2-power 2P-45N1182 - Akku - Batterie 2.200 mAh 14,4 V

If your laptop shuts down unexpectedly or the battery indicator drops from 50% to zero in minutes, the original cell pack has reached the end of its service life. The 2-Power 2P-45N1182 is a direct replacement battery for select Lenovo ThinkPad models, built to restore full mobility to your notebook. It uses four 18650 lithium-ion cells in a 2S2P configuration, delivering a nominal 14.4 V and 2200 mAh (31.68 Wh) — enough for several hours of typical office work, web browsing, or video streaming away from the mains.

Key specifications

• Battery technology: Lithium-Ion (Li-Ion), 4-cell internal pack
• Nominal voltage: 14.4 V
• Capacity: 2200 mAh / 31.68 Wh
• Rechargeable: Yes, with standard laptop charging circuit
• Colour: Black
• Safety features: Overcharge, over-discharge, overcurrent and short-circuit protection
• Operating temperature: 0 °C to 45 °C
• Storage temperature: -20 °C to 60 °C
• Expected cycle life: 300–500 charge/discharge cycles
• Certifications: CE, RoHS

Why choose it

This battery is manufactured to meet or exceed the specifications of the original Lenovo part, ensuring proper fit and reliable communication with the laptop's power management system. The integrated protection circuit prevents damage from common electrical faults, while the robust Li-Ion chemistry offers a good balance of energy density and longevity. Replacing a worn battery is one of the most cost-effective ways to extend the useful life of an otherwise healthy laptop.

Ideal use cases

• Business travellers who need dependable battery life between charges
• Students and remote workers who move between classrooms, libraries, and home offices
• IT departments refurbishing or maintaining fleets of Lenovo ThinkPad laptops
• Anyone experiencing rapid battery drain or unexpected shutdowns on a compatible model

Good to know

Installation is straightforward: power down the laptop, remove the old battery (if externally accessible), insert the new pack, and charge it fully before first use. For internal batteries, professional installation is recommended. Always verify compatibility with your exact laptop model before ordering. The battery should be stored in a cool, dry place when not in use for extended periods, ideally at 40–60% charge.