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Battery Dell 542WP — 42Wh 3‑Cell Lithium laptop battery
Summary description:
Replacement laptop battery Dell 542WP, 42Wh capacity, 3‑cell lithium chemistry. Designed as a direct power source for compatible Dell notebooks to restore mobile runtime. Suitable for replacing worn original batteries in office, travel and field use; provides portable power for productivity, web browsing and light multimedia on the go.