Shopping for Replacement MSI Laptop Battery. All Replacement MSI laptop batteries have been tested for thousands times and passed CE, ISO 9001/9002 certifications and UL, ROHS approval. That is why we provide One year warranty and a 60-day unconditional money back GUARANTEE . You can select right MSI laptop battery for your MSI laptops here. We also carry MSI laptop AC adapters and chargers for your laptops.