Why do I need a battery?
The battery can keep your computer still working when the power is off, the high capacity battery can be used even longer.

How to order battery?
The best way to find the battery you need is searching by the original battery code, and compare the picture of the battery, check the interface

Use "Ctrl+F" to search the key words from the website
if you still can not make sure the battery, please contact us.

For the shipment, we will provide the tracking number and the shipping method.

Please take care your battery, the recharge cycle is based on how you use the battery, don't overcharge, don't keep the battery in the wet environment, and please don't put water on the battery. Thank you

This Laptop Battery can replace the following part numbers:
For Lenovo
42T4708                               42T4709                                42T4710
42T4712 42T4714 42T4715
42T4731 42T4733 42T4735
42T4737 42T4753 42T4757
42T4799 42T4801 42T4803
51J0499 51J0500 57Y4185
57Y4186 ASM 42T4703 ASM 42T4711
ASM 42T4752 ASM 42T4756 ASM 42T4794
ASM 42T4796 FRU 42T4702 FRU 42T4710
FRU 42T4751 FRU 42T4755 FRU 42T4791
FRU 42T4793 FRU 42T4795 FRU 42T4797
FRU 42T4799                         FRU 42T4801 FRU 42T4803
FRU 42T4817 FRU 42T4819

This Laptop Battery is also compatible with the following models:
For Lenovo
For ThinkPad E40                               For ThinkPad E50                            For ThinkPad Edge 0578-47B
For ThinkPad Edge 14" For ThinkPad Edge 14" 05787UJ For ThinkPad Edge 14" 05787VJ
For ThinkPad Edge 14" 05787WJ For ThinkPad Edge 14" 05787XJ For ThinkPad Edge 14" 05787YJ
For ThinkPad Edge 15" For ThinkPad L410 For ThinkPad L412
For ThinkPad L420 For ThinkPad L421 For ThinkPad L510
For ThinkPad L512 For ThinkPad L520 For ThinkPad SL410
For ThinkPad SL410 2842 For ThinkPad SL410 2874 For ThinkPad SL410k 2842
For ThinkPad SL510 For ThinkPad SL510 2847 For ThinkPad SL510 2875
For ThinkPad T410 For ThinkPad T410i For ThinkPad T420
For ThinkPad T510 For ThinkPad T510i For ThinkPad T520
For ThinkPad T520i For ThinkPad W510 For ThinkPad W520
          








About us
We selling all of our products in strict compliance with CE, FCC and UL quality regulations. Through service, now our products are used worldwide in such countries and regions as Europe, America, Japan, Hong Kong, and Middle East. High quality products and comprehensive services have resulted in a high rate of customer satisfaction which has helped us to earn a great reputation in this line of business.
Our vision:
Yunda to be provide the highest quality products and experitise to its clients and ensuring that our extensive network of partners all benefit through their association with us.
1.Quality customer service.
2. Networks of long term relationships based on mutual benefits.
3.Innovative and creative solutions to meet partners needs.
4.Cost effective methods of enhancing the business