L21C4P71 Laptop Battery 52.5Wh Compatible with Lenovo ThinkPad T14 Gen 3 / P14s Gen 3 / ThinkPad T14 Gen 4 / P14s Gen 4 Series L21M4P71 L21L4P71 L21D4P71 L21M4P72 L21L3P71 L21M3P71 L21C3P71

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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: L21C4P71
Capacity: 52.5Wh 3400Ah 4-cell
Voltage: 15.44V
Battery Type: Li-ion
Condition: Brand New
Color: Black
Replace Part Number:
L21C4P71 SB10W51967 5B10W51866 SB11M89829 5B11M90028 SB10W52003 5B10W51902 L21D4P71 SB10W51968 5B10W51867 SB11M89830 5B11M90029 SB10W52006 5B10W51905
L21L4P71 SB10W51964 5B10W51863 SB11M89826 5B11M90025 SB10W52000 5B10W51899
L21M4P71 SB10W51965 5B10W51864 SB11M89827 5B11M90026 SB10W52001 5B10W51900
Replace Part Number:

L21M4P72 SB10W51966 5B10W51865 SB11M89828 5B11M90027 SB10W52002 5B10W51901
L21M3P71 SB10W51962 5B10W51861 SB11M89824 5B11M90023
L21L3P71 SB10W51961 5B10W51860 SB11M89823 5B11M90022
L21C3P71 SB10W51963 5B10W51862 SB11M89825 5B11M90024
Compatible Laptop Models: (use"Ctrl+F" to find your model quickly)

for Lenovo ThinkPad T14 Gen 3 (Type 21AH, 21AJ, 21CF, 21CG) series
for Lenovo ThinkPad T14 Gen 4 (Type 21HD, 21HE, 21K3, 21K4) series
for Lenovo ThinkPad P14s Gen 3 (Type 21AK, 21AL, 21J5, 21J6) series
for Lenovo ThinkPad P14s Gen 4 (Type 21HF, 21HG, 21K5, 21K6) 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.

Help others learn more about this product by uploading a video!EPYOBW L21C4P71 Laptop Battery 52.5Wh Compatible with Lenovo ThinkPad T14 Gen 3 / P14s Gen 3 / ThinkPad T14 Gen 4 / P14s Gen 4 Series L21M4P71 L21L4P71 L21D4P71 L21M4P72 L21L3P71 L21M3P71 L21C3P71
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