KM742 56Wh 6-cell laptop battery is a compatible replacement for selected Dell Latitude E5400, E5500, E5410 and E5510 laptops. It is designed to replace an old, weak, or defective battery and provide reliable everyday performance.
Best Price. Every battery is checked by the OKSPARE Team before dispatch for dependable quality.
100% Replacement Warranty: This battery includes a replacement warranty for covered technical or manufacturing defects. Warranty does not cover physical damage, broken connectors, incorrect installation, liquid damage, burn marks, mishandling, or damage after installation. Battery swelling caused by overcharging, excessive heat, improper charging, or incorrect use is not covered.
Important: Before ordering, match your original battery’s complete part number, 56Wh capacity, 10.8V rating, 6-cell configuration, connector, and physical shape. The same laptop can also use a higher-capacity 9-cell battery, which must be ordered separately.