Notebook power supply BLOW 5900804062042 — 19 V, 4.74 A, 90 W, connector 5.5×2.5 mm for Acer

The BLOW notebook power supply provides a 19 V, 4.74 A (90 W) output through a 5.5×2.5 mm barrel connector designed for use with compatible Acer laptops. This AC adapter is intended to replace original chargers that share the same voltage and connector dimensions. The unit delivers continuous power for charging the battery and operating the notebook under typical workloads, and is compact enough for travel, home and office environments.

Advantages

The adapter offers a stable 19 V output at up to 4.74 A for reliable laptop operation and charging. Its standard 5.5×2.5 mm barrel connector fits many Acer models that require this plug size. The design balances power delivery and portability, providing a 90 W power rating suitable for a wide range of mainstream notebooks. Basic internal protection reduces the risk of damage from common electrical faults such as overload and short circuit.

Suitable for

• Replacement power supply for Acer notebooks requiring 19 V and a 5.5×2.5 mm connector
• Portable power solution for travel and business trips
• Home and office use to power and charge compatible laptops
• Temporary replacement when the original adapter is lost or damaged

Key specifications

• Output voltage: 19 V DC
• Output current: 4.74 A
• Rated power: 90 W
• Connector type: barrel plug, 5.5 × 2.5 mm
• Input: AC mains (standard regional voltage and frequency)
• Protection features: overload and short-circuit protection (basic)
• Form factor: external AC adapter with attached cable

How to use

Connect the adapter to an appropriate AC mains outlet using the supplied power cord or an equivalent regional mains cable. Plug the barrel connector firmly into the laptop's DC input jack with the correct orientation. Ensure the laptop model supports a 19 V input and the 5.5×2.5 mm connector before use. When powering on, check that the laptop charges or runs from mains power and that there are no unusual noises or smells. Unplug the adapter from the mains when not in use for extended periods.

Usage recommendations

Use the adapter only with notebooks that accept 19 V and a 5.5×2.5 mm barrel connector. Avoid exposing the adapter to moisture, extreme temperatures, or physical damage. If the adapter becomes excessively hot, noisy, or emits an odor, disconnect it immediately and inspect both the adapter and the laptop for faults. For prolonged portability, store the adapter in a padded compartment to prevent cable strain and connector damage.