Input: AC 100v-240v 50/60Hz
Output: 20V 2.25A 45W
DC Tip Size: 4.0*1.7 L type

This charger has been tested to ensure compatibility with Lenovo laptops:

Lenovo Ideapad 100, 100S Series (NOT 11.6" Models)
100S 14": 100S-14IBR
100-14: 100-14IBY 100-14IBD
100-15: 100-15IBD
100-15: 100-15IBY
Lenovo Ideapad 110, 110S Series
110-14: 110-14IBR 110-14ISK
110-15: 110-15ISK 110-15IBR 110-15ACL 110-15AST
110-17: 110-17IKB 110-17ISK 110-17ACL
110S-11IBR
Lenovo Ideapad 120, 120S Series
120S-11: 120S-11IAP
120S-14: 120S-14IAP
Lenovo Ideapad 300, 300S, 310, 320, 320S Series
310-15: 310-15ISK 310-15ABR 310-15IKB 310-15IAP (Including Touch)
320-14: 320-14IKB
320-15: 320-15ABR 320-15AST 320-15IAP 320-15IKB (Including Touch)
320-17: 320-17IKB
320S-14: 320S-14IKB
320S-15: 320S-15IKB
Lenovo Ideapad 500, 500S, 510, 510S, 520, 520S, 710S Series
510-15: 510-15IKB, 510-15ISK
510S-14: 510S-14ISK, 520S-14IKB
520-14: 520 2-in-1 14
520-15: 520-15IKB
520S-14: 520S-14IKB
710S-13: 710S-13IKB, 710S-13ISK
320S-15: 320S-15IKB
Lenovo Chromebook N22, N23 (NOT N23 Yoga), N42, 100S, N22-20
Lenovo Yoga 710 Series
Yoga 710 11: 710-11ISK 710-11IKB
Yoga 710 14: 710-14IKB 710-14ISK
Yoga 710 15: 710-15IKB 710-15ISK
Lenovo Flex 4 11 1130, Flex 5 1470, B50-10