2-power hlavný akumulátorový blok 14,8V 4400mAh (2P-AS07B71)

When your notebook's runtime drops to minutes, this 2-POWER replacement battery restores all-day mobility. Built around a 4-cell lithium-ion pack, it delivers 14.8 V and 4400 mAh (65.12 Wh) for consistent performance in the office, on the road, or in the field. The black housing fits most laptops that accept this standard voltage and capacity, and integrated protection circuits guard against overcharge, over-discharge, short circuits, and over-current. Rechargeable and CE/RoHS compliant, it is a practical spare or upgrade for professionals who cannot afford downtime.

Key specifications

• Battery type: Lithium-Ion (Li-ion)
• Voltage: 14.8 V
• Capacity: 4400 mAh
• Energy: 65.12 Wh
• Number of cells: 4-cell
• Rechargeable: Yes
• Colour: Black
• Protection: Overcharge, over-discharge, short-circuit, over-current
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Certifications: CE, RoHS
• Cycle life: 300-500 cycles (typical)
• Warranty: 1 year

Why choose it

This battery uses quality Li-ion cells and precise protection electronics to deliver stable voltage and long service life. It is a cost-effective way to extend the useful life of your laptop without replacing the whole device. The black finish blends with most notebook designs, and the compact 4-cell construction keeps weight low while providing ample capacity for typical workdays.

Ideal use cases

• Replacing a worn-out original battery in a business laptop
• Keeping a spare charged battery for travel or long meetings
• Extending the life of an older notebook used for basic tasks
• Field service, education, or retail environments where AC power is not always available

Good to know

Always verify that your laptop requires a 14.8 V, 4400 mAh battery with the same connector before ordering. The connector is device-specific and not included in this listing. For best results, fully charge and discharge the battery two to three times during initial use to calibrate the fuel gauge. Store in a cool, dry place when not in use.