?Ultra-Long Life 6-Cell Battery? 56Wh large capacity (60% more power than the original 6-cell battery), support 7-10 hours of office work (MobileMark real test) ?Military-Grade Compatibility? Replacement for ThinkPad T430/T430s/T430i, perfect match for part numbers: 45N1000 / 45N1004 / 45N1006 / 45N1010, 100% no system alarms. ?Double Durable Design? Passed MIL-STD-810G shock/drop test, cycle life up to 500 times (capacity retention ?80%). ?ThinkPad Exclusive Functions? Retains the original power management chip and is compatible with all Lenovo Power Manager functions (including charging threshold settings). ?Business Worry-Free Guarantee? 12 months long warranty + bulk purchase discount. We promise 100% purchase satisfaction to every customer, will provide you with a professional and detailed response within 24 hours. ? Professional-Grade ThinkPad Battery Engineered with A+ grade 18650 cells to deliver 99% original performance for business-critical workloads. ? Compatibility Guarantee: Compatible with Laptop Models: Lenovo Thinkpad T Series- Thinkpad T410 T410i T420 T420i T430 T430i T510 T510i T520 T520i T530 T530i Lenovo Thinkpad L Series- Thinkpad L410 L412 L420 L421 L430 L510 L512 L520 L530 Lenovo Thinkpad W Series- Thinkpad W510 W520 W530 W530I Lenovo ThinkPad SL410 series- SL410 2842 / SL410 2874 / SL410k 2842 Lenovo ThinkPad SL510 series- SL510 2847 / SL510 2875 / SL510K ThinkPad Edge 14" Series- Edge 14" 05787UJ / Edge 14" 05787VJ / Edge 14" 05787WJ / Edge 14" 05787XJ / Edge 14" 05787YJ / Edge 14" 0578F7U ThinkPad Edge 15" Series- Edge E420 / Edge E425 / Edge E520 / Edge E525 NOTE: NOT work for T410S, T410SI, T420S, T420SI, T430S, T430SI, T440, T450, T510S, T520S, T530S, W500, P Series, X Series, E Series, Tablet notebooks1. Replacement for Battery Original Part Numbers: 45N1000 / 45N1004 / 45N1006 / 45N1010 / 45N1106 / 42T4702 / 42T4751 / 42T4755 / 42T4794 / 42T4796 / FRU P/N 45N1001 / 45N1005 / 45N1007 / 45N1011 / 45N1107 / 42T4703 / 42T4752 / 42T4756 / 42T4795 / 42T4797 / 42T4791 / 42T4793 / / 42T4817 / 42T4819 42T4235 / 42T4704 / 42T4708 / 42T4714 / 42T4731 / 42T4733 / 42T4735 / 42T4737 / 42T4753 / 42T4757 / 42T4763 / 42T4764 / 42T4765 / 42T4790 / 42T4798 / 42T4803 / 42T4848 / 42T4849 / 42T4850 / 42T4851 / 42T4852 / 42T4911 / 42T4912 / 51J0499 / 51J0500 / 57Y4185 / 57Y4186 / 57Y4545 / 0A36303 / 0A36302 ? Technical Specifications: Capacity: 56Wh / 10.8V 5200mAh(6-cell extended) Battery Type: High-density Li-ion Pro Business Tips: Enable ?Battery Conservation Mode? to extend life by 300%. Monthly deep discharge up to 5% to maintain metering accuracy ? Executive Package Includes: 1 GBLGBD 6-Cell Battery 1 User Manual