Dear friend:Before placing the order， please make sure the model you purchase fit for your laptop or notebook. Each battery has its model name(or part number，P/N)， you can find them on your original battery.  if you are not sure， you can contact me directly or leave a message to me at any time!
Item description:
Battery type:Li-ion
Battery volt:10.8V
Battery Capacity:Full 4400 mAh
Battery cells:6 cells
Battery Color:Black
Inventory:large in stock
Battery net weight:300g
 
Compatible P/N:
For LENOVO
42T423542T473142T4733
42T473742T475342T4757
51J049957Y4185ASM 42T4703
ASM 42T4752ASM 42T4756ASM 42T4794
ASM 42T4796FRU 42T4702FRU 42T4751
FRU 42T4755FRU 42T4791FRU 42T4793
FRU 42T4795FRU 42T4797FRU 42T4817
FRU 42T4819 
 
Replacement Model:
For LENOVO
ThinkPad E40ThinkPad E50ThinkPad Edge 0578-47B
ThinkPad Edge 14"ThinkPad Edge 14" 05787UJThinkPad Edge 14" 05787VJ
ThinkPad Edge 14" 05787WJThinkPad Edge 14" 05787XJThinkPad Edge 14" 05787YJ
ThinkPad Edge 15"ThinkPad L410ThinkPad L412
ThinkPad L420ThinkPad L421ThinkPad L510
ThinkPad L512ThinkPad L520ThinkPad SL410
ThinkPad SL410 2842ThinkPad SL410 2874ThinkPad SL410k 2842
ThinkPad SL510ThinkPad SL510 2847ThinkPad SL510 2875
ThinkPad T410ThinkPad T410iThinkPad T420
ThinkPad T510ThinkPad T510iThinkPad T520
ThinkPad W510ThinkPad W520ThinkPad T430
   
ThinkPad L430ThinkPad W530ThinkPad T530i
ThinkPad T430iThinkPad T520iThinkPad T530
 
 

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