No Sew
No Sew L17C4P72 laptop battery 15.36V 80Wh 5235mAh
80 Wh lithium-ion replacement battery for Lenovo ThinkPad X1 Extreme Gen 1 and Gen 2 and P1 Gen 1 and Gen 2, replaces L17C4P72, L17M4P72, L18M4P71 and other part numbers
- Type5235 milliamp_hours
- CompatibilityFit for Lenovo ThinkPad X1 Extreme 1st Gen/2nd Gen/ P1 1st G
- Battery TypeLithium-Ion
- Battery Voltage15.36 volts
- Battery Capacity5235 milliamp_hours
- AC Adapter Voltage15.36 volts
- 80 Wh capacity powers demanding workloads longer
- 5235 mAh lithium-ion cell rated for 1000 recharge cycles
- 36 V output matches original ThinkPad specifications
- 280 g weight keeps the laptop portable
- Replaces multiple Lenovo part numbers including 01AY968 and 01AY969
Replacement Battery for ThinkPad X1 Extreme and P1
This lithium-ion replacement battery is built for Lenovo ThinkPad X1 Extreme Gen 1 and Gen 2 as well as ThinkPad P1 Gen 1 and Gen 2 mobile workstations. It replaces original part numbers including L17C4P72, L17M4P72, L18M4P71, 01AY968, 01AY969 and 01YU911. The pack ships new with an instruction manual. Buyers who need a battery for a different ThinkPad series or a non-Lenovo laptop cannot use this part.
Build Quality and Connector Fit
The battery uses Grade A cells and carries UL, CE, FCC and RoHS safety certifications. Weighing 280 grams, it fits inside the existing chassis without modification. Before installation you must open the bottom cover and verify that the connector position and cable length match your original battery exactly. A mismatched connector or cable will prevent proper seating even if the part number appears correct.
Capacity and Cycle Life Decide Suitability
Rated at 15.36 volts, 5235 milliampere-hours and 80 watt-hours, the pack delivers the same energy specification as the factory unit. The cells are rated for up to 1000 recharge cycles over their service life. If your workload demands a higher watt-hour rating or a different voltage, this battery will not meet that requirement.
Highlights
- 80 Wh capacity powers demanding workloads longer
- 5235 mAh lithium-ion cell rated for 1000 recharge cycles
- 36 V output matches original ThinkPad specifications
- 280 g weight keeps the laptop portable
- Replaces multiple Lenovo part numbers including 01AY968 and 01AY969
Specifications
| Model | L17C4P72 |
|---|---|
| Part Number | L17C4P72 |
| Type | 5235 milliamp_hours |
| Compatibility | Fit for Lenovo ThinkPad X1 Extreme 1st Gen/2nd Gen/ P1 1st Gen/P1 Gen 2 Series |
| Battery Type | Lithium-Ion |
| Battery Voltage | 15.36 volts |
| Battery Capacity | 5235 milliamp_hours |
| AC Adapter Voltage | 15.36 volts |
| Features | lithium_ion, Rechargeable, 15.36 volts, 5235 milliamp_hours, 80 watt_hours, Fit for Lenovo ThinkPad X1 Extreme 1st Gen/2nd Gen/ P1 1st Gen/P1 Gen 2 Series, Laptop |
| Function | Laptop, Fit for Lenovo ThinkPad X1 Extreme 1st Gen/2nd Gen/ P1 1st Gen/P1 Gen 2 Series |
| Weight | 280 grams |
Questions about this item
What voltage does the 15.36V 80Wh Li-ion battery deliver to the ThinkPad X1 Extreme Gen 1 and Gen 2?
The battery operates at 15.36 volts and supplies 80 watt-hours of energy, matching the original specification for X1 Extreme Gen 1 and Gen 2 models.
What physical details must match the original battery before installing the L17C4P72 in a ThinkPad P1 Gen 2?
Verify the model number printed on your old battery, the connector position, and the cable length against the replacement to ensure correct fitment.
Why might the new battery not be recognised after the first installation, and what is the correct first step?
The connector may not be fully seated; remove the bottom cover, reseat the connector firmly, then power on the laptop.
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