90W 20V 4.5A AC Adapter Charger for Lenovo Thinkpad T400 T410 T420 T420s T500 T520 T530 X60 Z60 X200 X201 X220 X230 X61 T61 E420 E430 E520 E530 E545 SL510 S230u 40Y7659 93P5026 40Y7696 Power Supply