1. Please ensure that the shipping address is 100% correct.

Please ensure that your address can receive the package.

2. Please provide the correct phone number

Specifications:

Battery Type: Li-ion

Voltage: 15.44V

Capacity: 57WH

Compatible with Part Number :

L20C4P71, L20D4P71, L20L4P71, L20M4P71SB10T83217 5B10W13974SB10T83218 5B10W13975SB10T83215 5B10W13972SB10T83216 5B10W1397341CP5/41/108

Compatible With Models:

For Lenovo ThinkPad X1 Carbon Gen 9For Lenovo ThinkPad X1 Carbon Gen 9 2021For Lenovo ThinkPad X1 Carbon G9-20XW

Safety

Our batteries are UL/CE-/FCC-/RoHS certified for safety protection
Over-voltage protection
High voltage protection
Short circuit protection
Over-temperature protection

Safety

Our batteries are UL/CE-/FCC-/RoHS certified for safety protection
Over-voltage protection
High voltage protection
Short circuit protection
Over-temperature protection

Here are some warm tips:

It is recommended to fully charge the battery when using it for the first time IF the battery is not charging？
1. make sure that the battery cable and the motherboard interface are tightly inserted2. Laptop motherboard may be defective3. The battery dose not fit for your laptop(Please ensure that you have purchased the correct battery model)4. Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.5. There is a problem with the computer detection software, which usually just restart the computer.

IF "Item not received"

Almost all packages will be delivered within the expected time.
Very few packages cannot be delivered on time due to bad weather conditions and uncontrollable factors.
(If your package delivery fails, we will refund or send you a replacement)

If something goes wrong, please feel free to contact our customer service first. Our customer service will reply to you within 48 hours (there is a time difference between us, weekends are not business days) and provide you with a reasonable solution. Don't worry, your order has a protection period of several months.In order to solve the problem for you faster, it is recommended to tell customer service about the specific model of your laptop or attach a picture of your original battery when you send an email to them.