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Power Adapter Charger for Asus K550CA-EH51T
KSh 3,109.00
Technical Specifications
| Metric | Verified Hardware Target |
| Exact Sub-Model Support | Asus K550CA-EH51T Series |
| Physical Connector Profile | 5.5mm × 2.5mm Large Circular Barrel Plug |
| Output Voltage Standard | 19 Volts (DC) |
| Amperage Handling Threshold | 3.42 Amperes (65W) or 4.74 Amperes (90W Upgrade) |
| Total Wattage Rating | 65 Watts baseline standard (90 Watts highly recommended for stable Core i5 + touch-digitizer overhead and faster charging) |
| Input Grid Compatibility | AC 100V – 240V, 50Hz – 60Hz Universal Range |
| Form Factor Configuration | Standard inline desktop power brick or solid wall-plug adapter layout |
Power Adapter Charger for Asus K550CA-EH51T
The Asus K550CA-EH51T is an upgraded touchscreen model within the K550 computing platform. It features a 15.6-inch glossy HD LED-backlit capacitive touch display paired with an Intel Core i5-3337U processor and integrated Intel HD Graphics 4000. Because this specific sub-model carries a faster Core i5 processing core alongside a sensitive touch digitizer layer, it places a higher, highly dynamic load on the system’s power delivery lines. Maintaining a clean, completely unfiltered direct current (DC) line with zero ripple noise is vital to keep the system running optimally.
Relying on an unverified, low-grade generic replacement charger or an under-powered power block introduces a massive risk of voltage instability. This electrical noise can lead to jumpy or stuttering touchscreen inputs, erratic trackpad tracking, unprompted battery discharge cycles, or serious degradation of the internal motherboard power regulation tracks.
Asus K550CA-EH51T Product Overview
This precise replacement power supply is engineered explicitly to match the hardware parameters and electrical load required by the Asus K550CA-EH51T architecture. While smaller or modern ultrabooks shifted over to miniature slim pins, the Asus K550CA-EH51T configuration relies strictly on the classic, heavy-duty 5.5mm outside diameter by 2.5mm inside diameter (5.5mm × 2.5mm) straight barrel connector. This broad connector profile provides deep, solid mechanical seating inside the notebook’s power input jack, minimizing the risk of loose contact connections or internal solder fracturing due to everyday cable pulling. Built with heavy-gauge copper internal windings, it converts power safely and efficiently.
Asus K550CA-EH51T Key Features
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Thick 5.5mm × 2.5mm Circular Tip: Precision engineered to lock securely inside the wide-profile K550CA-EH51T power port, standing up to the standard physical strain of daily desktop use.
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Continuous 19V DC Line Regulation: Supplies a highly reliable 19V line, giving the Core i5 processor and touch processing layers ample power overhead to manage performance spikes without system throttling.
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Advanced Safety Shielding: Features active layers of over-voltage protection (OVP), over-current protection (OCP), and short-circuit protection (SCP) to cushion your laptop from unpredictable public grid fluctuations.
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Universal Travel Input: Seamlessly handles alternative input voltages varying from 100V up to 240V, supporting global plug-and-play operation across diverse utility lines.
Asus K550CA-EH51T Technical Specifications
| Metric | Verified Hardware Target |
| Exact Sub-Model Support | Asus K550CA-EH51T Series |
| Physical Connector Profile | 5.5mm × 2.5mm Large Circular Barrel Plug |
| Output Voltage Standard | 19 Volts (DC) |
| Amperage Handling Threshold | 3.42 Amperes (65W) or 4.74 Amperes (90W Upgrade) |
| Total Wattage Rating | 65 Watts baseline standard (90 Watts highly recommended for stable Core i5 + touch-digitizer overhead and faster charging) |
| Input Grid Compatibility | AC 100V – 240V, 50Hz – 60Hz Universal Range |
| Form Factor Configuration | Standard inline desktop power brick or solid wall-plug adapter layout |
Asus K550CA-EH51T Price Breakdown
Investing in a well-shielded, premium-grade charging brick keeps electrical line noise from distorting motherboard data tracks and protects the long-term cell chemistry of your battery:
| Power Supply Configuration | Estimated Retail Price Range (KES) | Recommended Application |
| Standard 65W AC Adapter | KES 2,200 – KES 3,500 | The factory standard match for baseline daily operations. Perfectly optimized for typical day-to-day office apps, schoolwork, and web browsing. |
| Heavy-Duty 90W AC Upgrade | KES 3,500 – KES 4,500 | Highly recommended high-overhead upgrade configuration. The Core i5 laptop safely regulates its own intake, but the 90W brick runs exceptionally cool under long multitasking shifts or extended workloads. |
Asus K550CA-EH51T Pros & Cons
Pros:
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Stable High-Overhead Line: Easily accommodates the large 15.6-inch touchscreen and Core i5 component requirements without tripping internal safety breakers.
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Resilient Tip Design: The 5.5mm x 2.5mm thick metal barrel is highly resistant to accidental bending or crushing from standard cord tension.
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Excellent Part Availability: This classic barrel design is heavily ubiquitous, making cross-compatible replacement parts highly accessible in the market.
Cons:
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Not Compatible with Slim Pins: Cannot fit modern, smaller Asus configurations (which rely on the narrow 4.0mm × 1.35mm slim pin port), limiting adapter sharing across newer devices.
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Bulkier Cable Footprint: The heavy-insulated copper gauge wire and dense internal transformer block take up more travel space compared to modern ultra-thin ultrabook chargers.
Asus K550CA-EH51T Verdict
When replacing the charging adapter for an Asus K550CA-EH51T, choosing a 19V output profile paired with a standard 5.5mm × 2.5mm barrel plug is absolutely mandatory to achieve a working physical and electrical connection. While a baseline 65W capacity handles general workflows flawlessly, moving up to a 90W power capacity introduces a broader thermal safety margin, keeping the entire charging setup operating cooler through extended office or multi-tasking sessions.







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