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The Best lenovo thinkpad t420 battery of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best lenovo thinkpad t420 battery of 2023. Check our ranking below.

2,757 Reviews Scanned

Rank No. #1

Battery for Lenovo ThinkPad E40 E50 E420 E425 E520 E525 L410 L412 L420 L421 L510 L512 L520 SL410 2842 SL510 T410 T410i T420 T510 T520 W510 W520 ThinkPad Edge 14" 05787UJ 05787VJ 05787WJ 05787XJ

Buy with confidence! Direct from Manufacturer. High performance. Affordable price! We have been manufacturing the laptop battery for 11 years. And We Promise the Laptop Battery’s Quality for Customer.
Grade A cells ensure fast charges and low power consumption; FCC / CE / RoHS Certified, Built-in circuit protection ensures both safety and stability. Replacement Laptop Battery is Rechargeable for Repeat Use and Every Single Lithium Battery Charging More Than 500 Times
WARRANTY: 12 months hassle-free warranty. SERVICE: email support available 24 hours a day, 7 days a week.
Replace Number: ThinkPad 42T4235 42T4708 42T4714 42T4731 42T4733 42T4737 42T4737 42T4753 42T4756 42T4757 42T4757 42T4763 42T4764 42T4798 42T4803 42T4819 42T4848 42T4849 42T4850 42T4851 42T4852 42T4911 42T4911 42T4912 51J0499 51J0499 51J0500 57Y4185 57Y4186 57Y4545 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
NOT Compatible: Lenovo L412 T420S T430 T530 W530 T430i L430 L530, Lenovo ThinkPad T420s T420si 42T4846 42T4847 42T4845 42T4844 45N136 45N137 45N138 45N139

Rank No. #2

70++ 9 Cell 11.1V 94Wh Battery 0A36303 Compatible with Lenovo ThinkPad T430 T430i T410 T420 T420i T510 T520 T530 L412 L420 L430 L512 L520 L530 W510 W520 W530 0A36302 45N1001 45N1000 45N1010 45N1011

SPECIFICATION : Battery Type: Li-ion; Voltage : 11.1V; Capacity :8.4Ah 94Wh/8468mAh; Cells: 9 cells; Weight: About 18OZ / 1.13lb; Condition: New; Packages includes: 1PC 70++ laptop battery (in safety box)
COMPATIBILITY : Replacement battery for Lenovo ThinkPad L410 / L412 / L420 / L421 / L430 / L510 / L512 / L520 / L530 / T410 / T410I / T420 / T420I / T430 / T430I / T510 / T510I / T520 / T520I / T530 / T530I / W510 / W520 / W530 / W530I / SL410 / SL410k / SL510 / SL510K / SL530 / Edge 14" / Edge 15" / E40 / E50 / E420 / E425 / E520 / E525 / Edge 0578-47B Series laptop.
SECURITY : ECHEER 70++ 9-cell batteries have passed strict intelligent detection, such as short circuit protection, over voltage protection, discharge protection, over current protection, which is very important for battery’s use cycle and safety. All batteries are equiped with high quality material to ensure good performance. CE, FCC, RoHS certificated.
WARRANTY & SUPPORT : 1 Year Warranty, replacement or refund supported for any quality problem. 24x7 Email Support.
FACTORY DIRECT SALE : ECHEER has its own factory so we can control strictly on the production. There’re professional engineers to ensure batteries’ quality and safety. Our mission is quality and customer first. Every one of our replacement notebook batteries are tested to meet OEM specifications.

Rank No. #3

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. #4

GHU Premium 48Wh Battery for Lenovo ThinkPad T420, T430, W510, and Lenovo 0A36303 - Fast Charging, UL Tested, 6 Cell, Reusable More Than 500 Times

Premium 48Wh Battery: Our Lenovo T420 Battery is a high-quality, 48Wh battery designed to deliver optimal performance for your Lenovo Thinkpad T420, Lenovo E420 Battery, and Lenovo T420 Battery 6 cell laptops. Compatible part numbers:42T4733 42T4235 42T4731 45N1001 70+ 42T4757 42T4737 42T4753 51J0499 57Y4185 57Y4186. This 6 cell battery 70+ can be used to replace Lenovo 0A36303 9 cell battery. Both 0A36303 and 0A36303 are interchangeable.
Fast Charging: This Lenovo T420 Battery Replacement also features fast charging capabilities, ensuring your Lenovo T430 Battery, Lenovo T430 Battery 9 cell, and Lenovo T430 Refurbished laptops are powered up in no time. Perfect Replacement Battery and Compatible With Lenovo Thinkpad Laptop Models: T410 T410i T420/T420i T430/T430i T510/T510i T520/T520i T530/T530i W510 W520 W530 L410 L412 L420 L421 L430 L510 L512 L520 L530 SL530 W530I 57Y4185 51J0499 N14608.
Passed UL Testing: Our Lenovo T430 Thinkpad Battery, Lenovo T450 Battery, Lenovo Thinkpad Battery T420, Lenovo Thinkpad W510 Battery, and Lenovo Thinkpad W530 Battery have passed rigorous UL Testing, ensuring safety and reliability. For 0a36302 0a36303 (45N1001, 45N1003, 45N1005 45N1007 45N1011 45N1173) oa36302 42t4791 42t4911 42T4799 for thinkpad T410 t410i t510 T420 t420i T430 (not t430s) t430i e430 e530 W510 w520 W530 T520 T530 L412 L410 L420 l430 l510 l512 l520 l530 T420i t520 T520i;
Reuse More than 500 times: Not only is this Lenovo W510 Battery designed for durability, but it can also be reused more than 500 times, making it an excellent choice for Lenovo T420 Battery 6 cell, Lenovo T420 Battery Replacement, and Lenovo T430 Battery 9 cell laptops. For T410/T420/T430/W530/W510/L410/L420/L430 0A36302 0A36304 0A36303 oa36303(45N1001, 45N1003, 45N1005). Please check your old battery, if your old battery is 70+ or 70++ in a red dot, then this is the right battery.
Compatible with Multiple Models: Our battery is also compatible with a wide range of Lenovo models, including Lenovo T430 Refurbished, Lenovo T430 Thinkpad Battery, Lenovo T450 Battery, Lenovo Thinkpad Battery T420, Lenovo Thinkpad W510 Battery, and Lenovo Thinkpad W530 Battery. Compatible with lenovo thinkpad edge E40 E420 E425 e520, E525; lenovo thinkpad sl410, sl510; GHU t420 battery is fully compatible with Lenovo t420 battery, t430 battery, lenovo e520 battery;

SaleRank No. #5

Bovekeey 0A36303 70++ T430 W510 Battery W530 for Lenovo ThinkPad T420 T410 T530 L430 L530 T520 T510 W520 L410 L412 L420 L430 42T4751 42T4793 42T4969 45N1011 45N1010 0A36302, 94WH

POWER SPECS: Brovekeey 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.
Continuous Service- Your repeat business is important for us, 24 hours Support, 60 days money back guarantee, Responsible for any issues in 12- Months!!

SaleRank No. #6

Gomarty T430 Battery for Lenovo Thinkpad 70++ T410 T420 T510 T520 T530 T530I SL410 SL510 E420 E520 W510 W520 W530 45N1001 42T4733 42T4751 42T4752 42T4753 45N1000 42T4731 42T4235 42T4757 42T4755

Gomarty:100% Brand NEW,Battery Type: Li-ion Voltage:10.8V Capacity:57WH Cells:6-cell Color: Black,High Quality Battery for Lenovo
Battery Models:42T4733 42T4235 42T4731 45N1001 70++ 45N1106 45N1107 42T4757 42T4737 42T4753 51J0499 57Y4185 57Y4186,ASM 45N1000 ASM 42T4703 ASM 42T4752 ASM 42T4756 ASM 42T4794 ASM 42T4796,FRU 45N1001 FRU 42T4702 FRU 42T4751 FRU 42T4755 FRU 42T4791 FRU 42T4793 FRU 42T4795 FRU 42T4797 FRU 42T4817 FRU 42T4819
This laptop Battery works with Lenovo Thinkpad L410 L412 L420 L421 L430 L510 L512 L520 L530 T410 ( not the T410S) T410i T420 ( not the T420S) T420i T430 (Not the T430S) T430i T510 T510i (Not the T510S) T520 ( Not the T520S) T520i T530 T530i W510 W520 W530,ThinkPad W510 W520 W530 W530I SL410 SL410k SL510 SL530, ThinkPad Edge 14" 15" 05787YJ 0578F7U,Edge E40 E50 E420 E425 E520 E525 Series
Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability.Customer Questions: Any questions you can contact with us, we will respond within 24 hours.
CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability.12 Months Warranty!!!30 days money return guarantee!!!

Rank No. #7

Bovekeey T430 W510 70++ 0A36303 Battery 94Wh for Lenovo ThinkPad T420 T410 T530 T520 T510 W530 W520 L430 L420 L412 L530 L520 L512 45N1011 45N1010 45N1005 42T4791

POWER SPECS: Bovekeey 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.
FULL MONEY BACK AND FREE EXCHANGE: 90 Days no-questions-asked full money back and 365 Days Free Exchange Guarantee. The return window will be closed after one month, click the button "ASK A QUESTION" and CONTACT US, we will solve it within 24 hours.

Rank No. #8

TREE.NB Laptop Battery for Lenovo Thinkpad T420 T520 T430 T430I T530 T530I W530 L530 L430 PN: 45N1005 45N1004 0A36302 45N1107, 6-Cells

Laptop Battery for Lenovo Thinkpad T420 T520 T430 T430I T530 T530I W530 L530 L430 PN: 45N1005 45N1004 0A36302 45N1107.
Lenovo Thinkpad T420 T520 T430 T430I T530 T530I W530 L530 L430 Series
Lenovo: 45N1005 45N1004 0A36302 45N1107.
✅ All products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety.
Warranty: Free replacement within 12 months(no exchange but resend new one), 30 days money back guarantee. CONTACT US: Please contact through "Your Orders" tab in Amazon account (allow 24hrs for reply).

Rank No. #9

Dtk Laptop Battery for Lenovo Thinkpad E40 E50 Edge 0578 E420 E425 E520 E525 L410 L412 L420 L421 L510 L512 L520 Sl410 Sl410k Sl510 T410 T410i T420 T510 T510i T520 W510 W520 Notebook Battery

Battery type: Li-ion; Capacity: 5200mAh; Cells: 6-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(6-cell, 5200mah): Around 2 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. #10

Gintai CR2032 Replacement for Lenovo ThinkPad T400 T400s T410 T410s T420 T420s T430 T430s/T41 T43 T42 T40 T410I T420I T43p T40p P50S P51 P70 P71 Laptop Cmos Power Battery Cable

Replacement for Lenovo ThinkPad T400 T400s T410 T410s T420 T420s T430 T430s /T41 T43 T42 T40 T410I T420I T43p T40p P50S P51 P70 P71
P/N:02K7078 04W0010 04W1642 04W4240 92P0986 01AW186 01AW187 01LW332 02K6572 5B10S34090 04Y1784 04Y1785
for Lenovo T460s 20F9 20FA/T560 20FH 20FJ/P50s 20FK 20FL/T460 20FM 20FN/L460 20FU 20FV/T460p 20FW20FX/T470s 20HF 20HG 20JS 20JT/P51 20HH 20HJ 20MM 20MN/P71 20HK 20HL/L470 20J4 20J5 20JU 20JV/T470p 20J620J7/
for Lenovo X230 2306 2320 2322 2324 2325 2330 2333 3434 3435 3436 3437 3438 3441 3442/T430 2342 2344 2345 2347 2349 2350 2351/T530 2359 2392 2393 2394 2429 2430 2434/W530 2436 2438 2439 2441 2447 2449 2463/Edge E330 3354/Edge E335 3355/Edge L330 3470
for Lenovo T420i 4177 4178 4179 4180 4236/T420 4237 4238/T520 4239 4240 4241 4242 4243 4244 4246/W520 4249 4260 4270 4276 4281 4282 4284/X220i 4286 4287 4290/X220 4289 4291 4292 4293/X220 4294 4296 4297 4298 4299 4300 4301

Rank No. #11

LQM 11.1V 94Wh/8.4Ah New Laptop Battery for Lenovo ThinkPad 55++ T410 T420 E420 T510 T510i T520 T520i W510 W520 57Y4186 42T4799 42T4798

Battery type:Li-ion Voltage:11.1V Capacity:94WH/8.4AH
Replacement for For Thinkpad L410 L412 L420 L510 L512 L520 T410 T410i T420 T510 T510i T520 W510 W520 55++
Also fit 42T4853 42T4799 42T4912
12 Months Warranty,30 days money return guarantee

Rank No. #12

0A36303 0A36302 Laptop Battery Compatible with Lenovo ThinkPad T430 T530 W530 T420 T410 T520 T510 W510 W520 L412, 42T4751 42T4793 42T4755 42T4763 42T4848 45N1000 42T4791 51J0499 42T4235 (97Wh 9-Cell)

POWER SPECS: Type: 0A36303 0A36302, Capacity: 8700mAh / 94Wh (or 8400mAh / 94Wh ), Voltage: 10.8V / 11.1V, Battery type: 70++ 9 Cell Lithium-Ion, 100% brand new. We have concentrated on the laptop batteries production for more than twenty years. Each of our 0A36303 0A36302 70++ 9 Cell 94Wh Laptop Battery for ThinkPad is CE-/FCC-/RoHS-Certified.
COMPATIBILITY: ThinkPad L412 L420 L430 L512 L520 L530 T410 T410 T420 T420 T420i T430 T430i T510 T520 T520i T530, ThinkPad W510 W520 W530 W530i Mobile Workstation. P/N: 0A36303 0A36302 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.
TOP QUALITY MATERIAL THAT LASTS: Our 0A36303 0A36302 laptop battery for ThinkPad is an upgraded version. In order to increase the operating time, our batteries are assembled from top quality material and circuit boards to ensure fast charges and low power consumption. You can use it safely and buy it with confidence at any time.
GREAT PRICE AND EASY TO INSTALL: Our 0A36303 0A36302 laptop battery for ThinkPad is much cheaper than an original store replacement and it works exactly as described. It is also easy to install, no need to worry about that. It is also portable and you can take it along on the journey or any other places you would like to go.
90 DAYS FULL MONEY BACK AND 365 DAYS FREE EXCHANGE: 90 Days no-questions-asked full money back and 365 Days Free Exchange Service. The return window will be closed after one month, no need to worry about it, if any issues about the product within 365 days, click the botton ""ASK A QUESTION"" and CONTACT US, we will solve it within 24 hours. We have warehouses in NY, making sure that you could have a high-quality after-sale service. Press [CTRL + F] to search your laptop model/part number.

Rank No. #13

GHU New Battery 70+ 58 WH Replacement for 0A36302 0A36303 45N1001 42T4733 Compatible with Lenovo Thinkpad T410 T420 T430 W530 W510 W520 L410 T530 L420 L430 42T4235 42T4731 42T4757 42T4737 42T4753

Made with Premium Battery cell fast charging and last longer. Replacement For 42T4733 42T4235 42T4731 45N1001 70+ 42T4757 42T4737 42T4753 51J0499 57Y4185 57Y4186 57Y4185 51J0499. This 6 cell battery 70+ can be used to replace For Lenovo 0A36303 9 cell battery. Both 0A36303 and 0A36304 are interchangeable. This battery is the enhanced version extended life battery for Lenovo T410 T420 laptop/Notebook.
Replacement For Lenovo Thinkpad Laptop Models: e420 e520 e525 e530 l410 l412 l420 l430 l510 l512 l520 l530 sl410 sl510 t t410 t410i t420 t420i t430 t430i t510 t520 t520i t530 w510 w520 w530.
New GHU Battery Replacement For lenovo laptop battery/batteries 6 cell 10.8v 70+ 0a36302 0a36303 (45N1001 45N1003 45N1005 45N1007) oa36302 42t4791 42t4911 for thinkpad T410 t410i t510 T420 t420i T430 t430i e430 e530 W510 w520 W530 T520 T530 L412 L410 L420 l430 l510 l512 l520 l530 T410s T420i t520 T520i.
New GHU Battery 70+ 58 Whr Replacement For Lenovo Thinkpad T410/T420/T430/W530/W510/L410/L420/L430 0A36302 0A36304 0A36303 (45N1001 45N1003 45N1005). Please check your old battery if your old battery is 70+ or 70++ in a red dot then this is the right battery. If you have T L W series laptop and you are not sure about battery you shall check the part number on your old battery. Sometime 45N1001 is printed on your old battery.
24 Hours Email Customer Support. Replacement For 0a36302 0a36303 0a36304 40y7625 42t4235 42t4731 42t4733 42t4751 42t4752 42t4753 42t4755 42t4757 42t4791 42t4793 42t4795 42t4796 42t4797 42t4911 45n1000 45n1001 45n1005 45n1105 51j0499 57y4185 57y4186 42T4799 45N1173.

Rank No. #14

Boyuteceer 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.

Rank No. #15

NBULBL 42N1000 45N1001 70+ Laptop Battery Replacement for Lenovo Thinkpad T410 T420 T430 T510 T520 T530 T530I SL410 SL510 E420 E520 W510 W520 W530 42T4733 42T4751 42T4752 42T4753 42T4731 42T4235

【Battery type】Li-ion; Voltage: 10.8V. Capacity: 57Wh 5200mAh .
【Compatible Part Number】42T4708 42T4714 42T4731 42T4733 42T4737 42T4753 42T4756 42T4757 42T4763 42T4764 42T4798 42T4803 42T4819 42T4848 42T4849 42T4850 42T4851 42T4852 42T4911 42T4912 51J0500 57Y4185 57Y4186 57Y4545 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 (0A36303)
【Replacement For Laptop】T410 T410i T420/T420i T430/T430i T510/T510i T520/T520i T530/T530i W510 W520 W530 L410 L412 L420 L421 L430 L510 L512 L520 L530 SL530 W530I 57Y4185 51J0499.
【Use Skills】If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected.Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
【Connector】Before placing your order,Please refer to the picture and check it.Because the products produced by different factories will have differences, such as size, cable length, interface, etc.

Rank No. #16

LXHY 0A36303 11.1V 94Wh 70++ Laptop Battery Compatible with Lenovo ThinkPad T420 T520 T410 T430 T530 L412 L510 L420 W510 W520 SL410 SL510 Edge 14"" 15"", 9-cell Replacement 42T4753 42T4235 51J0499

Battery Type: Lithium-Ion ; Model Name: 0A36303 0A36302 FRU P/N 45N1007 ; Voltage: 11.1V ; Capacity: 8.4Ah/94Wh ; Cells: 9-cell; Condition: 100% New from Manufacturer.
Compatible for Lenovo Thinkpad T410 T410i T420 T420i T430 T430i T510 T510i T520 T520i T530 T530i Thinkpad L410 L412 L420 L421 L430 L510 L530S W510 SL410 2842 Edge 14"" 0578F7U E40 E50 dell battery.
Compatible for ASM P/N 42T4703 42T4752 42T4756 42T4794 42T4796 45N1000 45N1004 45N1106 FRU P/N 45N1001 45N1005 42T4765 0A36303 0A36302 45N1007 45N1011 45N1006 42T4799 42T4969 for dell battery.
High Quality Security: Our 0A36303 0A36302 Battery has passed the intelligent and reliable safety inspection UL-/CE-/FCC-/RoHS.Quicker charging, lower power consumption and longer discharge time.
Warranty : 90 Days Money Back Guarantee; 12 Months Warranty; 24 x 7 Email Support.Any question please contact us directly through the "Ask a question".Response will be reached in 24 hours.

Rank No. #17

11.1V 94Wh 55++ SL410 Laptop Battery Replace for Lenovo ThinkPad T420 T410 T510 T520 W510 W520 L410 L412 L420 42T4235 Edge 14" 15" E40 E50 E420

Battery type: Li-ion ; Voltage: 11.1V ; Capacity: 94WH 50++
Replacement for Thinkpad Edge E40 E50 E420 E425 E520 E525, Lenovo IBM ThinkPad SL410 SL410k SL510 T410 T420 E420 T510 T510i T520 T520i W510 W520 Battery
Compatible Model: 42T4853 42T4799 42T4912 42T4708 42T4709 42T4710 42T4712 42T4714
Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety
24 x 7 Email Support, 12-Month warranty, 30 Days Money Back Guarantee

Rank No. #18

BOWEIRUI 42T4799 55++ Laptop Battery Replacement for Lenovo Thinkpad L410 L412 L420 L510 L512 L520 T410 T410i T420 T510 T510i T520 W510 W520 Series Notebook 42T4969 42T4798 42T4912 42T4936 42T4802

【Specifications】Battery Model : 42T4799 ** Voltage: 11.1V ** Capatity: 94Wh ** Type: Li-ion Battery.
【Replacement for Part Number】42T4799 42T4802 42T4969 42T4798 42T4799 42T4912 55++ .
【Compatible with Laptop Models】Lenovo Thinkpad L410 L412 L420 L510 L512 L520 T410 T410i T420 T510 T510i T520 W510 W520 Series.
【Safe and Stable Quality】 Package includes: 1*battery and 1*Instructions. 12 months' warranty；30-day money back guarantee. CE certified and strictly test to ensure both safety and stability
【Purchasing Note】Before you place the order, please check and confirm your laptop model, original battery model and appearance, compared with our battery image, make sure that's what you need. Especially the location of the connector and the cable length (long or short)

Rank No. #19

LeFix CMOS RTC BIOS Battery Compatible with Lenovo Thinkpad T60 T60P T61 T61P R50 R51 R52 R53 R60 R60e R61 R61i T400 T500 R400 R500 T410 T410i T410s T420 T420i T420s T430 T430i |X220 X220i X230 X300

This is a genuine and high quality RTC CMOS Battery
There are 2 different FRUs in the stock.We ship your order at random.They are compatible
It compatible with most T series from IBM legacy model T4 to T430.Some E Series are compatible,too

Rank No. #20

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.

Last update on 2023-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What kind of battery does the ThinkPad T420 have?

A: The ThinkPad T420 is rated for 15 hours with the standard 9 cell battery, and can be extended to 30 hours using the T series slice battery which stacks on the bottom. Slice batteries add weight, but they don’t extend out the back of the notebook like many extended consumer batteries do.

Q: What to do if your Lenovo phone loses charge?

A: The power circuitry will shut off charging when appropriate so it won’t cook the battery like in an old phone. You can set start and stop points in Lenovo Vantage to limit how often it will charge.. An unplugged Lithium battery will slowly lose charge.

Q: What kind of GPU does Nvidia T420 have?

A: The T420 can be configured with a Discrete NVIDIA NVS 4200M (1GB VRAM) GPU with Optimus technology that can automatically switch between the integrated and discrete GPU to provide peak performance without sacrificing battery life. The 14.0″ display has a 1366×768 resolution as default,…

Q: What happens if you leave the battery out on a Lenovo Vantage?

A: The battery cannot be charged. Replace the battery. Leaving the battery out is a mistake. The power circuitry will shut off charging when appropriate so it won’t cook the battery like in an old phone. You can set start and stop points in Lenovo Vantage to limit how often it will charge..