Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter | 4.5×3.0mm Blue Tip | UL CE Certified for Inspiron 11, 13, 14, 15, Vostro, Latitude – HTJ

  • Model Name: Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter
  • Adapter Type: Professional Oval Edition (Ultra-Portable & Sleek)
  • Input Voltage: 100V-240V ~ 1.5A 50/60Hz (Global Grid Universal)
  • Output Voltages: 19.5V (Constant Precision Rail)
  • Output Current: 2.31A Max
  • Total Power: 45W Max
  • DC Connector Size: 4.5 x 3.0 mm (Small Blue Tip with Smart-ID Pin)
  • AC Plug Standards: US, EU, UK, AU, IN, TH, CN (Integrated Wall-Plug)
  • Safety Certifications: UL, CE, FCC, CB, RoHS, NOM, PSE, GS
  • Protection Functions: OVP (Overvoltage), OCP (Overcurrent), SCP (Short Circuit), OTP (Over Temperature), OPP (Overpower), Anti-Surge
  • Mounting Type: Wall Mount
  • Color: Black
  • Quality: A+ Grade 100%
  • OEM/ODM: Yes(Accepted)
  • Warranty: 18 Months After Sales, 24/7 Email Support.
  • Product Dimensions: 4.25 × 1.81 × 1.18 inches
  • Item Weight: 6.5 ounces

Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter | 4.5×3.0mm Blue Tip | UL CE Certified for Inspiron 11, 13, 14, 15, Vostro, Latitude


Detailed Product Specifications and Features:


Core Technical Parameters:

PropertySpecification
Model NameDell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter
Adapter TypeProfessional Oval Edition (Ultra-Portable & Sleek)
Input Voltage100V-240V ~ 1.5A 50/60Hz (Global Grid Universal)
Output Voltages19.5V (Constant Precision Rail)
Output Current2.31A Max
Total Power45W Max
DC Connector Size4.5 x 3.0 mm (Small Blue Tip with Smart-ID Pin)
Compatible Device &TypesDell (Inspiron, Vostro, Latitude, XPS, Chromebook)
AC Plug StandardsUS, EU, UK, AU, IN, TH, CN
Manufacturing NoteCustomizable: We manufacture for all global plug types. Specify your required standard when ordering.
Safety CertificationsUL, CE, FCC, CB, RoHS, NOM, PSE, GS
Protection FunctionsOVP (Overvoltage), OCP (Overcurrent), SCP (Short Circuit), OTP (Over Temperature), OPP (Overpower), Anti-Surge, Smart-Chip Handshake
ColorBlack
OEM/ODMYes(Accepted)
Warranty18 Months After Sales, 24/7 Email Support.
Product Dimensions4.25 × 1.81 × 1.18 inches
Item Weight6.5 ounces

Universal Product Description:

Sleek Portability Meets Enterprise Reliability: The HTJ 45W 19.5V 2.31A Oval Adapter is the definitive travel-ready power solution for Dell’s ultra-portable laptop fleet. This “Oval Edition” replicates the iconic rounded aesthetics favored by corporate users, offering a compact, snag-free profile that slides easily into laptop sleeves. Featuring the precision 4.5 x 3.0 mm “Blue Tip” with an integrated smart-identification pin, this unit is engineered specifically for the Inspiron 11-15 and Vostro series. As a specialized manufacturer, HTJ has optimized the internal thermal density to ensure this slim, oval housing remains cool even under full load, making it a premium SKU for B2B distributors and educational IT departments.


Advanced 6-Point Safety Protection Suite
Of Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter:

  • Smart-Pin Handshake: Guaranteed BIOS recognition ensures no “Unknown AC Adapter” warnings and maintains full CPU clock speeds.
  • Oval Thermal Engineering: Optimized internal component spacing for maximum heat dissipation within the slim, rounded casing.
  • OVP (Overvoltage Protection): Shields sensitive 4.5mm motherboard ports from external grid spikes.
  • OCP (Overcurrent Protection): Regulates the 2.31A rail to protect long-cycle life lithium batteries.
  • Pure Copper 18AWG Wiring: Minimizes voltage drop and heat across the 1.5M DC cable.
  • Anti-EMI Shielding: Advanced filtering to prevent interference with Wi-Fi signals and office wireless peripherals. 

Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter Compatibility List:

Brand / CategoryDetailed Compatible Models, Series & Official Part Numbers (Global Expansion)
Dell Inspiron 11 (Education)3000 Series: 3147, 3148, 3152, 3153, 3157, 3158, 3162, 3168, 3179, 3180, 3185, 3195 2-in-1.
Dell Inspiron 13 (Ultrabook)5000 Series: 5368, 5370, 5378, 5379.
7000 Series: 7347, 7348, 7350, 7352, 7353, 7359, 7368, 7370, 7373, 7375, 7378, 7380, 7386, 7391.
Dell Inspiron 14 / 1514 Series: 3451, 3452, 3458, 3459, 3467, 5451, 5452, 5455, 5458, 5459, 5481, 5482, 5491.
15 Series: 3501, 3505, 3510, 3511, 3520, 3521, 3551, 3552, 3555, 3558, 3559, 3565, 3567, 3593, 5551, 5552, 5555, 5558, 5559, 5565, 5567, 5568, 5578, 5593, 7558, 7568, 7569, 7579.
Dell Vostro3000 Series: 3400, 3401, 3405, 3500, 3501, 3510, 3515.
5000 Series: 5370, 5391, 5401, 5402, 5410, 5471, 5481, 5490, 5501, 5502, 5510, 5590.
Dell LatitudeBusiness Models: 3310, 3310 2-in-1, 3379, 3390, 3400, 3410, 3420, 3500, 3510, 3520. (Specifically for 4.5mm Barrel port variants).
Dell XPS / ChromebookXPS: 12 (9250), 13 (9343, 9350, 9360, 9370).
Chromebook: 11 (3120), 13 (7310).
Compatibility P/NOfficial Codes: HA45NM140, LA45NM140, DA45NM140, HK45NM140, AA45NM131, 0KXTTW, 0CDF57, 0JT9DM, 0D0K27, 0R91D, 0JHJX0, 0X9RG3, 332-1827.

Notes:

  1. Check your original DC output V/A, which can be found on the label on the bottom of the original laptop or charger.
  2. Make sure that the output voltage and current of the charger are exactly the same as your original voltage and current.
  3. Check the original USB-C interface to ensure compatibility.
  4. If the above model does not match your product model, as long as the power output and connector match our product, it can be used normally.
  5. Some laptops do not have a full-featured USB-C port, so they will not charge via USB-C because they may not support Power Delivery
  6. If the Type-C port on your device is very loose. This charger may not be compatible.

Why Choose HTJ Certified Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter?

  • Ergonomic Oval Design: Matches the premium original look, perfect for hybrid workers and students who need a portable, rounded charger.
  • Active Smart-Pin Handshake: Our internal IC mimics the original Dell data signal to ensure 100% full-speed charging.
  • High-Purity 18AWG Copper: Specialized wiring inside the DC cable ensures zero voltage drop across its 1.5M length.
  • Bulk Readiness: Fully certified (UL, CE, FCC) for large-scale IT asset maintenance and educational tenders. 

How to Use & Care for Your Dell 45W 19.5V 2.31A 4.5mm Oval Laptop Adapter?

  • Port Identity: This is the 4.5mm x 3.0mm Small Blue Tip. Please confirm it is not the older 7.4mm “Big” plug.
  • Efficiency Note: This 45W unit is designed for energy-efficient ultrabooks. For high-performance XPS 15 or Latitude 5000 series requiring 65W/90W, please use our higher-wattage HTJ models.
  • Storage Tips: The oval design is perfect for neat cable coiling. Use the integrated strap to avoid tight bends at the connector joints. 

FAQ (Frequently Asked Questions)

  1. Q: Is this the specific “Oval” version for the Inspiron 11?
    A:
    It features the classic rounded oval casing favored for its slim profile.
  2. Q: Does it work with the Dell Vostro 3501?
    A:
    It is a perfect electrical and physical match for the Vostro 3500/3501 series.
  3. Q: Can it replace the square 45W Dell charger?
    A:
    It is the premium oval-shaped equivalent of the standard 45W 4.5mm specification.
  4. Q: Is it compatible with Dell Chromebooks?
    A:
    Yes, it supports the Dell Chromebook 11 (3120) and 13 models using the 4.5mm port.
  5. Q: Do you offer bulk packaging for educational?
    A:
    Yes, we provide eco-friendly bulk packaging and customized labeling for high-volume B2B school orders.
  6. Q: What is the total reach of the cables?A: The total reach (AC + DC cable) is approximately 3 Meters, ideal for standard office and classroom setups.
  7. A: The total reach (AC + DC cable) is approximately 3 Meters, ideal for standard office and classroom setups. 

We guarantee:

  1. All our products are A+ grade.
  2. We are a factory, and we can guarantee the quality of our products.
  3. Our company has professional technical engineers who can help you solve any problems you encounter.
  4. All products are strictly tested by our department before shipment.
  5. Please contact us for free time, and we will try our best to satisfy you.

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