6-Cell 68+ 10.8V / 11.4V Li-ion Battery for ThinkPad T440 T450 T550 T560 X240 X270

Replace a weak or no-longer-holding-charge battery with this 6-cell 68+ replacement battery designed for a wide range of compatible ThinkPad laptop systems. This battery is commonly used across multiple T, X, L, W, P, and S series models that support the 68+ external battery family.

Built for dependable everyday use, this battery is a practical replacement for worn original packs and is ideal for restoring portable runtime for work, travel, and daily productivity.

Technical Specifications

• Brand: Unbranded
• Battery Model: 68+
• Battery Type: Li-ion
• Cell Count: 6-Cell
• Voltage: 10.8V / 11.4V
• Capacity Class: 48Wh
• Recharge Cycles: Up to 500
• Battery Style: External rear-mount laptop battery
• Application: Replacement battery for compatible ThinkPad notebook systems

Interchangeable / Replacement Part Numbers

0C52861, 0C52862, 45N1125, 45N1126, 45N1127, 45N1128, 45N1129, 45N1734, 45N1736, 45N1737, 45N1767, 121500150

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system's specific configuration. It's essential to verify compatibility with your system or enclosure manufacturer prior to installation.

✔️ ThinkPad T Series: T440, T440s, T450, T450s, T460, T460p, T550, T560
✔️ ThinkPad X Series: X240, X250, X260, X270
✔️ ThinkPad L Series: L450, L460, L470
✔️ ThinkPad W Series: W550s
✔️ ThinkPad P Series: P50s
✔️ ThinkPad S Series: S440, S540

☑️ Key Features

☑️ 6-cell 68+ battery designed for compatible ThinkPad laptop systems
☑️ Li-ion battery design for reliable portable power delivery
☑️ Broad compatibility across T, X, L, W, P, and S series models using the 68+ battery family
☑️ Replaces multiple part numbers including 45N1128, 45N1736, 0C52862, and 45N1767
☑️ External rear battery format for quick installation and removal on supported systems
☑️ Ideal replacement for old, weak, or no-longer-holding-charge original batteries

⚙️ Fit Notes

• Please match your original battery model and part number before ordering.
• Confirm your system supports the 68+ battery family.
• This battery is intended for supported ThinkPad systems listed above and is not compatible with T460s, T470, or T470s.
• Battery shape, latch style, and rear mounting profile should match your original pack.
• Some systems in the same general family may use a different battery depending on the exact configuration.
• If your current battery is swollen or difficult to remove, discontinue use and replace it promptly.