Lenovo IdeaPad Charger 20V x 3.25A-65W-1.7mm

A 20V 3.25A charger provides 65 Watts of power (20V * 3.25A = 65W) A 20.0V 3.25A charger with a 4.0mm x 1.7mm pin (often referred to as a “small pin” ) provides 65 Watts of power.
Lenovo IdeaPad Series: IdeaPad 100-14IBY, 100-15IBY , 110-15ACL, 110-15ISK, 310-15ISK , 310S , 30-14AST, 330-14IKB, 330-15AST,
330-15IGM, 330-15IKB, 330-17IKB, 510-15ISK, 510s , 710S, B50-10,
Lenovo Yoga Series: Yoga 310-14, 510-14ISK, Yoga 510-15ISK, 710-13, Yoga 710-14, Yoga 710-15.