acer BTP-X31) Looking for reliable performance from your Acer BTP-X31 Laptop? Our Acer BTP-X31 battery will provide you the performance and dependability that you demand for your Laptop. With an efficient rating of 10.8V Volt and 3500 , you never have to worry about being too far from an ac outlet. Our line of Acer BTP-X31 batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. With an industry leading warranty and customer service, you can’t go wrong. ... More Info
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