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Power Adapter Charger for Asus D550CA-RS31
KSh 3,109.00
Technical Specifications Table
| Feature | Specification |
| Target Hardware Compatibility | Asus D550CA-RS31 Laptop Configuration |
| DC Connector Type Profile | 5.5mm × 2.5mm Traditional Large Barrel Plug |
| Output Operating Voltage | 19 V (Direct Current) |
| Output Amperage Capacity | 3.42 A (Baseline) / 4.74 A (High-Performance Alternate) |
| Maximum Rated Power Output | 65 Watts / 90 Watts (90W units run cooler under high multitasking lines) |
| Input Voltage Range | AC 100V – 240V ~ 50/60 Hz (Universal Utility Rating) |
| Adapter Design Form | Inline Desktop Power Brick with 3-Pin Cloverleaf AC Cord |
| Color Finish | Matte Black |
Power Adapter Charger for Asus D550CA-RS31
The Power Adapter Charger for Asus D550CA-RS31 is a high-grade, durable power brick precisely calibrated for this 15.6-inch Core i3 configuration. Designed to supply clean, highly regulated Direct Current (DC), this adapter filters volatile line noise and safeguards your laptop’s delicate motherboard logic against unexpected voltage surges. Whether you need an immediate replacement for a lost factory brick or want a dedicated secondary charging unit for your office desk, this power supply keeps your hardware running seamlessly.
The Asus D550CA-RS31 relies on a robust, traditional large circular barrel design. It is fully compatible with both 65W and 90W power profiles, stepping down automatically to feed the laptop’s internal power management circuits without over-stressing the battery pack.
Asus D550CA-RS31 Product Overview
This replacement AC adapter matches the exact voltage parameters and physical jack tolerances required by the Asus D550CA-RS31 laptop series. It is equipped with the standard large circular barrel connector measuring 5.5mm × 2.5mm. Encased in a flame-retardant ABS protective shell with heavy strain relief points, the inline desktop brick handles long runtimes, transit vibration, and daily wear without performance drops.
Asus D550CA-RS31 Key Features
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Standard 5.5mm × 2.5mm Barrel Pin: Machined to seat deeply and securely inside the RS31 power port, preventing intermittent charging issues or accidental disconnects.
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Dual Output Architecture (65W/90W): Fully matches the baseline factory 3.42A (65W) brick while effortlessly supporting the heavy-duty 4.74A (90W) profile for higher working headroom.
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Global Grid Compatibility: Adapts automatically to wide AC input lines ranging from 100V to 240V at 50/60 Hz, ensuring safe usage on regional power grids.
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Solid-State Power Filtering: Advanced built-in protection lines isolate your laptop from output over-voltage, over-current, and accidental terminal shorts.
Technical Specifications Table
| Feature | Specification |
| Target Hardware Compatibility | Asus D550CA-RS31 Laptop Configuration |
| DC Connector Type Profile | 5.5mm × 2.5mm Traditional Large Barrel Plug |
| Output Operating Voltage | 19 V (Direct Current) |
| Output Amperage Capacity | 3.42 A (Baseline) / 4.74 A (High-Performance Alternate) |
| Maximum Rated Power Output | 65 Watts / 90 Watts (90W units run cooler under high multitasking lines) |
| Input Voltage Range | AC 100V – 240V ~ 50/60 Hz (Universal Utility Rating) |
| Adapter Design Form | Inline Desktop Power Brick with 3-Pin Cloverleaf AC Cord |
| Color Finish | Matte Black |
Asus D550CA-RS31 Price Variation Table
Sourcing a dedicated single-tip barrel charger minimizes the erratic trackpad tracking and internal power circuit wear commonly triggered by poor-quality multi-tip universal power blocks:
| Asus Laptop Power Supply Tier | Estimated Price Range (KES) | Primary Target Utility |
| Standard 65W 19V Compatible Replacement Adapter | KES 1,500 – KES 2,500 | Dependable daily choice; easily balances system runtimes with active battery top-ups |
| High-Power Upgraded 90W 19V Replacement Charger | KES 2,500 – KES 3,500 | High-headroom option; runs cooler under sustained CPU loads or max screen brightness |
Asus D550CA-RS31 Pros & Cons
Pros:
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Excellent Thermal Buffer: Opting for the 90W upgrade gives the internal transformer components a wider buffer, resulting in cooler operational skin temperatures under full load.
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Smooth Trackpad Interfacing: Advanced EMI line filtering prevents erratic cursor drift and static grounding interference through the analog headphone line.
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Replaceable Cloverleaf AC Line: Employs a detached 3-pin power lead that can be quickly swapped out if the wall-side cable experiences physical damage.
Cons:
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Bulkier Carrying Footprint: The large 5.5mm tip and inline brick layout take up more room in travel gear than modern micro-pin or Type-C phone adapters.
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Rigidly Platform Specific: Cannot be used to power modern USB-C devices, smaller 4.0mm micro-pin ultrabooks, or 12V Chromebook variations.
Asus D550CA-RS31 Best Use Areas
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Stationary Workspace Stations: Perfectly suited as a permanent power source on your home desk or office setup, letting your backup cords stay inside your commuter bag.
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Direct Desktop Replacement: Effortlessly substitutes broken, frayed, or lost factory chargers to fully restore native system boot speeds.
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Continuous Multi-App Runtimes: The heavy-duty wiring structure safely sustains the laptop through hours of remote working, media streaming, or school projects.
Asus D550CA-RS31 Verdict
The AC Power Adapter Charger for Asus D550CA-RS31 is a dependable, high-integrity power solution for your machine. Delivering a stable 19V output through a highly durable 5.5mm × 2.5mm large barrel connector, it guarantees an arc-free mechanical fit. While the 65W version perfectly meets normal office routine specs, investing in the 90W high-power upgrade offers cleaner power distribution, faster turnaround times, and the lowest operating temperatures
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