Lenovo Power Adapter Charger PA-1450-55LK

Meet Rathmines / Terenure / Kenilworth / Rathgar

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Connector Size: 4.0mm (outer) x 1.7mm (inner).
Output Power: 45 Watts
Output Voltage: 20V DC
Output Current: 2.25 Amps
Input Voltage: 100-240V AC (Universal worldwide voltage)
Input Frequency: 50-60 Hz

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Info from the internet - ensure this is the right charger

Interchangeable Part Numbers: PA-1450-55LL, PA-1450-55LR, PA-1450-55LU, ADL45WCC, ADP-45DW B, GX20K11838, 5A10H42923, 5A10H42917.

Compatible Laptop Models

This adapter is primarily compatible with IdeaPad, Yoga, Flex, and Miix series laptops manufactured roughly between 2015 and 2020.
1. Lenovo IdeaPad Series
100 Series: 100-14IBY, 100-15IBD, 100S-14IBR.
110 Series: 110-14ISK, 110-15ISK, 110-17IKL, 110S-11IBR.
310 Series: 310-14ISK, 310-15ISK, 310S-11IKB, 310S-15IKB.
510 Series: 510-14ISK, 510-15IKB.
710S Series: 710S-13ISK (Note: The standard 710S often uses this, but verify specific sub-models).

Newer Slim Models: IdeaPad 1 (11IGL05, 14IGL05), IdeaPad 3 (14ADA05, 15IIL05), IdeaPad 5 (14IIL05). Note: Some newer IdeaPad 3/5 models use USB-C, so verify the port shape.

2. Lenovo Yoga Series
Yoga 310: 310-14IKB, 310-14ISK.
Yoga 510: 510-14ISK, 510-14IKB.
Yoga 710: 710-11ISK, 710-13ISK, 710-14ISK, 710-15ISK.
Yoga 910: Some variants (verify connector).

3. Lenovo Flex Series
Flex 4: 4-1130, 4-1435, 4-1470, 4-1570.
Flex 5: 1470, 1570 (Some 1570 models may vary).