Fit Model ThinkBook 13x G2 IAP 21AT003TG ThinkBook 13s G4 IAP-21AR0019R, Replacement Battery Extended capacity^^Fully replaces battery number, 15.52V
^^Loger lasting: 3500mAh, Type: Li-Polymer, Rate: 54.32W
h^^Dimensions: 251.7 x 102.0 x 4.9 mm, Weight: 470.0 g. ^^Manufactured by Enyuly power. a leader in premium quality replacement battery packs. We provide 1 years of after-sales service.