Product Overview
The L21D4P71 / L21L4P71 / L21M4P71 is a 100% brand new Li-ion replacement battery rated 15.44V / 52.5Wh (3405mAh) for the Lenovo ThinkPad P14s Gen 3 (2022) mobile workstation series. It replaces Lenovo part numbers L21D4P71, L21L4P71, L21M4P71, L21C4P71, L21M4P72, SB10W51964, SB10W51965 and SB10W51968. Ships 100% brand new in Black with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | L21L4P71 |
| Capacity | 3405mAh / 52.5Wh |
| Voltage | 15.44V |
| Battery Type | Li-ion |
| Cell | Grade-A High Quality |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- L21C4P71
- L21D4P71
- L21L4P71
- L21M4P71
- L21M4P72
- SB10W51964
- SB10W51965
- SB10W51968
Compatible Models
For Lenovo ThinkPad P14s Series
- For Lenovo ThinkPad P14s Gen 3
- For Lenovo ThinkPad P14s Gen 3 (2022) Series
For Lenovo ThinkPad T14 Series
- For Lenovo ThinkPad T14 Gen 3
- For Lenovo ThinkPad T14 Gen 3 (2022) Series
FAQ
Is this battery compatible with both Intel and AMD ThinkPad P14s Gen 3?
Yes. It fits both the Intel and AMD variants of the ThinkPad P14s Gen 3 that use the L21 series battery pack.
Which part numbers does this battery replace?
It replaces L21D4P71, L21L4P71, L21M4P71, L21C4P71, L21M4P72, SB10W51964, SB10W51965 and SB10W51968.
How should I charge this battery for the first time?
Charge it to 100% and discharge to 5-10% three times to calibrate the new cells for accurate runtime reporting.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
Paypal

Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- What Should I Know Before Buying a Laptop Battery Replacement?A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
- How Do I Find a Compatible Laptop Battery for My Device?A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
- Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- Why Is My Laptop Battery Not Charging?A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
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Are BatteryMall Laptop Batteries Reliable?BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.