The Best thinkpad t520 battery of 2021 – Top 10 and Rankings

If you’re looking for thinkpad t520 battery but don’t know which one is the best, we recommend the first out of 10 thinkpad t520 battery in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
New Replacement Laptop Battery for Lenovo ThinkPad T410 T510 T520 W510 E40 E50 E420 E425 E520 E525 L410 L420 L510 L520 L412 L512 SL410 SL510 50+ Battery
  • WHO WE ARE & WHAT WE DO: We all know that people's work and even life are closely related to laptops, so for many years, Ulvench has been producing high-quality batteries and adapters by focusing on people's needs, and that's why all of our products have undergone rigorous safety and reliability testing and meet the safety standards of global electronic products.
  • WE FOCUS ON PRACTICAL TECHNOLOGIES: In the past few years, we have built our products by focusing on our brands, simplifying the way we work, improving our technology, and Improve our insight into the changing needs of consumers.
  • PRODUCTS SPECIFICATIONS: Battery Type: Li-ion Capacity: 57 Wh; Cells: 6-cell; Voltage: 10.8V. Fit Models: Lenovo ThinkPad Edge E40 E50 E420 E425 E520 E525 L410 L420 L510 L520 L412 T410 T510 T410i T510i T520 T520i W510 W520 W510 4389 SL410 2842 SL410 2874 SL410K 2842 SL510 2847 SL510 2875.
  • Replacement for: Lenovo ThinkPad 51J0499 57Y4186 45N1001 45N1005 42T4791 42T4755 42T4790 42T4793 42t5263 42T4801 42T4708 42T4797 42T4911 42T4733 42T4763 42T4752 42T4756 42T4765 42T4731 42T4710.
  • After sales service: We hope that buyers will have a better shopping experience, so we will provide a replacement policy (if the product is damaged within 12 months), and shoppers totally can buy it with confidence!
Rank No. #2
TECHEER 70++ 94Wh 0A36303 Laptop Battery Compatible with Lenovo ThinkPad T430 T420 T410 T530 T520 T510 W530 W520 W510 L430 L420 L412 L530 L520 L512 45N1011 45N1010 0A36302 45N1005 42T4791
  • POWER SPECS: TECHEER specialized in Laptop Accessories including Laptop Batteries, Adapters and other Electronics. Battery Type: Li-ion; Voltage: 10.8V/11.1V Capacity: 7800mAh / 94Wh;Cells: 9-cell;color: Black, Each of our product is CE-/FCC-/RoHS-Certified.
  • COMPATIBILITY: Lenovo ThinkPad L412 L420 L430 L512 L520 L530 T410 T410 T420 T420 T420i T430 T430i T510 T520 T520i T530, ThinkPad W510 W520 W530 W530i !!! NOT compatible with the T410S, T420S, T430S, T530S Models battery.
  • COMPATIBLE P/N: Lenovo 70++ 0A36303 0A36302 42T4852 42T4927 42T4969 45N1007 45N1011 45N1001 45N1005 42T4235 42T4756 42T4798 42T4848 42T4911 51J0499 57Y4185 42T4752 42T4751 42T4793 42T4755 42T4763 42T4848 42T4235 42T4911 45N1000 45N1001 45N1005 45N1011 45N1004 42T4791 51J0499 42T4852 42T4757 42T4752 42T4756 42T4819 42T4817 42T4796 45N1007 42T4753 42T4733 42T4803 42T4795 42T4851
  • FITS PROPERLY AND CHARGES FAST: 100% New from Manufacturer Grade A cells ensure fast charges and low power consumption ; Adopted upgraded circuit board to increase the operating time by 25%.factory direct supply and best price ; Built-in-circuit protection overcharge protection, over voltage protection ensures both safety and stability.
  • OUR SERVICE: your repeat business is important for us, 24 x 7 Email Support,Fast Shipping from US, best price, products and service, 30 days money back guarantee, 24- Months Warranty!!!(The return window will be closed a month after you received the the product. CONTACT US, we will make it up and solve it more efficiently).
Rank No. #3
New Replacement Laptop Battery for Lenovo ThinkPad T410 T510 T520 W510 W520 L412 L420 L512 SL410 SL510 50+ Battery fits P/N Lenovo 0A36303 42T4799 42T4751 42T4235 42T4753 42T4796
  • Battery Type: Li-ion Capacity: 57 Wh; Cells: 6-cell; Voltage: 10.8V.
  • Replacement for: Lenovo ThinkPad 51J0499 57Y4186 45N1001 45N1005 42T4791 42T4755 42T4790 42T4793 42t5263 42T4801 42T4708 42T4797 42T4911 42T4733 42T4763 42T4752 42T4756 42T4765 42T4731 42T4710 Battery.
  • Fit Models: Lenovo ThinkPad Edge E40 E50 E420 E425 E520 E525 Laptop Battery.
  • 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE-/FCC-Certified for safety.
  • If you have any quality problems within one year,you can contact us at any time for after-sales service.
Rank No. #4
Dtk Extended Laptop Notebook Battery Replacement for Lenovo IBM Thinkpad E40 E50 0578 E420 E425 E520 E525 L410 L412 L420 L421 L510 L512 L520 Sl410 Sl510 T410 T420 T510 T520 W510 W520 10.8V 7800MAH
  • Battery type: Li-ion; Capacity: 7800mAh; Cells: 9-cell; Voltage: 10.8V.
  • Compatible Models: LENOVO ThinkPad E40 E50 Edge 0578-47B Edge 14" 05787UJ d 14" 05787VJ 14" 05787WJ Edge 15" E420 E425 E520 L410 L412 L420 L421 L510 L512 L520 SL410 2842 SL410 2874 SL410k 2842 SL510 SL510 2875 SL510 T410 T410i T420 T510 T510i T520 T520i W510 W520.
  • Compatible Part Numbers : 42T4235 42T4708 42T4714 42T4733 42T4756 42T4764 42T4798 42T4803 42T4819 42T4848 42T4911 51J0499 57Y4185 57Y4545 ASM 42T4703 42T4752 42T4794 42T4702
  • Operation time for standard batteries(9-cell, 7800mah): Around 3 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.
  • All DTK batteries are UL/CE-/FCC-/RoHS certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections.Strict guidelines for compatibility, and standards compliance for environment safety.Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 500 recharge cycles .
Rank No. #5
BYTEC 9-Cell 94Wh 70++ 0A36303 Laptop Battery Compatible with Lenovo ThinkPad T430 T420 T410 T530 T520 T510 W530 W520 W510 L430 L420 L412 L530 L520 L512 45N1011 45N1010 0A36302
  • 【Quality & Powerful】: BYTEC Laptop battery for Lenovo ThinkPad 70++ is made of top quality ABS+PC material, high temperature resistance and super durable. Equipped with grade A battery cells to ensure fast charge and low power consumption. Adopted upgraded circuit board to increase the operating time by 25%. 9 cells, 11.1v voltage, 94WH 100% full high capacity make it super powerful to support your laptop for longer time without charge. Over 500 charge and discharge recycle life time.
  • 【Safety】: As a professional laptop battery seller, we we focus on our battery quality all the time. Built-in circuit protection, overcharge protection, over voltage protection ensures both safety and stability. Products are CE-/FCC-/RoHS-Certified. Please feel free to use it.
  • 【Compatible P/N】: For Lenovo 70++ 0A36303 0A36302 42T4852 42T4927 42T4969 45N1007 45N1011.
  • 【Compatible Model】: For Lenovo ThinkPad L412, L420, L430, L510, L512, L520, L530, T410, T420, T430, T510, T520, T530, W510, W520, W530, NOT compatible with the T410S, T420S, T430S, T530S Models battery.
  • 【Warranty】: Your shopping experience is important to us. Any questions, please feel free to contact us. we promise that we will help you to solve questions ASAP. 24 x 7 Email Support, free exchange in 12 months, 30 days money back guarantee.
Rank No. #6
LQM 11.1V 94Wh/8.4Ah New Laptop Battery for Lenovo ThinkPad 70++ T430 W530 T530 L430 L530 45N1011 45N1010 0A36303
  • Brand New - High Quality,9 cell,11.1V,94Wh/8.4Ah Battery
  • Compatible with: L412 L420 L430 L512 L520 L530 T410 T420 T430 T510 T520 T530 W510 W520 W530 70++
  • Not compatible with the T410S, T420S or T430S, T530S
  • 12 Months Warranty,30 days money return guarantee
Rank No. #7
9 Cell Extended Life Battery for ThinkPad E40 E50 L410 L412 L420 L421 L510 L512 L520 T410 T420 T510 T520 W510 W520 E420 E425 E520 E525, 14" 05787UJ 05787VJ 05787WJ 05787XJ
  • Full compatible with your original battery,brand new from Professional Manufacturer, CE RoHS certified,grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability
  • Expected operation time: 1.5-3 hours. This may vary, depending on device type and the way it is used.
  • 12 months hassle-free warranty, 24 x 7 Email Support service.We provide best prices possible on the highest quality products and the most popular brands. Please check if this battery is compatible with your computer before purchasing.
  • Fits models: ASM 42T4703 ASM 42T4752 ASM 42T4756 ASM 42T4794 ASM 42T4796 FRU 42T4702 FRU 42T4751 FRU 42T4755 FRU 42T4791 FRU 42T4793 FRU 42T4795 FRU 42T4797 FRU 42T4817 FRU 42T4819
  • More Part numbers of compatible batteries and Computers are listed as following
Rank No. #8
70++ 0A36303 11.1V 94Wh Battery Replacement for Lenovo ThinkPad T420 T520 T410 T430 T530 L412 L510 L420 W510 W520 SL410 SL510 Edge 14" 15" 42T4753 42T4235 51J0499
  • PRODUCT SPECS: 0A36303 ; Battery type: Li-ion ; Voltage: 11.1V ; Capacity: 94WH ; 9 A+ Cells.With Two Free Screwdrivers. 100% Brand New.Before your purchase, please confirm your original battery model, shape. More details like voltage and capacity will be better. Or contact the CUSTOMER SERVICE through the "Ask a question" window on the right corner of the store page. Response will be reached in 24h.
  • REPLACEMENT P/N: ASM P/N 42T4703 42T4752 42T4756 42T4794 42T4796 45N1000 45N1004 45N1106; FRU P/N 45N1001 45N1005 45N1107 42T4702 42T4751 42T4755 42T4817 42T4819; 42T4803 42T4912 51J0499 51J0500 57Y4185 57Y4186 57Y4545 0A36303 0A36302 45N1007 45N1011 45N1006 42T4799 42T4853 42T4927 42T4969.
  • COMPATIBLE MODELS: Thinkpad T410 T410i T420 T420i T430 T430i T510 T510i T520 T520i T530 T530i; Thinkpad L410 L412 L420 L421 L430 L510 L512 L520 L530 L530S; ThinkPad Edge 14" 05787UJ / Edge 14" 05787VJ / Edge 14" 05787WJ / Edge 14" 05787XJ / Edge 0578-47B / Edge 15" / Edge E420 / Edge E425 / Edge E520 / Edge E525; E40 E50.
  • All batteries are certified by UL-/CE-/FCC-/RoHS. As a professional laptop accessories manufacturer with decades of experience, we have been committed to providing customers with better products, constantly overcoming technical problems. If you have any doubts about laptop accessories, we are happy to serve you. Customer first is our aim.
  • OUR SERVICE TEAM including excellent after-sales managers and technicians are served for your after-sales problem. More guarantees confidence: Full Refund within 60 days; 12 months Warranty; 24 x 7 Email Support. Amazon's return window will be closed after 30 days. If you need help, please contact us directly.
Rank No. #9
94WH T430 Battery Compatible with Lenovo ThinkPad 70++ T430 T420 T410 W530 T530 L430 L530 T520 T510 W510 W520 L410 L412 L420 L430 42T4751 42T4793 42T4969 45N1011 45N1010 0A36302 0A36303
  • POWER SPECS: TECHEER specialized in Laptop Accessories including Laptop Batteries, Adapters and other Electronics. Battery Type: Li-ion; Voltage: 10.8V/11.1V Capacity: 7800mAh / 94Wh;Cells: 9-cell;color: Black, Each of our product is CE-/FCC-/RoHS-Certified.
  • COMPATIBILITY: Lenovo ThinkPad L412 L420 L430 L512 L520 L530 T410 T410 T420 T420 T420i T430 T430i T510 T520 T520i T530, ThinkPad W510 W520 W530 W530i !!! NOT compatible with the T410S, T420S, T430S, T530S Models battery.
  • COMPATIBLE P/N: Lenovo 70++ 0A36303 0A36302 42T4852 42T4927 42T4969 45N1007 45N1011 45N1001 45N1005 42T4235 42T4756 42T4798 42T4848 42T4911 51J0499 57Y4185 42T4752 42T4751 42T4793 42T4755 42T4763 42T4848 42T4235 42T4911 45N1000 45N1001 45N1005 45N1011 45N1004 42T4791 51J0499 42T4852 42T4757 42T4752 42T4756 42T4819 42T4817 42T4796 45N1007 42T4753 42T4733 42T4803 42T4795 42T4851
  • FITS PROPERLY AND CHARGES FAST: 100% New from Manufacturer Grade A cells ensure fast charges and low power consumption ; Adopted upgraded circuit board to increase the operating time by 25%.factory direct supply and best price ; Built-in-circuit protection overcharge protection, over voltage protection ensures both safety and stability.
  • OUR SERVICE: your repeat business is important for us, 24 x 7 Email Support,Fast Shipping from US, best price, products and service, 30 days money back guarantee, 24- Months Warranty!!!(The return window will be closed a month after you received the the product. CONTACT US, we will make it up and solve it more efficiently).
SaleRank No. #10
Lenovo Genuine 9 Cell Extended Life Thinkpad Battery 70++ ( Mfg p/n; 0A36303 - 70++ , Original Sealed Manufacturers Retail Packaging )
  • Brand Lenovo, Model 0A36303 / Genuine Lenovo product In the Factory Sealed Original Lenovo Retail Packaging.
  • Lenovo 0a36303 9 Cell Extended Life / High Capacity Battery 70++ , Weighs 500 g (1.10 lb), Battery energy (Watt-hours): 94 Wh .
  • Lenovo Thinkpad models : L412 , L420 , L430 , L512 , L520 , L530 , T410 ( not the T410S), T410i, T420 ( not the T420S) T420i, T430 ,(Not the T430S) , T430i, T510 (Not the T510S), T520 ( Not the T520S) , T520i, T530 , W510 , W520 , W530.
  • Warning - ITEM IS NOT USED in the T410S, T410SI, T420S , T420SI, T430S, T430SI, E Series , X Series, Tablet notebooks, P Series , T440 Series , T450 Series . Lenovo model #'s are suffix specific
  • Lenovo 9 cell extended life batteries will stick out of the battery compartment by 1 Inch.

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  2. Features:What bells and whistles matter for an thinkpad t520 battery?
  3. Specifications: How powerful they are can be measured.
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  5. Customer Ratings: Number ratings grade thinkpad t520 battery objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their thinkpad t520 battery.
  7. Product Quality: You don’t always get what you pay for with an thinkpad t520 battery, sometimes less, and sometimes more.
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