Charger for Acer  Aspire 5745 20V 4.5A 90W 

• Type:  Power AC Adapter
• Input Voltage: AC 100-240V~50/60HZ
• Output Voltage: DC 19V 3.42A/4.74A 
• Max. Output Power:   　65W/90W
• Connector Size:  5.5*1.7mm (as pictures)
• Manufacture Guaranty: 12 Months
• Operate Environment: Please keep the environment cool and dry!

Charger for Acer  Aspire 5745 20V 4.5A 90W

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger is a dependable replacement power adapter designed to deliver stable and efficient power to the Acer Aspire 5745 notebook. Engineered to deliver 20 volts at 4.5 amps with a total power capacity of 90 watts, this charger ensures consistent performance for everyday computing tasks. Whether you are working, studying, streaming, or traveling, this charger provides reliable power for your laptop.

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger Price in Kenya is KSh 2,500, making it an affordable and practical replacement for lost, damaged, or worn-out battery adapters.

Who Should Buy This Charger?
The Acer Aspire 5745 20V 4.5A 90W Laptop Charger is ideal for students, professionals, and everyday users of the Acer Aspire 5745 who need a compatible replacement that matches the laptop’s power specifications, supports stable charging, and maintains battery health.

Price Table – Acer Aspire 5745 20V 4.5A 90W Laptop Charger Price in Kenya

Key Specifications Table – Acer Aspire 5745 20V 4.5A 90W Laptop Charger

Design and Build Quality – Acer Aspire 5745 20V 4.5A 90W Laptop Charger

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger features a practical and resilient design suitable for regular use. The charger housing is constructed from robust ABS plastic that resists heat, scratches, and impacts. This ensures the charger remains structurally solid even with frequent handling.

The outer casing incorporates heat vents that help dissipate heat generated during prolonged charging sessions, which reduces the risk of overheating and enhances long-term reliability. The body of the charger is lightweight and compact, making it easy to carry in a laptop bag without adding significant bulk.

The round barrel connector is precision-engineered for a secure and snug fit with the laptop’s DC input port, minimizing loose connections and accidental disconnects. Reinforced strain relief at both ends of the cable further protects against wear and internal wire breakage — a common cause of charger failure.

The cable length of approximately 1.2–1.5 meters provides flexibility for different working environments, whether at desks, tables, or on couches. Its design supports daily usage and offers practical convenience for both stationary and mobile computing.

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Charging Speed and Efficiency

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger delivers reliable power and efficient charging performance:

• Provides the full 90W power output to match the laptop’s original specifications

• Ensures consistent voltage and current delivery without significant fluctuations

• Reduces energy loss through high-efficiency circuitry

• Supports simultaneous charging while using the laptop for regular tasks

• Provides stable power under moderate workloads such as browsing, document editing, and video playback

• Helps maintain battery health by delivering regulated power for long battery life

With efficient power delivery and minimal energy waste, this charger keeps your Acer Aspire 5745 powered through daily tasks while reducing heat generation.

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Safety Protection Technologies

Safety is a critical consideration in the design of the Acer Aspire 5745 20V 4.5A 90W Laptop Charger. It incorporates comprehensive protection systems that safeguard both the charger and the laptop:

• Overvoltage Protection: Prevents excessive voltage spikes that can damage internal components

• Overcurrent Protection: Limits current flow to safe levels, reducing risk to circuitry

• Short-Circuit Protection: Detects and interrupts dangerous electrical faults

• Thermal Protection: Helps control internal temperature to prevent overheating

• Insulation Protection: Prevents electric shock and improves user safety

These safety features ensure the charger operates within safe electrical parameters, even in unstable power environments.

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Connectivity and Compatibility

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger offers solid connectivity and compatibility features:

• Designed specifically for the Acer Aspire 5745 and models with the same power requirements

• Precision-fit round barrel connector compatible with the laptop’s DC input

• Secure connection that reduces the risk of accidental disconnects during use

• Works seamlessly with the laptop’s internal power management system

This charger may also be suitable for other Acer laptops that require 20V 4.5A 90W power input and use the same connector type.

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Cable Strength and Durability

Durability and cable strength are essential for long-lasting charger performance. The Acer Aspire 5745 20V 4.5A 90W Laptop Charger features:

• Thick, flexible cable that resists daily bending and twisting

• Reinforced connector ends to prevent internal wire stress

• Abrasion-resistant insulation that protects internal wiring

• Adequate cable length for flexible placement around desks and outlets

Cable durability ensures that common causes of failure, such as internal wire breakage or frayed insulation, are minimized, contributing to a longer service life.

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Energy Management and Heat Control

Effective energy management and heat control are essential for reliable performance and safety:

• High-efficiency circuitry reduces unnecessary heat generation

• Balanced power distribution keeps electrical flow stable

• Charger casing design helps dissipate heat away from internal components

• Maintains consistent power output even during extended use

These features help ensure that the charger stays cool and performs reliably during prolonged charging sessions.

Ideal Use Cases – Acer Aspire 5745 20V 4.5A 90W Laptop Charger

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger supports a variety of real-world use scenarios:

1. Home Computing: Reliable power for browsing, streaming, and personal work

2. Office Productivity: Stable performance for spreadsheets, presentations, and reports

3. Travel and Remote Work: Lightweight and portable for charging on the go

4. Backup Charger: A spare charger for emergencies or shared workspaces

5. Student Use: Dependable support for study, research, and assignments

6. Multitasking Environments: Handles simultaneous use and charging

7. Professional Tasks: Suitable for routine workloads and moderate multitasking

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Smart Features

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Intelligent Power Delivery

• Automatically stabilizes voltage for consistent performance

• Minimizes unnecessary power draw to protect battery health

• Helps optimize power flow based on laptop requirements

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Overvoltage and Short Circuit Protection

• Shields laptop components from electrical faults

• Reduces the risk of damage in unstable power conditions

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Universal Compatibility Features

• Works seamlessly with devices requiring 20V 4.5A power

• Ensures secure power delivery with compatible laptops

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Fast-Charging Support

• Efficient charging at rated 90W output

• Keeps operating temperatures within safe levels

Acer Aspire 5745 20V 4.5A 90W Laptop Charger Energy Efficiency and Performance Modes

• Balances energy use for stable performance

• Reduces energy wastage to improve overall efficiency

Pros and Cons Table – Acer Aspire 5745 20V 4.5A 90W Laptop Charger

Frequently Asked Questions – Acer Aspire 5745 20V 4.5A 90W Laptop Charger Price in Kenya

What is the Acer Aspire 5745 20V 4.5A 90W Laptop Charger price in Kenya?
The price is KSh 2,500.

Is this charger compatible with other Acer laptops?
Yes — it works with Acer laptops requiring 20V 4.5A 90W power input and a compatible connector.

Does this charger include safety protections?
Yes — it includes overvoltage, overcurrent, thermal, and short-circuit protections.

Can this charger be used while the laptop is running?
Yes — it supports simultaneous charging while operating under typical use.

Is this an original OEM charger?
It is a high-quality replacement charger and may not carry OEM branding.

Will this charger damage my laptop battery?
No — regulated power delivery helps protect battery health.

Does this charger support fast-charging standards?
It provides efficient 90W charging but does not support modern USB-C fast-charging protocols.

How long is the charger cable?
The cable is approximately 1.2–1.5 meters long.

Conclusion – Acer Aspire 5745 20V 4.5A 90W Laptop Charger Price in Kenya

The Acer Aspire 5745 20V 4.5A 90W Laptop Charger is a reliable, efficient, and cost-effective power adapter designed to meet the power needs of the Acer Aspire 5745 laptop. With stable performance, comprehensive safety protections, and durable build quality — all at a competitive price in Kenya of KSh 2,500 — this charger delivers excellent value for students, professionals, and everyday users alike. Its dependable power delivery, energy-efficient design, and robust construction make it a strong choice for anyone seeking a trustworthy replacement or spare charger for regular laptop use.