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IBM 42T4457 90 Watts 19V 4.74A Power Adapter
- 90 Watts maximum power output
- 19V DC output voltage
- 4.74A output current
- Compatible with various IBM/Lenovo laptops
- Includes AC power cord
- Input voltage range: 100-240V AC
- Over-voltage and over-current protection
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Product Overview
The IBM 42T4457 is a 90 Watt power adapter designed to provide robust power for compatible IBM or Lenovo laptops. It operates at 19V with a 4.74A output, ensuring sufficient power for demanding tasks and battery charging. This adapter is suitable for a range of ThinkPad models requiring these specifications.
Technical Information
| Brand | IBM |
| Part Number | 42T4457 |
| Wattage | 90W |
| Voltage | 19V |
Additional Specifications
| Amperage | 4.74A |
| Connector Type | Barrel Connector (specific size may vary) |
| Intended Use | IBM/Lenovo Laptops |
Product Description
The IBM 42T4457 power adapter is engineered to deliver a substantial 90 watts of power, making it suitable for higher-performance laptops that require more energy. It outputs a stable 19 volts at 4.74 amps, which is a common specification for many IBM and Lenovo ThinkPad models that demand significant power for intensive computing tasks and rapid battery replenishment. This adapter is designed for universal application, accepting AC input voltages from 100V to 240V. This global compatibility ensures that users can reliably power their laptops regardless of their location, whether domestically or internationally. The adapter incorporates essential safety features, such as over-voltage protection, over-current protection, and short-circuit prevention, to safeguard the laptop's sensitive internal components and the adapter itself from electrical anomalies. As a part often associated with IBM and Lenovo, the 42T4457 signifies a commitment to quality and compatibility for the intended laptop series. Its construction typically focuses on durability for everyday use and portability for travel. The adapter usually comes bundled with an AC power cord, providing a complete solution for powering and charging compatible IBM and Lenovo laptops.
