L21L4P71 Laptop Battery Replacement for Lenovo ThinkPad T14 Gen 3 / P14S Gen 3 Gen 4 Series SB10W51964 L21M4P72 SB10W51966 L21D4P71 L21C4P71 L21M4P71 15.44V 3400mAh/52.5Wh 4-Cell

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: L21L4P71
Voltage: 15.44V
Capatity: 52.5Wh 3400mAh
Battery Condition: Brand New
Compatible Part Number :
L21L4P71 SB10W51964 5B10W51863 SB11M89826 5B11M90025
L21M4P72 SB10W51966 5B10W51865 SB11M89828 5B11M90027
L21D4P71 SB10W51968 5B10W51867 SB11M89830 5B11M90029
L21C4P71 SB10W51967 5B10W51866 SB11M89829 5B11M90028
L21M4P71 SB10W51965 5B10W51864 SB11M89827 5B11M90026 5B10W51899 5B10W51900 5B10W51901 5B10W51902 5B10W51905
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.
EFOHANA L21L4P71 Laptop Battery Replacement for Lenovo ThinkPad T14 Gen 3 / P14S Gen 3 Gen 4 Series SB10W51964 L21M4P72 SB10W51966 L21D4P71 L21C4P71 L21M4P71 15.44V 3400mAh/52.5Wh 4-Cell
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