Dell 40Wh 3-Cell Lithium-Ion Laptop Battery (0JK6Y6)

For Dell laptop users needing a dependable power source, this 40Wh 3-cell lithium-ion battery delivers consistent performance. Whether you're working in the office, attending classes, or traveling, it provides the energy to keep your laptop running through meetings, lectures, and long flights.

Key specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Number of battery cells: 3
• Energy capacity: 40 Wh
• Electric current capacity: 3378 mAh
• Nominal voltage: 11.4 V
• Product type: Laptop battery
• Brand compatibility: Dell
• Manufacturer part number: 0JK6Y6
• EAN: 5715063292082
• Rechargeable: Yes
• Installation type: Internal
• Colour: Black
• Condition: New

Why choose it

This battery is built to meet original specifications, ensuring a proper fit and reliable charging. Its lithium-ion chemistry provides a good balance of capacity and weight, making it suitable for daily use. With overcharge protection, it helps safeguard your laptop's power system.

Ideal use cases

• Replacing a worn-out or failed battery in compatible Dell laptops
• Keeping a spare battery for extended work sessions away from power outlets
• Restoring mobility to a laptop that must stay unplugged for hours

Good to know

The battery is installed internally, so replacement requires opening the laptop case. Check your laptop model for compatibility before purchase. It is a new, rechargeable battery with a nominal voltage of 11.4 V.