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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.
2,045 Reviews Scanned
- 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;
- 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 VALUE 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.
- BUY THE CORRECT BATTERY FOR YOUR LAPTOP: The detailed laptop model is usually printed on the back cover of the laptop and the part number is usually on the battery. Press [CTRL + F] to search your laptop model/part number. Confirm your laptop model is in our compatible listings, then please check the part number / output voltage / output capacity and shape of the original battery. They should be same with our battery’s. If you are not sure, please turn to us.
- 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
- 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.
- SPECIFICATION : Battery Type: Li-ion; Voltage : 11.1V; Capacity :8.4Ah 94Wh/8468mAh; Cells: 9 cells; Weight: About 18OZ / 1.13lb; Condition: New.
- 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.
- 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.
- WHAT CAN YOU GET: Packages includes: 1PC 70++ laptop battery. 24x7 Email Support. 60 days money refund / 12 months replacement supported if any issues. We always stand behind our customers to offer you a solution if you need help.
- 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
- Replacement for Lenovo ThinkPad L410 L412 L420 L421 L510 L512 L520 T410 T410i T420 T420i T510 T510i T520 T520i W510 W510 4389 W520
- Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety
Last update on 2025-07-19 / 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..