Discover the trusted quality of CoreParts with our top quality replacement CMOS/backup battery for Lenovo 0.60Wh Li-ion 3V 200mAh. This battery is compatible with ThinkPad T400, T400s, T410, T410s, T420s, T420si, T430s, and T430si. Engineered to deliver unmatched performance, this 0.6 Wh battery ensures that your device remains powered and ready for all your demands. Produced in China with rigorous quality control, each component meets high standards for reliability and longevity. Backed by a 12-month warranty, CoreParts products offer you confidence in every use, knowing you're investing in sustainability and cost efficiency. Our easy-to-install parts help you avoid costly replacements, empowering you to extend the life of your devices, reduce e-waste, and support a greener future. Choose CoreParts for high-quality, value-driven solutions that stand up to daily use and deliver ongoing reliability.