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AA21131 - IBM 16V DC 4.5A AC Power Adapter with Barrel Connector for ThinkPad Laptop
- Voltage: 16V DC
- Amperage: 4.5A
- Manufacturer: IBM
- Model: AA21131
- Compatible Device: ThinkPad T20/T21/T22
- Designed for specific ThinkPad models
- Provides stable power delivery
- Ensures efficient battery charging
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Key specifications
See full specs ↓- Voltage
- 16V DC
- Amperage
- 4.5A
- Manufacturer
- IBM
- Model
- AA21131
- Compatibility
- ThinkPad T20/T21/T22
Product details
The IBM AA21131 is a 16V DC power adapter designed for IBM ThinkPad T20, T21, and T22 series laptops. It provides 4.5 amps of current, delivering the necessary power for charging and operating these specific ThinkPad models. This adapter ensures reliable performance for compatible laptops.
Technical Information
| Voltage | 16V DC |
| Amperage | 4.5A |
| Manufacturer | IBM |
Additional Specifications
| Model | AA21131 |
| Compatibility | ThinkPad T20/T21/T22 |
Description
The IBM AA21131 power adapter is specifically designed to provide 16 volts DC at 4.5 amps to the IBM ThinkPad T20, T21, and T22 series laptops. This precise power output is crucial for the safe and efficient operation of these models, ensuring that the battery is charged correctly and that the laptop receives a stable power supply during use. It serves as a vital accessory for maintaining the functionality of these ThinkPad devices. Manufactured to IBM's original equipment specifications, the AA21131 guarantees compatibility and reliable performance. It includes essential safety features to protect against common electrical issues, such as overcurrent, overvoltage, and short circuits, thereby safeguarding the laptop's internal components and extending its lifespan. The adapter's build quality ensures durability for regular use. This adapter is an ideal replacement for a lost or damaged original power supply for the ThinkPad T20, T21, or T22. Its specific voltage and amperage ratings, along with a connector designed for these models, ensure a secure fit and optimal power transfer. The 4.5-amp current rating indicates sufficient power delivery for the typical operational demands of these ThinkPad laptops.
Condition: Refurbished
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Typically 1–2 days handling, 3–7 days in transit.
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