Adapter for Acer Aspire S7-391-9839 65W 19V 3.42A

Specifications:

• Type:  Power AC Adapter
• Input Voltage: AC 100-240V~50/60HZ
• Output Voltage: DC 19V 2.37A/3.42A 
• Max. Output Power:  45W/65W 
• Connector Size:  3.0*1.1mm (as pictures)
• Manufacture Guaranty: 12 Months
• Operate Environment: Please keep the environment cool and dry!

Adapter for Acer Aspire S7-391-9839 65W 19V 3.42A

The Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger is a dependable power adapter designed specifically for the Acer Aspire S7‑391‑9839 ultrabook. Delivering a 19V 3.42A output with 65W wattage, this charger provides stable power for daily computing tasks including work, study, media, and browsing. The Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Price in Kenya is KSh 1,500, making it an affordable and reliable choice for users who need a quality replacement charger.

Who Should Buy This Charger?
This charger is ideal for students, professionals, remote workers, and frequent travellers who require a dependable and efficient power adapter that keeps their Acer Aspire S7‑391‑9839 running throughout the day without overheating or unstable current.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Price Table

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Key Specifications

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Design and Build Quality

The Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger combines a compact, lightweight form factor with durable construction. Its ABS plastic housing protects internal components from wear and impact, while the reinforced cable reduces the risk of fraying or breakage from frequent bending. The secure barrel connector ensures a stable connection to the laptop’s power port, preventing accidental disconnections during use. The ergonomic design makes it easy to carry in laptop bags, backpacks, or travel kits.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Charging Speed and Efficiency

• Delivers stable 19V 3.42A output for reliable charging.

• Efficient 65W power supports everyday laptop use without performance dips.

• Maintains steady current even during moderate multitasking.

• Optimized internal circuitry reduces energy loss.

• Minimal heat generation enhances long‑term efficiency.

This adapter’s charging performance is comparable to original OEM chargers, providing trustworthy power delivery for daily computing.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Safety Protection Technologies

• Overvoltage protection prevents damage from voltage spikes.

• Overcurrent protection guards against excessive current.

• Short‑circuit protection safeguards against electrical faults.

• Thermal protection helps reduce overheating risk.

• Meets global safety standards for AC power adapters.

These safety technologies help protect both the adapter and your laptop from electrical issues.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Connectivity and Compatibility

• Designed for Acer Aspire S7‑391‑9839 laptops.

• Barrel connector provides a secure, stable fit.

• Plug‑and‑play setup — no software or configuration needed.

• Supports global power inputs (100–240V AC).

• Ideal replacement for the original factory charger.

This ensures seamless connection and reliable performance with your laptop.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Cable Strength and Durability

• 1.5‑meter cable offers flexible placement.

• Reinforced cable ends reduce stress points.

• High‑quality wiring ensures consistent power delivery.

• Protective insulation enhances durability and safety.

• Designed for daily use at home, work, or on the go.

The cable’s build quality ensures fewer replacements and sustained performance.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Energy Management and Heat Control

• Efficient energy conversion reduces wasted power.

• Low heat output keeps the charger cool under regular use.

• Intelligent thermal design ensures steady performance.

• Stable power delivery supports various workloads.

• Helps maintain laptop battery health with consistent charging.

Good energy management enhances reliability and longevity.

Ideal Use Cases

1. Home Use: Keeps your laptop charged for browsing, study, and entertainment.

2. Office Productivity: Provides reliable power for full work days.

3. Travel: Compact size makes it ideal for travel and commuting.

4. Backup Charger: Strong choice as an emergency or spare adapter.

5. Remote Work: Reliable performance for work‑from‑home setups.

6. Multitasking: Handles everyday workloads with stable output.

7. Professional Tasks: Supports business work and presentations.

These scenarios highlight common environments supported by this adapter.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Smart Features

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Intelligent Power Delivery

• Delivers smooth and consistent voltage and current for safe charging.

• Adapts power output based on usage demand.

• Helps support long‑term battery health.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Overvoltage and Short Circuit Protection

• Built‑in safeguards protect against electrical spikes and faults.

• Automatically shuts down during short‑circuit conditions.

• Ensures safer energy transfer under unstable electrical environments.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Universal Compatibility Features

• Designed for Acer Aspire S7‑391‑9839 laptops.

• Plug‑and‑play simplicity requires no setup.

• Works with international AC power sources (100–240V).

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Fast‑Charging Support

• 65W power output provides more efficient charging than low‑watt units.

• Stable current helps reduce charge times.

• Ideal for users with heavy daily usage.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Energy Efficiency and Performance Modes

• High conversion efficiency minimizes energy loss.

• Stable performance supports prolonged usage.

• Low heat output enhances durability.

These smart features enhance safety, performance, and charging efficiency.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Pros and Cons

This table highlights strengths and limitations to guide decision‑making.

Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger Frequently Asked Questions (FAQs)

1. What is the price of the Adapter for Acer Aspire S7‑391‑9839 65W Laptop Charger in Kenya?
   The price is KSh 1,500.

2. Is this charger compatible with other Acer laptops?
   It is designed specifically for the Acer Aspire S7‑391‑9839 and may not work with other models.

3. What are the output voltage and current?
   It supplies 19V at 3.42A with 65W output.

4. Does this charger support fast charging?
   Yes — its 65W output provides efficient charging compared to lower‑watt units.

5. Does it include safety protection features?
   Yes — it includes overvoltage, overcurrent, and short‑circuit protection.

6. Can this charger be used internationally?
   Yes — it supports 100–240V AC input.

7. Is the cable durable?
   Yes — the reinforced cable is designed for everyday use.

8. Will it damage my laptop battery?
   No — it supplies the correct voltage and current required for safe charging.

These FAQs address common concerns clearly and informatively.

Conclusion

The Adapter for Acer Aspire S7‑391‑9839 65W 19V 3.42A Laptop Charger is a dependable, efficient, and affordable replacement power adapter tailored to the needs of Acer Aspire S7‑391‑9839 users. With stable power delivery, a durable build, reinforced cable strength, and built‑in safety protections — all for KSh 1,500 in Kenya — this charger delivers excellent value for everyday use. Whether you need a backup charger, a travel solution, or a replacement for a damaged original, this adapter provides reliable performance and peace of mind.