Welcome to AURUNHO ! AURUNHO Specializing in the Production,Wholesale and Retail of laptop batteries. We always adhered to "Quality first,Service creates Valuations!" business purposes.
We have a professional team on the laptop batteries manufacture. Each aspect and processes are rigorously testing and control.
Whenever you need laptop batteries, AURUNHO batteries will be the perfect choice for you. We are glad to help you for any battery problems within 24hs.
May you enjoy your shopping trip in AURUNHO!

Note:Please open the back case of your laptop and find the exact part number of your laptop's original battery Before placing your order.
If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected.

Specifications:
①.Battery Type: Rechargeable Li-ion Battery
②.Model: L20M4P71
③.Voltage: 15.44V
④.Capatity: 57Wh/3695mAh

⑤.Compatible Models (use "Ctrl+F to find your model quickly")
For Lenovo ThinkPad X1 Carbon 9th Gen (X1 Carbon 2021) Series (Type 20XW, 20XX) For Lenovo ThinkPad X1 Carbon 10th Gen (X1 Carbon 2022) Series (Type 21CB, 21CC) for Lenovo ThinkPad X1 Carbon 2023 11th Gen (Type 21HM, 21HN) Series for Dell Precision 7780 Series For Lenovo ThinkPad X1 Yoga 6th Gen (X1 Yoga 2021) Series (Type 20XY, 20Y0) For Lenovo ThinkPad X1 Yoga 7th Gen (X1 Yoga 2022) Series for Lenovo ThinkPad X1 Yoga 2023 8th Gen (Type 21HQ, 21HR) Series;

.⑥Compatible Part Numbers：
L20C4P71 L20L4P71 L20M4P71 L20D4P71 SB10T83215 SB10T83216 SB10T83217 SB10T83218 5B10W13972 5B10W13973 5B10W13974 5B10W13975 4ICP5/41/108

⑦.Package included:
1X L20M4P71 battery
One set of screwdrivers tool
1X Instruction manual

⑧.Tips for Optimal Use battery:
Discharge the new battery to 5%-10% (not 0%), then charge and cycle 3-4 times to get the new battery a full capacity.
The important point is to perform a full discharge charge every other month to extend battery life.
Don't connect adapter for a long time while using the battery. It may damage the battery.
Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of the battery in fire or water.
Avoid using the battery in an environment where the temperature is too high or too low.