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Power Adapter Charger for Asus R556LA-RH51
KSh 3,109.00
Technical Specifications
| Metric | Verified Hardware Target |
| Exact Model Support | Asus R556LA-RH51 |
| Physical Connector Profile | 5.5mm × 2.5mm Standard Circular Barrel Plug (No interior center signal pin) |
| Output Voltage Standard | 19 Volts (DC) |
| Amperage Handling Threshold | 3.42 Amperes (65W Native Target) |
| Total Wattage Rating | 65 Watts (Note: While some standard entry-level R556LA models run on 45W adapters, the Core i5 powered RH51 sub-variant natively targets the 65W threshold to comfortably manage its increased processing power overhead. Running a lower-wattage 45W charger is not recommended as it will cause the brick to overheat and slow down battery recharge times under full load). |
| Input Grid Compatibility | AC 100V – 240V, 50Hz – 60Hz Universal Range |
| Form Factor Configuration | Solid inline external adapter block matched with a detachable 3-pin AC wall cord |
Power Adapter Charger for Asus R556LA-RH51
The Asus R556LA-RH51 is an upgraded retail configuration built around a higher-performance Intel Core i5 processor paired with integrated Intel HD Graphics. Because this specific sub-model carries a faster processing unit than its Core i3 counterpart, its power draw scales up slightly higher during intensive computing spurts, batch file processes, and multitasking workflows. To guarantee that the Core i5 chip hits its maximum Turbo Boost clock speeds smoothly, the laptop requires a rock-solid, properly rated direct current (DC) line.
Sourcing a premium, certified replacement power brick prevents premature wear on the internal laptop motherboard. Cheap, uncertified generic chargers are notorious for skipping out on built-in filter capacitors and shielding, allowing electrical ripples to seep onto the mainboard. This electrical noise frequently triggers performance degradation, localized overheating around the DC-in jack, and erratic trackpad tracking or mouse jumping.
Asus R556LA-RH51 Product Overview
This verified replacement power adapter matches the physical port dimensions and exact current profiles demanded by your machine. The Asus R556LA-RH51 chassis utilizes a legacy 5.5mm outside diameter by 2.5mm inside diameter (5.5mm × 2.5mm) large circular barrel plug. This thicker barrel design sits deeply inside the power port, providing robust mechanical support that guards against accidental port snapping and ensures constant, spark-free electricity delivery.
Asus R556LA-RH51 Key Features
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Heavy-Duty 5.5mm × 2.5mm Barrel Pin: Built thick to handle daily plugging cycles and physical strain without loosening over time.
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Stable 19V Direct Current (DC) Input: Delivers steady voltage to prevent performance throttling or random system hangs under heavy computing loads.
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Comprehensive Safe-Charging Array: Integrated smart microchips dynamically protect your laptop against over-voltage (OVP), over-current (OCP), and short circuits (SCP).
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High-Purity Copper Wire Core: Reinforced internally to optimize conductivity, lowering internal power resistance and minimizing cord heat.
Asus R556LA-RH51 Technical Specifications
| Metric | Verified Hardware Target |
| Exact Model Support | Asus R556LA-RH51 |
| Physical Connector Profile | 5.5mm × 2.5mm Standard Circular Barrel Plug (No interior center signal pin) |
| Output Voltage Standard | 19 Volts (DC) |
| Amperage Handling Threshold | 3.42 Amperes (65W Native Target) |
| Total Wattage Rating | 65 Watts (Note: While some standard entry-level R556LA models run on 45W adapters, the Core i5 powered RH51 sub-variant natively targets the 65W threshold to comfortably manage its increased processing power overhead. Running a lower-wattage 45W charger is not recommended as it will cause the brick to overheat and slow down battery recharge times under full load). |
| Input Grid Compatibility | AC 100V – 240V, 50Hz – 60Hz Universal Range |
| Form Factor Configuration | Solid inline external adapter block matched with a detachable 3-pin AC wall cord |
Asus R556LA-RH51 Price Breakdown
Investing in a well-insulated, professionally assembled power block protects your machine from grid fluctuations:
| Power Supply Configuration | Estimated Retail Price Range (KES) | Recommended Application |
| Original Standard 65W AC Adapter (5.5mm Tip) | KES 2,500 – KES 3,500 | The official hardware standard. Safely sustains regular home office use, programming, business multitasking, and daily battery recharge routines. |
Asus R556LA-RH51 Pros & Cons
Pros:
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Excellent Structural Longevity: The 5.5mm tip resists structural twisting and accidental bends much more effectively than modern, ultra-slim micro-pins.
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Widespread Local Availability: Because this 19V 5.5mm × 2.5mm blueprint is shared across multiple generations of older Asus, Toshiba, and Lenovo systems, finding local replacements is incredibly straightforward.
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Optimal Thermal Overhead: The 65W transformer easily satisfies the Core i5 power draw without running uncomfortably hot to the touch during fast-charging cycles.
Cons:
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Bulky Footprint: The combined weight of the heavy-duty transformer block and thick 3-pin AC cable is noticeably bulkier to pack away than modern USB-C power bricks.
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Zero Compatibility with Slim Devices: This connector plug is too large to physically slide into modern, slim Asus lines like the ZenBook or VivoBook series requiring 4.0mm or 3.0mm tips.
Asus R556LA-RH51 Verdict
To guarantee steady power flow and preserve the runtime performance of your laptop, pairing the device with a high-grade 19V replacement adapter utilizing a 5.5mm × 2.5mm round barrel plug is standard protocol. Verifying your device’s exact power label ensures clean current delivery, preventing erratic trackpad glitching, sluggish battery tracking, or system performance bottlenecks during daily workloads.
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