2-power 2P-NB-65B19 - 18 V - 50 mm - 118 mm - 29 mm - 268 g - 128 mm

When your laptop can't hold a charge through a full work session, this 2-POWER 2P-NB-65B19 battery restores dependable power. It's built for professionals and students who need their notebook running through meetings, lectures, or travel without hunting for an outlet. The 18V lithium-ion pack delivers 44Wh with a 2200mAh capacity, giving you hours of unplugged productivity. With four internal cells and a compact 128 x 50 x 29 mm footprint, it fits the standard internal battery bay of many popular laptop models.

Key specifications

• Chemistry: Lithium-Ion (Li-ion)
• Nominal voltage: 18 V
• Energy capacity: 44 Wh
• Current capacity: 2200 mAh
• Number of cells: 4-cell
• Colour: Black
• Rechargeable: Yes
• Protection: Overcharge, over-discharge, short circuit
• Operating temperature: 0 – 45 °C
• Storage temperature: -20 – 60 °C
• Expected cycle life: 300–500 cycles
• Certifications: CE, RoHS
• Dimensions: 128 mm (W) x 50 mm (D) x 29 mm (H)
• Weight: 268 g

Why choose it

This replacement battery restores your laptop's original runtime and reliability. Its integrated protection circuits guard against common battery hazards, while the Li-ion chemistry provides stable voltage and a long service life. The black finish matches most notebooks, and the internal bay design ensures a clean, secure fit without external bulk.

Ideal use cases

• Replacing a worn-out original battery in a compatible laptop
• Keeping a spare battery for extended travel or fieldwork
• Extending the life of an older notebook instead of buying new
• Reducing downtime for mobile professionals and students

Good to know

The battery is designed for internal mounting and requires removal of the laptop's bottom cover for installation. It is compatible with a wide range of notebook models; please verify your laptop's original battery part number and voltage before ordering. For best longevity, store the battery at 40–60% charge in a cool, dry place when not in use for extended periods.