The 2-Power company produces smartphone batteries that are compatible & can replace the originals. MBI0144 2-Power Smartphone Battery 4.35V 2400m Ah with Lithium-Ion technology compatible with Samsung Galaxy S5. All 2-Power Li-Ion battery packs are assembled with Japanese & Korean cells, providing unrivalled quality & greater reliability than many originals. The batteries are designed specifically for each br&, model, voltage, capacity & fit. Continuous range development ensures that with 2-Power you have batteries for virtually all laptops & mobile phones. 2-Power batteries are randomly tested in-house as part of a total quality control programme to ensure complete safety. They are also supplied with 12 months warranty against manufacturing defect. Unlike some brands that use cheap & refurbished cells, 2-Power batteries only use high quality, brand new components. The 2-Power brand is committed to offer a solution for virtually all manufacturers on the market, irrespective of popularity.