L22C3P76 Laptop Battery Compatible with Lenovo ThinkPad X1 Carbon 12th Gen ThinkPad X1 2-in-1 Gen 9 L22B3P73 L22D3P77 L22M3P77 SB11H56285 L22C3P77 L22D3P78 L22M3P78 Series [11.7V 4875mAh 57Wh]

CEILPA-branded laptop batteries provide excellent battery life for your laptop.
Model: L22C3P76
Condition: Brand New
Battery Type: Lithium ion
Voltage: 11.7V
Capacity: 4875mAh/57Wh
Replacement Part Number:
L22C3P76 SB11H56285 5B11H56384
L22B3P73 SB11H56287 5B11H56386
L22D3P77 SB11H56286 5B11H56385
L22M3P77 SB11H56284 5B11H56383
L22C3P77 L22D3P78 L22M3P78
Compatible with Laptop Models:
Lenovo ThinkPad X1 Carbon 12th Gen (Type 21KC, 21KD) Series
Lenovo ThinkPad X1 2-in-1 Gen 9 (Type 21KE, 21KF) Series


1. Use Grade A materials to ensure the capacity, lifespan, and safety of laptop battery.
2. Ensure that there is no danger caused by overcharging, overdischarging, or high temperature conditions.
1. Monitor battery voltage and current to prevent overcharging or undercharging.
2. Limit the discharge current to avoid damage caused by excessive discharge of the battery.
3. When overvoltage, overcurrent, or overheating occurs, power failure or current limiting protection is triggered. In case of short circuit, the circuit is immediately cut off.
4. To prevent safety issues caused by high temperature, reduce the charging rate or stop charging if necessary.
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1.Turn off the laptop and disconnect the AC power.
2.Open the back cover of laptop, unscrew screws of the old battery one by one, then disconnect the connection between the old battery and the motherboard.
3.Remove the old battery, then install the new battery carefully to its position, reset and tighten the removed screws, and connect the cable of the new battery.
4.Connect the AC power and turn on the laptop.
5.Discharge the new battery to 5% (not 0%), then charge fully and cycle 3-4 times is the best way to wake up a new battery.
Q:Why my laptop can't recognize this battery or it doesn't seem to work when installing?
A:1.Please check if the interface is clean to make sure it is fully connected.
2.The residual power stored in the laptop components which was preventing the battery from working properly. Please disconnect the old battery, and hold down the power button for 20 seconds, then connect the new battery. This drains the residual or flea power and the battery will be functional properly once it's reassembled.
Q:New battery can be charged fully, but why it will be shut down without AC adapter?
A:1.Please check whether the laptop power management option settings are protected. If yes, please reset it again.
2.Please check Device Manager of laptop to check whether the option of battery is stopped using.
Welcome to CEILPA. Battery Specification: Battery Compatibility: Smart Chip for CEILPA-branded Parts Free and comfortable outdoor time, accompanied by CEILPA's parts. Correct steps to install a new battery: Common problems encountered when installing new batteries: