Asus D550CA‑RS31 90W 4.74A 19V Charger Overview
The Asus D550CA‑RS31 90W 4.74A 19V Charger is a powerful, reliable substitution for the original adapter. It delivers 19 V at up to 4.74 A through a 5.5×2.5 mm barrel connector, designed specifically for the D550CA‑RS31. The price in Kenya is KSh 2,500 – 3,500.
Who Should Buy This Charger?
• Owners of the Asus D550CA‑RS31 who need a high‑power replacement
• Power users who run demanding applications
• Students and professionals who need a reliable adapter for multitasking work
• Travelers wanting a global-input charger
Asus D550CA‑RS31 90W 4.74A 19V Charger Price in Kenya
| Product |
Model / Series |
Wattage |
Price in Kenya |
| Asus Laptop Charger |
D550CA‑RS31 |
90W |
KSh 2,500 – 3,500 |
Asus D550CA‑RS31 90W 4.74A 19V Charger Design and Build Quality
This charger is built with a sturdy ABS casing and a reliable 5.5×2.5 mm barrel connector. The power cord is reinforced for resilience, designed for long-term use whether at home, in the office, or on the go.
Asus D550CA‑RS31 90W 4.74A 19V Charger Charging Speed and Efficiency
• Provides consistent 19V / up to 4.74A for fast, stable charging
• High-efficiency AC-to-DC conversion to reduce heat and energy waste
• Maintains voltage under heavy use such as multitasking or media work
• Supports usage of the laptop while charging
Asus D550CA‑RS31 90W 4.74A 19V Charger Safety Protection Technologies
• Overvoltage protection for safeguarding both adapter and device
• Short‑circuit protection to avoid damage
• Over‑current regulation to limit excessive current
• Thermal control to manage temperature during use
Asus D550CA‑RS31 90W 4.74A 19V Charger Connectivity and Compatibility
• Specifically compatible with Asus D550CA‑RS31
• Uses a 5.5 × 2.5 mm barrel connector for secure power delivery
• Accepts 100–240V AC input for use worldwide
• Built for a variety of settings – school, work, and travel
Asus D550CA‑RS31 90W 4.74A 19V Charger Cable Strength and Durability
• Thick, heat-resistant wiring for long-term reliability
• Strain-relief near the connector reduces wear
• Compact design for easier portability
Asus D550CA‑RS31 90W 4.74A 19V Charger Energy Management and Heat Control
• Smart power regulation delivers stable output
• Maintains low operating temperature even under load
• Protects internal components by reducing power waste
Ideal Use Cases for Asus D550CA‑RS31 90W 4.74A 19V Charger
• Running productivity or creative software
• Long hours of study or work
• Using the laptop while plugged in
• Traveling with a high-performance adapter
• Replacing a worn or lost original charger
Asus D550CA‑RS31 90W 4.74A 19V Charger Smart Features
Intelligent Power Delivery
• Maintains steady voltage and current
• Protects the laptop battery
• Ensures smooth and reliable power flow
Overvoltage & Short‑Circuit Protection
• Protects both adapter and device from electrical faults
• Adds a layer of safety in unstable power conditions
Universal Voltage Compatibility
• Accepts 100–240V AC input
• Ideal for international travel
High‑Speed Power Output
• 90W output offers fast charging and supports usage during charge
• Suitable for power-demanding tasks
Energy Efficiency & Thermal Control
• Low idle power draw
• Keeps temperature under control
• Prolongs component lifespan with efficient design
Asus D550CA‑RS31 90W 4.74A 19V Charger Pros and Cons
| Pros |
Cons |
| High power output for demanding use |
Heavier and bigger than low-power adapters |
| Strong safety protections |
Only for specific Asus models |
| Reinforced, durable cable |
Not ideal for ultra-light travel bags |
| Global voltage support |
Might supply more power than needed for light use |
| Reliable and efficient power conversion |
Slight heat output under heavy load |
Asus D550CA‑RS31 90W 4.74A 19V Charger FAQs
-
What is the price in Kenya?
KSh 2,500 – 3,500
-
Is this charger compatible with other Asus laptops?
Specifically for Asus D550CA‑RS31 and similar wattage models
-
What power can it deliver?
Up to 90W at 4.74A
-
Which connector type does it use?
5.5 × 2.5 mm barrel connector
-
Does it have safety features?
Yes — includes overvoltage, overcurrent, short-circuit protections
-
Is it suitable for worldwide use?
Yes — 100–240V AC input supported
-
How long is the warranty?
12 months manufacturer guarantee
-
Can I use my laptop while it's charging?
Yes — supports usage while plugged in
Asus D550CA‑RS31 90W 4.74A 19V Charger Conclusion
The Asus D550CA‑RS31 90W 4.74A 19V Charger is a high-performance, dependable power adapter built for power users and demanding workloads. With strong protection, global input support, and robust output, it suits both professional and everyday tasks. Price in Kenya: KSh 2,500 – 3,500.
Related Product Suggestion
Asus D550CA 90W 4.74A 19V Charger
Cash Payments (Nairobi only)
We accept Cash Payments . This is applicable for Pay on Delivery orders within Nairobi Metropolitan area.
Mpesa Payment.
- Go to Safaricom SIM Tool Kit, select M-PESA menu, select “Lipa na M-PESA“
- Select “Pay Bill“
- Select “Enter Business no.“, Enter Rondamo technologies Lipa na M-PESA PayBill Number 964586 and press “OK”
- Account no. ( Indicate Order No. & Your Name)
- “Enter Amount : ( Total shown on Invoice)
- Enter your M-PESA PIN and press “OK”
This is applicable for all orders, both in Nairobi & upcountry besides large orders over Ksh 250,000/-
Bank Deposit /EFT
You can deposit payment for your order directly into our Stanbic bank account. We check our bank account for new payments every day but depending on your bank it can take 1–2 business days for your payment to appear. To ensure that we can reconcile your payment quickly please make sure you follow the instructions carefully and include a reference with your payment.
Pesalink
You can deposit payment for your order directly into our Stanbic bank account via Pesalink. all products are eligible for payment via Pesalink. To ensure that we can reconcile your payment quickly please make sure you follow the instructions carefully and include a reference with your payment.
Accurate delivery estimates are displayed on the product page and in the Checkout before you confirm your order.
Delivery estimates take into consideration both the delivery address and the types of products being ordered.
The remainder of this article discusses delivery times in more general terms.
Same Day Delivery / For Customers in Nairobi Metropolitan Area
We use Courier for these orders, which allows fast and reliable delivery to destinations across their comprehensive domestic network. Orders placed between 7 Am and 5 Pm will be delivered the same day otherwise they will be delivered the following day. Delivery times vary depending on a product's stock status and the intended delivery address. For very large orders, we may be forced to use Mainfreight as these orders lie outside of what Courier Rider services can handle. If your order is being shipped with Mainfreight, this will be indicated in your fulfilment email along with a tracking number.
Overnight Delivery
Most In stock products are delivered overnight anywhere in Kenya – provided the order is placed before the advertised cut-off time. Our Overnight Delivery cut-off is usually 4:30pm Monday to Friday, however, this is updated daily and the expected shipping date will be shown for you on the product page. Larger products take an additional 1–2 days to be delivered.
Evening Express Delivery
Same Day Delivery is available to Nairobi & its suburbs. Same Day Delivery orders are delivered between 4pm and 7pm in the evening on the same day your order is dispatched.
If you are ordering on a business day and before the cutoff time, the option will be called “Same Day Delivery”. If you are ordering after the cutoff time or on a weekend or public holiday, the option will be called “Evening Express Delivery”. And May incur extra Costs other than the standard shipping fee.
The warranty tendered hereunder, on the electronic product(s) sold under this invoice will be provided exclusively by their respective Authorized Agents/Distributors and are limited to one year from the date of this invoice, except otherwise mentioned as per the warranty conditions as carried along with the products(s) or mentioned on Rondamo Technologies Invoice
