L21M4P72 L21L4P71 Laptop Battery 52.5Wh Replacement for Lenovo ThinkPad T14 Gen 3 Gen 4 / ThinkPad P14s Gen 3 Gen 4 Series

EFOHANA is committed to providing you with high quality laptop batteries, tablet batteries, adapters and other products. We will also provide you with high quality and efficient after-sales service to attract and retain more customers.
Model: L21M4P72
Voltage:15.48V
Capatity: 52.5Wh 3392mAh
Battery Condition: Brand New
Compatible Part Number :L21M4P72 SB10W51966 5B10W51865 SB11M89828 5B11M90027 SB10W52002 5B10W51901 L21L4P71 SB10W51964 5B10W51863 SB11M89826 5B11M90025 SB10W52000 5B10W51899 L21M4P71 SB10W51965 5B10W51864 SB11M89827 5B11M90026 SB10W52001 5B10W51900 L21C4P71 SB10W51967 5B10W51866 SB11M89829 5B11M90028 SB10W52003 5B10W51902 L21D4P71 SB10W51968 5B10W51867 SB11M89830 5B11M90029 SB10W52006 5B10W51905 L21M3P71 SB10W51962 5B10W51861 SB11M89824 5B11M90023 L21L3P71 SB10W51961 5B10W51860 SB11M89823 5B11M90022 L21C3P71 SB10W51963 5B10W51862 SB11M89825 5B11M90024
Compatible Models(Use "Ctrl"+"F" to find your laptop model)

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

We wanted to deliver a battery that doesn't only only last long, but also safe for use. Weve incorporated Grade A battery cells to ensure longer battery life, durability, and lower power consumption. All of our batteries offer 1000+ recharge cycles over life of battery.

Each battery contains built in multi-protection functions such as short circuit, overheat & overload for maximum safety.

Power Interface: Gold-plated connector points to ensure current transport excellently and serve stably.
Enclosure: The enclosure is made of ABS + PC high quality material, it has high temperature resistant function to protect your laptop overheat.
Battery Buckle: The battery buckle is closely connected to the laptop, and the metal interface is stably powered.

All of our batteries are brand new and are 100% compatible to meet OEM specifications for safety and efficiency. Same size as original battery, Don't worry about assembly and adaptation issues.

You need to turn off your laptop and disconnect the power.
Disconnect the connection between the old battery and the motherboard to avoid unnecessary damage caused by disassembling the battery. Then unscrew the old battery screws one by one and carefully save each screw.
Remove the old battery, carefully install the new battery on the battery case, screw in the screw, and connect the wiring of the new battery.
If you don't understand the above steps, you can search for the video about laptop battery installation on YouTube. Maybe it will help you.

New battery: For use a new battery, youd better try a few cycles of discharging to 5%. then charging up to 95%. So that it can be activated completely.
Overuse: Do not always run out of a battery to 0%, this would make it damaged or usage life shortened.
Charging sequence: when charging, first install the battery, then turn on the power, when fully charged, first cut off the power, then pull the power plug.
Long-term storage:Please store the unused battery fully charged.(Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery.

Turn off the laptop.
Unplug AC power.
Remove the battery.
Replace AC power.
Turn on laptop,allow OS to boot.
Once logged in to the machine,perform a normal shut donw.
Unplug AC power.
Replace battery.

About battery safety: Compatible with laptop, safety and stability.
Regarding the capacity of the battery: The capacity of the new battery cell consumes power slowly and has little loss.
About battery life: The average life of a brand new battery is 2-4 years.
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