Skip to content
BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada
Lenovo ThinkPad T420s Thinkpad T420s 4171-A13 Thin Replacement Battery-main
SKU CS-LVT420NB

Lenovo ThinkPad T420s Thinkpad T420s 4171-A13 ThinkPad T420si Laptop and Notebook Replacement Battery

$84.09 - $84.09
$84.09
$84.09 - $84.09
$84.09
Usually Ships in 4 - 7 Business Days
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
INFO
  • This is a replacement compatible with a Lenovo Laptop and Notebook Battery
  • Volts: 11.1V (11.1 Volts)
  • Capacity: 3600mAh (3.6Ah)
  • Type: Li-ion
  • Color: Black
  • Lenovo ThinkPad T420s Thinkpad T420s 4171-A13 ThinkPad T420si Replacement Batteries.
  • Mfgr Part # 0A36287 0A36309 42T4844 42T4845 42T4846 42T4847 45N1036 45N1037 ASM 42T4846
  • Dimensions: 8.68 in. L x 3.06 in. W x 0.52 H in.
  • Weight: 1 lb
  • Warranty: 1 Year

Disclaimer: Our products are not affiliated with or authorized by Lenovo.

FAQs

  • What is the best replacement battery for the Lenovo ThinkPad T420s Thinkpad T420s 4171-A13 ThinkPad T420si Laptop and Notebook Battery?

    The CS-LVT420NB is the best replacement battery for the Lenovo ThinkPad T420s Thinkpad T420s 4171-A13 ThinkPad T420si Laptop and Notebook Battery.

  • What is your return policy and battery warranty?

    Our batteries are backed by easy 30-day returns and a 12-month warranty.

  • How do I find the best replacement Battery?

    Our search tool at the top of the website should give you the best results. Search by brand or part number to see if we have the right match for you.

  • What does Li-ion and Ni-MH mean?

    They represent different types of rechargeable batteries. Li-ion stands for Lithium Ion, lithium ions move from the negative electrode through an electrolyte to the positive electrode during discharge and back when charging. Ni-MH stands for nickel-metal hydride where the negative electrode is made from a hydrogen-absorbing alloy.

  • Do you have a wholesale, reseller and large volume purchase program?

    Yes, our bulk purchasing program saves you money and allow you to obtain the batteries you need in one easy, hassle-free transaction. Apply here.

REQUEST A QUOTE
Talk to a battery expert. (888) 808-3520 Live Chat

Mon-Fri: 8am - Midnight
Sat-Sun: 8am - 10pm

Looking to purchase this product at wholesale prices? Click here
guarantee
30-Day Guarantee

We want you to be 100% satisfied. If for some reason you are not happy, return it to us.

experts
Trusted Battery Experts

We stock low cost, high quality batteries and here to help ensure you make the right purchase.

shipping
Free Shipping

Free shipping on orders over $129, including freight.

warranty
12-Month Warranty

If our product isn’t performing as it should, don’t hesitate to reach out to our customer service team.

More About Laptop and Notebook Batteries

Why choose BatteryClerk replacement batteries?

Exact OEM replacement that fits easily and precisely.

  • High quality, low-cost replacement batteries.
  • A guaranteed fit for your device.
  • Backed by easy 30-day returns and a 12-month warranty.
  • Millions of batteries sold globally.

Ratings and Reviews

Frequently Asked Questions

Questions? Talk to a battery expert.

Mon-Fri: 8am - Midnight
Sat-Sun: 8am - 10pm

Why are prices so low?

All we do is sell replacement batteries, we are very good at that!

Manufacturer's are not able to process smaller orders quickly and efficiently.

BatteryClerk specializes in processing any size order accurately and fast.

When do new orders ship?

All AJC Battery orders placed Monday-Friday leave our warehouse the same day if placed before 2PM EST.

If your order is placed Friday after 2PM through Sunday, your order will be shipped out Monday morning.

What is your warranty policy?

We stand behind our products with 30-day easy returns and a 12 month warranty. Lawn and tractor batteries have a 6 month warranty.

What is the BatteryClerk return policy?

View our return policy.

What battery do I need?

Please enter the brand and model number of your device or battery you need to replace in the search bar at the top of this page. 

As long as the voltage, terminals and dimensions match, then you will be able to use this as a compatible battery replacement option.