View source for Power Port

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{{NOTE|This page is incomplete, expect mistakes.}}
The power port is strictly used for charging and powering ThinkPads. Most newer ThinkPads do not use a dedicated power port, however. Instead, they use a USB Type-C port (24-pin) compliant with Power Delivery specifications for charging purposes.

Please note that not all power ports featured on ThinkPads are the same. Some of them are of the 'special' variety, which are not common and may be rare. For example, most IBM ThinkPads utilized the common 5.5 x 2.5 mm coaxial power connector. However, a few of them did not. One such example is the {{G40}} and the {{G41}}, which used a Singatron 2MJ-3432-007 Mini-DIN-4 connector. In some cases, an adapter can be used to work-around with an incompatible power port.

Most importantly, not all power ports featured on ThinkPads use the same voltage as well. There are some models which employ odd voltages, due to their circuitry and/or design differences. Also, this voltage difference cannot be worked around with an adapter, as most adapters are generally passive which do not modify the output voltage to match the voltage required by the ThinkPad. It is highly recommended to either use the original AC adapter meant for the said ThinkPad, or use an AC adapter with the correct output voltage. Using an AC adapter with a higher output voltage may damage the ThinkPad's charging circuit or blow a fuse and render the entire machine unusable. On the other hand, using an AC adapter with a lower output voltage may cause instability.

As for amperage, this would be the least important. However, it is still recommended to use an AC adapter with an amperage that matches the ThinkPad's amperage. Otherwise, the AC adapter may overheat (due to its circuitry being overloaded) and/or cause the ThinkPad to charge slowly (due to insufficient power). If the said ThinkPad is solely running off the AC adapter as its main power source, it will become unstable and potentially unusable. Sometimes, the symptoms could be very severe to the point that the internal display panel would flicker, or the operating system would crash (due to incorrect calculations or unstable components).
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== Connectors and AC Adapters ==
Due to the potential crowding of connector sizes and AC adapter power ratings, the arrangement will be done in this format: [connector outer diameter] x [connector inner diameter] [measurement], [connector type]

Assume that the connector has no signal pin, unless noted.

=== 11.0 x 4.5 mm, rectangle with signal pin ===
[[Image:20v-rectangle.jpg|200px]]
<br>Remark: This connector is common. Some NEC AC adapters make use of them, mostly the modern NEC AC adapters. Dimensions are unconfirmed.
==== AC Adapters featuring this connector ====
* [[Lenovo 20V 230W AC Adapter]]
* [[Lenovo 20V 170W AC Adapter]]
* [[Lenovo 20V 135W AC Adapter]]
* [[Lenovo 20V 90W AC Adapter]]
* [[Lenovo 20V 65W AC Adapter]]
* [[Lenovo 20V 45W AC Adapter]]
* [[Lenovo 12V 36W AC Adapter]]

==== Signal Pin Definitions ====
{| border=1 cellspacing=0 cellpadding=2
|- style="background:#ffdead;white-space:nowrap;"
! Wattage !! Resistance
|-
| 300 W || 8,600 Ω
|-
| 230 W || 4,600 Ω
|-
| 170 W || 1,900 Ω
|-
| 135 W || 1,000 Ω
|-
| 90 W || 550 Ω
|-
| 65 W || 280 Ω
|-
| 45 W || 120 Ω
|-
| 36 W || 7,300 Ω
|}

=== 5.5 x 2.1 mm, semi-hexagon 4-pin ===
[[Image:4pin-power-plug.JPG|200px]]
<br>Remark: This connector is uncommon, but adapters do exist for this connector. Dimensions are unconfirmed.
==== AC Adapters featuring this connector ====
* [[IBM 20V 56W AC Adapter]]
* [[IBM 20V 50W AC Adapter]]
* [[IBM 20V 40W AC Adapter]]
* [[IBM 20V 35W AC Adapter]]
* [[IBM 20V 30W AC Adapter]]
* [[IBM 16.5V 23W AC Adapter]]

=== Singatron 2MJ-3432-007, Mini-DIN-4 ===
[[Image:120w-plug.jpg|188px]]
<br>Remark: This connector is uncommon, but adapters do exist for this connector.
==== AC Adapters featuring this connector ====
* [[IBM 16V 120W AC Adapter]]

=== 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin ===
[[Image:20v-barrel.jpg|200px]] [[Image:20v-barrel-hd.jpg|200px]]
<br>Remark: This connector is very common. Adapters are easy to locate, although their tips may be colored differently. <br>Be careful of this connector's 2nd variant (right image), which has two plastic tabs that disallows insertion in models that are not rated for 170 W. You could dremel or pry the plastic tabs off using a flathead screwdriver, however.
==== AC Adapters featuring this connector ====
* [[Lenovo 20V 170W AC Adapter]]
* [[Lenovo 20V 135W AC Adapter]]
* [[Lenovo 20V 90W AC Adapter]]
* [[Lenovo 20V 65W AC Adapter]]

==== Signal Pin Definitions ====
{| border=1 cellspacing=0 cellpadding=2
|- style="background:#ffdead;white-space:nowrap;"
! Wattage !! Resistance
|-
| 170 W || 1,500 Ω
|-
| 135 W || 0 Ω
|-
| 90 W || Not Connected
|-
| 65 W || 10,000 Ω
|}

=== 6.3 x 4.0 mm, coaxial ===
[[Image:w70x-barrel.jpg|200px]]
<br>Remark: This connector is uncommon, but adapters do exist for this connector.
==== AC Adapters featuring this connector ====
* [[Lenovo 20V 230W AC Adapter]]
* [[Lenovo 20V 170W AC Adapter]]

=== 6.3 x 3.6 mm, coaxial ===
[[Image:18V-barrel.jpg|200px]]
<br>Remark: This connector is uncommon, so adapters may be difficult to locate.
==== AC Adapters featuring this connector ====
* [[IBM 18V 15W AC Adapter]]

=== 6.3 x 3.0 mm, coaxial ===
[[Image:15V-barrel.jpg|188px]]
<br>Remark: This connector is common. Some Toshiba AC adapters make use of them, most particularly the Toshiba 15 VDC AC adapters.
==== AC Adapters featuring this connector ====
* [[IBM 16.3V 30W AC Adapter]]
* [[IBM 15V 29W AC Adapter]]
* [[IBM 15V 26W AC Adapter]]
* [[IBM 15V 20W AC Adapter]]
* [[IBM 10.8V 19W AC Adapter]]

=== 5.5 x 2.5 mm, coaxial ===
[[Image:16v-barrel.jpg|200px]]
<br>Remark: This connector is very common. Adapters are easy to locate, although their tips may be colored differently.
==== AC Adapters featuring this connector ====
* [[IBM 16V 72W AC Adapter]]
* [[IBM 16V 56W AC Adapter]]
* [[IBM 16V 54W AC Adapter]]
* [[IBM 16V 35W AC Adapter]]

=== 5.5 x 2.1 mm, coaxial ===
[[Image:19v-barrel.png|200px]]
<br>Remark: This connector is uncommon, but adapters do exist for this connector.
==== AC Adapters featuring this connector ====
* [[IBM 19V 45W AC Adapter]]
* [[IBM 10.5V 11W AC Adapter]]

== Compatibility ==
{| border=1 cellspacing=0 cellpadding=2
|- style="background:#ffdead;white-space:nowrap;"
! Models !! Voltage !! Amperage !! Connector !! Compatible<br>AC Adapter(s) !! Recommended<br>AC Adapter(s) !! Notes/Exceptions
|-
| {{130}} || 16 V, DC || 3.36 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]]<br>[[IBM 16V 56W AC Adapter]]<br>[[IBM 16V 54W AC Adapter]] || N/A
|-
| {{220}} || 10.5 V, DC || 1 A, DC || 5.5 x 2.1 mm, coaxial || [[IBM 10.5V 11W AC Adapter]] || [[IBM 10.5V 11W AC Adapter]] || N/A
|-
| {{230CS}} || 16.5 V, DC || 1.4 A, DC || 5.5 x 2.1 mm, semi-hexagon 4-pin || [[IBM 16.5V 23W AC Adapter]] || [[IBM 16.5V 23W AC Adapter]] || N/A
|-
| {{235}}, {{240}}, {{240X}}<br>{{240Z}}, {{i1124}} || 16 V, DC || 3.36 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]]<br>[[IBM 16V 56W AC Adapter]]<br>[[IBM 16V 54W AC Adapter]] || N/A
|-
| {{I1200}}, {{I1210}}<br>{{I1230}}, {{I1250}}<br>{{I1260}}, {{I1300}}<br>{{I1330}}, {{I1370}}<br>{{i1400}}, {{I1410}}<br>{{I1411}}, {{I1412}}<br>{{i1420}}, {{I1421}}<br>{{I1422}}, {{I1441}}<br>{{I1442}}, {{I1450}}<br>{{I1451}}, {{I1452}}<br>{{I1460}}, {{I1472}}<br>{{I1480}}, {{I1482}}<br>{{I1483}}, {{I1492}}<br>{{I1500}}, {{I1512}}<br>{{I1540}}, {{I1541}}<br>{{I1542}}, {{I1552}}<br>{{I1560}}, {{I1562}}<br>{{I1592}} || 16 V, DC || 3.5 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 54W AC Adapter]]<br>[[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]]<br>[[IBM 16V 56W AC Adapter]] || N/A
|-
| {{P70}}, {{P71}}<br>{{P72}}, {{P73}}<br>{{P50}}, {{P51}}<br>{{P52}}, {{P53}} || 20 V, DC || 11.5 A, DC || 11.0 x 4.5 mm, rectangle with signal pin || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]]<br>[[Lenovo 20V 45W AC Adapter]] || [[Lenovo 20V 230W AC Adapter]] || High-end configs require 230 W.
|-
| {{W510}} || 20 V, DC || 6.75 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]] || N/A
|-
| {{W520}}, {{W530}} || 20 V, DC || 8.5 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]] || N/A
|-
| {{W540}}, {{W541}} || 20 V, DC || 8.5 A, DC || 11.0 x 4.5 mm, rectangle with signal pin || [[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]]<br>[[Lenovo 20V 45W AC Adapter]] || [[Lenovo 20V 230W AC Adapter]]<br>[[Lenovo 20V 170W AC Adapter]] || N/A
|-
| {{W700}}, {{W700ds}}<br>{{W701}}, {{W701ds}} || 20 V, DC || 11.5 A, DC || 6.3 x 4.0 mm, coaxial || [[Lenovo 20V 170W AC Adapter]] || [[Lenovo 20V 230W AC Adapter]] || High-end configs require 230 W.
|-
| {{A20m}}, {{A20p}}, {{A21e}}<br>{{A21m}}, {{A21p}}, {{A22e}}<br>{{A22m}}, {{A22p}}, {{A30}}<br>{{A30p}}, {{A31}}, {{A31p}}<br>{{i1800}} || 16 V, DC || 4.5 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 56W AC Adapter]]<br>[[IBM 16V 54W AC Adapter]]<br>[[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]] || N/A
|-
| {{T20}}, {{T21}}, {{T22}}<br>{{T23}}, {{T30}}, {{T40}}<br>{{T40p}}, {{T41}}, {{T41p}}<br>{{T42}}, {{T42p}}, {{T43}}<br>{{T43p}} || 16 V, DC || 4.5 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 56W AC Adapter]]<br>[[IBM 16V 54W AC Adapter]]<br>[[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]] || N/A
|-
| {{T60}}, {{T60p}}, {{T61}}<br>{{T61p}}, {{T400}}, {{T400s}}<br>{{T410}}, {{T410i}}, {{T410s}}<br>{{T410si}}, {{T420}}, {{T420i}}<br>{{T420s}}, {{T420si}}, {{T430}}<br>{{T430i}}, {{T430s}}, {{T430si}}<br>{{T430u}}, {{T500}}, {{T510}}<br>{{T510i}}, {{T520}}, {{T520i}}<br>{{T530}}, {{T530i}} || 20 V, DC || 6.75 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]] || Intel GPU configs require 65 W.<br>ATI/AMD/NVIDIA GPU configs require 90 W.<br>Quad-core CPU configs require 135 W.
|-
| {{W550s}}, {{P50s}}<br>{{P51s}}<br>{{A275}}, {{A475}}<br>{{T431s}}, {{T440}}, {{T440s}}<br>{{T440p}}, {{T450}}, {{T450s}}<br>{{T460}}, {{T460s}}, {{T460p}}<br>{{T470}}, {{T470s}}, {{T470p}}<br>{{T540p}}, {{T550}}, {{T560}}<br>{{T570}}, {{25}} || 20 V, DC || 6.75 A, DC || 11.0 x 4.5 mm, rectangle with signal pin || [[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]]<br>[[Lenovo 20V 45W AC Adapter]] || [[Lenovo 20V 230W AC Adapter]]<br>[[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]] || Intel GPU configs require 45 W.<br>AMD/NVIDIA GPU configs require 65 W.<br>Quad-core CPU configs require 135 W.
|-
| {{X20}}, {{X21}}, {{X22}}<br>{{X23}}, {{X24}}, {{X30}}<br>{{X31}}, {{X32}}, {{X40}}<br>{{X41}}, {{X41 Tablet}}, {{i1620}}<br>{{TransNote}} || 16 V, DC || 3.5 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 54W AC Adapter]]<br>[[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]]<br>[[IBM 16V 56W AC Adapter]] || N/A
|-
| {{X60}}, {{X60s}}, {{X60 Tablet}}<br>{{X61}}, {{X61s}}, {{X61Ls}}<br>{{X61 Tablet}}, {{X100e}}, {{X120e}}<br>{{X121e}}, {{X130e}}, {{X131e}}<br>{{X140e}}, {{X200}}, {{X200s}}<br>{{X200 Tablet}}, {{X201}}, {{X201i}}<br>{{X201s}}, {{X201si}}, {{X201 Tablet}}<br>{{X201i Tablet}}, {{X220}}, {{X220i}}<br>{{X220 Tablet}}, {{X220i Tablet}}<br>{{X230}}, {{X230i}}, {{X230 Tablet}}<br>{{X230i Tablet}}, {{X300}}, {{X301}}<br>{{X1}}, {{X1 Hybrid}}, {{Mini 10}} || 20 V, DC || 3.25 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || N/A || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]] || N/A
|-
| {{L410}}, {{L412}}, {{L420}}<br>{{L421}}, {{L430}}, {{L510}}<br>{{L512}}, {{L520}}, {{L530}} || 20 V, DC || 4.5 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]] || Intel GPU configs require 65 W.<br>ATI/AMD/NVIDIA GPU configs require 90 W.
|-
| {{SL300}}, {{SL400}}, {{SL400c}}<br>{{SL410}}, {{SL410k}}, {{SL500}}<br>{{SL500c}}, {{SL510}}, {{SL510k}} || 20 V, DC || 4.5 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]] || Intel GPU configs require 65 W.<br>ATI/NVIDIA GPU configs require 90 W.
|-
| {{R30}}, {{R31}}, {{R32}}<br>{{R40}}, {{R40e}}, {{R50}}<br>{{R50e}}, {{R50p}}, {{R51}}<br>{{R51e}}, {{R52}} || 16 V, DC || 4.5 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 56W AC Adapter]]<br>[[IBM 16V 54W AC Adapter]]<br>[[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]] || N/A
|-
| {{R60}}, {{R60e}}, {{R60i}}<br>{{R61}}, {{R61e}}, {{R61i}}<br>{{R400}}, {{R500}} || 20 V, DC || 4.5 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]] || Intel GPU configs require 65 W.<br>ATI/NVIDIA GPU configs require 90 W.
|-
| {{G40}}, {{G41}} || 16 V, DC || 7.5 A, DC || Singatron 2MJ-3432-007, Mini-DIN-4 || N/A || [[IBM 16V 120W AC Adapter]] || N/A
|-
| {{G50}} || 20 V, DC || 3.25 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || N/A || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]]<br>[[Lenovo 20V 65W AC Adapter]] || N/A
|-
| {{Edge 11}}, {{Edge 13}}, {{Edge 14}}<br>{{Edge 15}}, {{Edge L330}}, {{Edge S430}}<br>{{Edge E120}}, {{Edge E125}}, {{Edge E130}}<br>{{Edge E135}}, {{Edge E145}}, {{Edge E220s}}<br>{{Edge E320}}, {{Edge E325}}, {{Edge E330}}<br>{{Edge E335}}, {{Edge E420}}, {{Edge E420s}}<br>{{Edge E425}}, {{Edge E430}}, {{Edge E430c}}<br>{{Edge E435}}, {{Edge E520}}, {{Edge E525}}<br>{{Edge E530}}, {{Edge E530c}}, {{Edge E535}} || 20 V, DC || 4.5 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]] || Intel GPU configs require 65 W.<br>ATI/AMD/NVIDIA GPU configs require 90 W.
|-
| {{S30}}, {{S31}} || 16 V, DC || 3.5 A, DC || 5.5 x 2.5 mm, coaxial || [[IBM 16V 54W AC Adapter]]<br>[[IBM 16V 35W AC Adapter]] || [[IBM 16V 72W AC Adapter]]<br>[[IBM 16V 56W AC Adapter]] || N/A
|-
| {{Z60m}}, {{Z60t}}, {{Z61e}}<br>{{Z61m}}, {{Z61p}}, {{Z61t}} || 20 V, DC || 4.5 A, DC || 7.5 x 5.55 mm, coaxial with 0.8 mm signal pin || [[Lenovo 20V 65W AC Adapter]] || [[Lenovo 20V 170W AC Adapter]]<br>[[Lenovo 20V 135W AC Adapter]]<br>[[Lenovo 20V 90W AC Adapter]] || Intel GPU configs require 65 W.<br>ATI GPU configs require 90 W.
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[[Category:Ports, Connectors and Slots]]