Cheap And Discounts 42T4799 42T4798 Original Battery For Lenovo ThinkPad E40 E50 E420 E520 T430 T420 T410 SL410K SL510 T510 W510 E520 L410 L512 55++ Wholesale. Buy Directly From Merchant Shop1103852915 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.