Laptop AC adapter Dell 90W 19.5V 3.34A model 0JKWR

Dell Laptop AC adapter 90W 19.5V 3.34A (model 0JKWR) is a power supply designed as a replacement or spare for compatible Dell notebook models. It delivers a constant 19.5V output with up to 3.34A current, providing stable power for charging laptop batteries and operating the system under typical workloads. The adapter is intended for everyday use at home, in the office, during travel and for service technicians who require a dependable external power source.

Advantages

The adapter provides a steady voltage output and rated power sufficient for many mainstream Dell laptops, supporting battery charging and system operation simultaneously. Its compact rectangular housing and standard DC plug ensure straightforward connection to compatible laptops. Built-in safety features protect against short circuits, over-voltage and excessive current, contributing to reliable daily performance. The unit is suitable as a direct replacement when the original adapter is unavailable or damaged.

Suitable for

• Replacing a missing or damaged original Dell power adapter
• Providing a spare adapter for travel or mobile work
• Powering a compatible Dell laptop while charging the battery
• Use by technicians for diagnostics and repairs

Key specifications

• Output voltage: 19.5 V
• Output current: 3.34 A
• Rated power: 90 W
• Connector type: cylindrical DC barrel plug compatible with Dell laptops
• Input: AC mains (auto-switching typical for laptop adapters)
• Protection features: over-voltage, over-current and short-circuit protection
• Form factor: external AC adapter (desktop brick)

How to use

Connect the adapter to an AC mains outlet using the supplied mains cable, if included, or a compatible mains lead. Plug the DC connector into the laptop’s power input jack firmly until it seats. Verify that the laptop indicates charging or external power status; if an indicator LED is present on the adapter or laptop, confirm it is lit. When not in use, disconnect the adapter from the laptop and mains to conserve energy and reduce wear. Use only compatible mains voltages and observe polarity and connector fit before prolonged use.

Recommendations

Store the adapter in a dry, ventilated location and avoid exposing it to extreme temperatures or moisture. If the adapter becomes unusually hot, emits odors or causes intermittent charging, stop use and have the unit inspected or replaced. For reliable operation, use the adapter with laptops specified for 19.5V and similar current requirements, and avoid forcing incompatible connectors.