Name of the product: 20V 2.0A 40W AC Adapter for Lenovo S9 / S10 / S10e/MSI U100

Our Product No.  lenovo 20V-2.0A (5.5*2.5)(black)

Specification:

Input:  100-240V  50/60HZ (works worldwide)

Output:  20V  2.0A  40W

Output Connecter size:  interior diameter:  2.5mm
                                    external diameter: 5.5mm

Certification: CE, FCC

Compatible following Laptop models:

Lenovo IdeaPad S9 series:
Lenovo IdeaPad S9e series:

Lenovo IdeaPad S10 series:

Lenovo IdeaPad S10 - 423135U (Black)
Lenovo IdeaPad S10 - 423134U (White)
Lenovo IdeaPad S10 - 423132U (Pink)
Lenovo IdeaPad S10 - 423137U (Blue)
Lenovo IdeaPad S10 - 423133U (Red)
Lenovo IdeaPad S10 - 42312CU (White)
Lenovo IdeaPad S10 - 42312DU (Red)
Lenovo IdeaPad S10 - 42312AU (Pink)

Lenovo IdeaPad S10e Series:

MSI Wind U115 Hybrid series
MSI Wind U120H series
MSI Wind U120 series
MSI Wind U90 series
MSI Wind U100 series
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Compatible Part Number:

41R4441, 45K2200