GOLDIX L18C4P71 L18L4P71 L18C4P72 L18L4P72 L18M4P72 L18S4P72 51Wh laptop battery
51 Wh lithium-ion replacement battery for Lenovo ThinkPad X1 Carbon 7th Gen and X1 Yoga 4th Gen, 15.36 V, black
- Battery typeLithium-Ion
- Battery voltage rating15.36 V
- Battery capacity51 Wh
- Product colorBlack
- Product typeBattery
- Compatible withFor ThinkPad X1 Carbon 7th GEN 2019 Series
- Replaces multiple Lenovo part numbers including 41CP5/41/110
- 51Wh lithium-ion capacity powers the ThinkPad X1 Carbon 7th Gen
- 36V voltage matches original battery specification
- Compatible with X1 Carbon and X1 Yoga 4th Gen models
- New condition battery supplied as single unit in package
Replacement battery for ThinkPad X1 Carbon 7th Gen
This 51Wh lithium-ion pack replaces part numbers 41CP5/41/110, L18C4P71, L18L4P71, L18C4P72, L18L4P72, L18M4P72 and L18S4P72. It fits 2019 X1 Carbon and X1 Yoga 4th Gen models. The unit ships new in black.
15.36V Li-ion cell with standard laptop connector
The battery uses the original form factor and connector layout, so it slots into the chassis without adapters or cable routing. A 12 month warranty covers defects. No tools beyond a screwdriver are required for installation.
51Wh capacity decides runtime
At 15.36V the pack stores 51Wh, matching the factory specification for the supported machines. Buyers who need higher capacity for longer unplugged sessions should look elsewhere.
How it compares
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
- Price $33.99
- Pricier than about 60% of the 27,790 comparable items (median $30.99).
Specifications
| Product | |
|---|---|
| Brand name | L18C4P71 L18L4P71 L18C4P72 L18L4P72 L18M4P72 L18S4P72 |
| Model name | L18C4P71 L18L4P71 L18C4P72 L18L4P72 L18M4P72 L18S4P72 |
| Part number | 41CP5/41/110 |
| Product color | Black |
| Product type | Battery |
| Power | |
| Battery type | Lithium-Ion |
| Battery voltage rating | 15.36 V |
| Battery capacity | 51 Wh |
| Compatibility | |
| Compatible with | For ThinkPad X1 Carbon 7th GEN 2019 Series |
Questions about this item
What voltage does the 15.36V battery use to connect to the ThinkPad X1 Carbon 7th Gen?
The battery connects through the laptop's internal 15.36V interface, matching the original 41CP5/41/110 part and delivering 51Wh capacity.
Will this battery fit inside the chassis of a 2019 X1 Carbon or X1 Yoga 4th Gen without modification?
Yes, the black lithium-ion pack is shaped for the 2019 X1 Carbon 7th Gen and X1 Yoga 4th Gen chassis and replaces part numbers L18C4P71, L18L4P71, L18C4P72, L18L4P72, L18M4P72 and L18S4P72.
Which screws must be removed first when swapping the 51Wh pack in an X1 Carbon 7th Gen?
Remove the bottom-case Torx screws, lift the cover, disconnect the old battery cable, then unscrew the battery retention screws before lifting the pack out.
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