L20C4P71 Laptop Battery 57Wh 4-Cell Compatible with Lenovo ThinkPad X1 Carbon 9th / 10th / 11th Gen/ThinkPad X1 Yoga 6th / 7th / 8th Gen Series L20M4P71 L20D4P71 L20L4P71

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Step 1: Press the "Windows + R" keys to pop up the window.
Step 2: Enter "msinfo32" and click "OK".
Step 3: View the "System Model" in the right pane.
Step 1: Shut down the laptop and unplug the power cord.
Step 2: Carefully use a screwdriver to remove the back panel to prevent damage to laptop components.
Step 3: Disconnect the cable connected to the battery, then you can check the model number and specific specifications on the battery.
Brand new battery
Rechargeable up to 1000+ times
Overcharging protection
Overheating protection
Short circuit protection
professional
Battery Model:L20C4P71
Capacity: 57Wh 3695mAh 4-Cell
Voltage: 15.48V
Battery Type: Li-ion
Condition: Brand New
Replace Part Number:
L20C4P71 SB10T83217 5B10W13974
L20L4P71 SB10T83215 5B10W13972
L20M4P71 SB10T83216 5B10W13973
L20D4P71 SB10T83218 5B10W13975
Compatible Laptop Models: (use"Ctrl+F" to find your model quickly)
for Lenovo ThinkPad X1 Carbon 9th Gen (Type 20XW, 20XX) series
for Lenovo ThinkPad X1 Carbon 10th Gen (Type 21CB, 21CC) series
for Lenovo ThinkPad X1 Carbon 11th Gen (Type 21HM, 21HN) series
for Lenovo ThinkPad X1 Yoga 6th Gen (Type 20XY, 20Y0) series
for Lenovo ThinkPad X1 Yoga 7th Gen (Type 21CD, 21CE) series
for Lenovo ThinkPad X1 Yoga 8th Gen (Type 21HQ, 21HR) series
Notice needing attention:
Not all compatible laptop models are listed or included here.
You can open the back of your laptop to check the original battery model number.
Brand new battery
100% compatible
Meet OEM specifications
Rechargeable up to 1000+ times
capacity is true, stable current, low self-discharge
short circuit, overheat, and overload protections
Multiple protection
Strong battery life
Good "core" quality

After getting the battery, please install the battery correctly, make sure that the battery connector is firmly connected to the laptop motherboard, and start charging the laptop. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
Remember not to discharge the battery to 0%, otherwise the battery will be easily damaged.
After the battery is exhausted, please charge it in time. If it is not charged for a long time, the battery may be damaged.
If the battery is not used for a long time, it needs to be charged to more than 70% for storage. The storage time should not exceed 3 months.
If you often use it with a charger, please use the battery power regularly and use it more than once a week.
Please use original chargers. Inferior chargers will affect the normal charging of the battery.
Regularly clean the fan dust to increase the heat dissipation effect and reduce power consumption, which can effectively extend the battery life.
Please feel free to choose us Welcome to EPYOBW How to get the correct battery? Method 1: Use the shortcut "Window+R" to check your laptop model. Method 2: Open the back cover of the laptop and confirm the battery type, capacity, and laptop model. Brand: EPYOBW Specification EPYOBW High Quality Laptop Battery High Quality Battery Grade "A" cells Trustworthy Easily cope with various scenarios Battery use and maintenance: