Lenovo 4X20S56681 - 135W AC Adapter Charger for Lenovo Ideapad Gaming 3 L340 S740 Y50 Y700 Legion Y520 Y730 ThinkPad P1 X1 Extreme ThinkStation P330 Yoga 9 720 C940

135W AC Adapter Charger for Lenovo Ideapad Gaming 3 L340 S740 Y50 Y700 Legion Y520 Y730 ThinkPad P1 X1 Extreme ThinkStation P330 Yoga 9 720 C940

This genuine Lenovo 135W Slim Tip AC adapter is built to deliver stable and efficient power to a wide range of Lenovo laptops and mobile workstations. Whether you're handling intensive computing tasks, content creation, or everyday productivity, this adapter provides dependable performance with Lenovo's trusted engineering.

 Technical Specifications

• Power Output: 135W
• Output Voltage: 20V
• Output Current: 6.75A
• Input Voltage: 100–240V AC, 50–60Hz
• Connector Type: Slim Tip (11x5mm rectangular with center pin)
• Cable Length: Approx. 6.5 ft (2m)
• Certifications: UL, FCC, RoHS

✅ Confirmed Compatibility

*Note: Compatibility depends on the specific model and configuration. Always verify with Lenovo or your system documentation.*

✔ Compatible Lenovo Series and Models:
ThinkPad P1 (Gen 1–4), P15v, P16, P50, P51, P52, P53, P70, P71
ThinkPad X1 Extreme (Gen 1–5), X1 Yoga (select models)
ThinkPad T440p, T450p, T460p, T470p, T540p, T550, T560, T570, T15p
ThinkPad W510, W540, W541, W550s
ThinkPad L440, L450, L460, L470, L540, L560, L570
ThinkPad E440, E450, E455, E460, E465, E470, E475, E540, E550, E550c, E555, E560, E560p, E565, E570, E570p, E575
ThinkPad S431, S440, S531, S540
ThinkPad Yoga P40, Yoga 260, Yoga 370, Yoga 460
IdeaPad Gaming 3, L340, Y700, Y7000P
IdeaPad Y40-70, Y50-70, Y50-80, Y50p-70, Y70-70, Y70-80
IdeaPad Z710, 700-15
Yoga 720-15IKB, Yoga 9-15IMH5, Yoga C940-15IRH
Lenovo Legion Y520, Y520-15IKBM, Y530, Y530-15ICH, Y700-15ACZ, Y730, Y740
ThinkStation P330
ThinkCentre M910x, M920q (with 135W requirement)
Other systems: G700, G710, S3 Yoga 14, S5 Yoga 15, Helix (1st Gen), S1 Yoga 12

 Compatible Replacements

ADL135NLC3A, 36200609, 45N0365, 45N0554, PA-1131-72, 5A10J75112, SA10J20116, SA10J20158, 00PC762, 54Y8988, PA-1131-72FA, PA-1131-72FS, 4X20E50558, 4X20S56681, 4X20Q88539, 45N0368, 45N0502, SA10R16924, 36200605, 45N0364, 45N0366, SA11B48999, 5A10V03255, 45N0486, 4X20E50570, 4X20E50572, 4X20E50562, 4X20E50565

 This SKU Will Also Replace:

65W Part Numbers:
0A36264, 45N0278, 45N0258, 45N0261, 0A36266, 4ZX20E75085, SA10J20099, SA10J20149, 0A36261, 45N0262, 45N0253, SA10J20098, ADLX65NCC3A, ADLX65NDC2A

90W Part Numbers:
36200252, 36200254, ADLX90NDC3A, 45N0244, 45N0245, 45N0252, 36200287, 45N0239, 45N0250, 45N0257, SA10J20103, SA10A33629, 54Y8917, 36200608, ADLX90NCC2A, 45N0235, 45N0242, ADLX90NCT3A, 45N0251, 45N0305, ADLX90NCC3A, ADLX90NDC2A, ADLX90NLC3A, ADLX90NLC2A

 Support & Resources

• ThinkPad 135W AC Adapter Overview & Service Parts

 What’s Included

• 1 x 135W Lenovo Slim Tip AC Adapter
• 1 x Power Cord