original 20V 4.5A AC Adapter Laptop Charger For Lenovo Thinkpad E440 E540 E550C E460 T470s T470 T560 T570 E431 E450c E455 Z510

original 20V 4.5A AC Adapter Laptop Charger For Lenovo Thinkpad E440 E540 E550C E460 T470s T470 T560 T570 E431 E450c E455 Z510

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