2-power Dell Inspiron 17 7779 2-in-1/7778 2-in-1 Main Battery Pack - Batterie - 56 mAh (2P-451-BBYR)

This replacement battery pack is engineered specifically for the Dell Inspiron 17 7779 2-in-1 and 7778 2-in-1 laptops, delivering reliable power with a 56 Wh energy capacity. Unlike generic alternatives, it integrates advanced safety circuitry to protect against overcharge, over-discharge, overcurrent, and short circuits, ensuring stable performance and longevity for your convertible laptop.

Highlights

• 56 Wh energy capacity for extended runtime
• 11.4 V nominal voltage, 4912 mAh current capacity
• 3-cell lithium-ion construction
• Built-in protection against overcharge, over-discharge, overcurrent, and short circuit
• CE, FCC, and RoHS compliant
• Designed for internal installation

In daily use

Whether you're working on the go, streaming media, or using the 2-in-1 in tablet mode, this battery provides dependable power to keep you productive. Its lithium-ion chemistry offers a good balance between capacity and weight, while the expected cycle life of 300-500 charges ensures long-term value. The black casing matches the original battery, maintaining the sleek look of your device.

Full specifications

• Brand: 2-Power
• Model: 2P-451-BBYR
• Battery technology: Lithium-ion (Li-ion)
• Energy capacity: 56 Wh
• Nominal voltage: 11.4 V
• Current capacity: 4912 mAh
• Number of cells: 3
• Rechargeable: Yes
• Product colour: Black
• Compatibility: Dell Inspiron 17 7779 2-in-1, Dell Inspiron 17 7778 2-in-1
• Safety features: Overcharge protection, over-discharge protection, overcurrent protection, short circuit protection
• Certifications: CE, FCC, RoHS
• Condition: New
• Expected cycle life: 300-500 cycles

Final note

Restore your Dell Inspiron's mobility with this high-quality replacement battery, offering the performance and safety you expect from a genuine 2-Power product.