Dell 65W 19.5V 3.34A Laptop Adapter for Dell Latitude 7490 | 7.4×5.0mm Big Barrel | UL CE Certified for Latitude E6410, E6420, E6430, E6540, Precision – HTJ
- Model Name: Dell 65W 20V 3.25A Max USB-C Laptop Adapter
- Adapter Type: Heavy-Duty Enterprise AC Adapter
- Input Voltage: 100V-240V ~ 1.5A 50/60Hz (Global Grid Universal)
- Output Voltages: 19.5V (Constant Precision Rail)
- Output Current: 3.34A Max
- Total Power: 65W Max (Backward compatible with 45W)
- DC Connector Size: 7.4 x 5.0 mm (Big Barrel with Center 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: 5.1 × 2.0 × 1.2 inches
- Item Weight: 8.64 ounces
Dell 65W 19.5V 3.34A Laptop Adapter for Dell Latitude 7490 | 7.4×5.0mm Big Barrel | UL CE Certified for Latitude E6410, E6420, E6430, E6540, Precision
Detailed Product Specifications and Features:
Core Technical Parameters:
| Property | Specification |
|---|---|
| Model Name | Dell 65W 19.5V 3.34A Laptop Adapter |
| Adapter Type | Heavy-Duty Enterprise AC Adapter |
| Input Voltage | 100V-240V ~ 1.5A 50/60Hz (Global Grid Universal) |
| Output Voltages | 19.5V (Constant Precision Rail) |
| Output Current | 3.34A Max |
| Total Power | 65W Max (Backward compatible with 45W) |
| DC Connector Size | 7.4 x 5.0 mm (Big Barrel with Center Pin) |
| Compatible Device &Types | Dell (Latitude, Precision, Vostro, Inspiron) |
| AC Plug Standards | US, EU, UK, AU, IN, TH, CN |
| Manufacturing Note | Customizable: We manufacture for all global plug types. Specify your required standard when ordering. |
| 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, Smart-Chip Handshake |
| Color | Black |
| OEM/ODM | Yes(Accepted) |
| Warranty | 18 Months After Sales, 24/7 Email Support. |
| Product Dimensions | 5.1 × 2.0 × 1.2 inches |
| Item Weight | 8.64 ounces |
Universal Product Description:
Legacy Reliability for Modern Productivity: The HTJ 65W 19.5V 3.34A Adapter is the gold standard for Dell’s classic high-performance fleet. Featuring the robust 7.4 x 5.0 mm “Big Barrel” connector with an integrated center pin, this unit is specifically designed to handle the power handshake protocols of the Latitude 7490 and the entire Latitude E-Series. As a specialized manufacturer, HTJ has reinforced the internal transformer to support not only laptops but also Dell E-Port Replicator docking stations, which require consistent, ripple-free voltage. This adapter is a vital SKU for B2B distributors servicing corporate IT infrastructures that rely on the durability of Dell’s classic 7.4mm architecture.
Advanced 6-Point Safety Protection Suite Of Dell 65W 19.5V 3.34A Laptop Adapter:
- Smart-Pin Tech: Ensures the Dell BIOS correctly identifies the 65W wattage, preventing “Incompatible Adapter” errors.
- OVP (Overvoltage Protection): Shields the motherboard from electrical surges in office or industrial settings.
- OCP (Overcurrent Protection): Regulates the 3.34A flow to maintain battery longevity and prevent overheating.
- SCP (Short Circuit Protection): Instantaneous cut-off to isolate faults and prevent hardware fires.
- Pure Copper Cores: High-purity wiring minimizes power loss and ensures efficient 19.5V delivery.
- Anti-Surge Protection: 4.5kV industrial resistance against lightning and external electrical interference.
Dell 65W 19.5V 3.34A Laptop Adapter Compatibility List:
| Brand / Category | Detailed Compatible Models, Series & Official Part Numbers (Global Expansion) |
|---|---|
| Dell Latitude (Modern) | 7000 Series: 7490, 7480, 7390, 7380, 7290, 7280 (7.4mm Barrel versions). 5000 Series: 5590, 5580, 5490, 5480, 5290, 5280. |
| Dell Latitude E-Series | Mainstream: E6410, E6420, E6430, E6430s, E6440, E6510, E6520, E6530, E6540. Portable: E6220, E6230, E6320, E6330, E4300, E4310, E5420, E5430, E5440, E5520, E5530, E5540. |
| Dell Latitude Legacy | D-Series: D600, D610, D620, D630, D800, D810, D820, D830. ATG/XFR: E6400 ATG, E6420 XFR (Rugged series). |
| Dell Precision | Mobile Workstations: M20, M60, M65, M70, M2300, M2400, M4300, M4400, M4500. (Models requiring 65W). |
| Dell Vostro / Inspiron | Vostro: 3300, 3350, 3400, 3450, 3500, 3550, 3700, 3750, V131. Inspiron: 14 (3421), 15 (3521, 5521), 17 (3721, 5721), 1545, 1525, 6000, 6400, 8600, 9300. |
| Docking Stations | Dell E-Port Replicator: PR02X, PR03X, K07A, K07A001. (Standard 65W supply). |
| Studio / XPS (Legacy) | Studio: 15, 1535, 1537, 1555, 17. XPS: M1210, M1330, M1530. |
| Compatibility P/N | Official Codes: PA-12, PA-1650-05D, HA65NS1-00, LA65NS2-01, 0NX061, 0YR633, 09RN2C, 0G4X7T, 0G656F, MK911, 0MK911, TN800. |
Notes:
- Check your original DC output V/A, which can be found on the label on the bottom of the original laptop or charger.
- Make sure that the output voltage and current of the charger are exactly the same as your original voltage and current.
- Check the original USB-C interface to ensure compatibility.
- If the above model does not have your product model, as long as the power output and connector are matched with our product, it can be used normally.
- 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
- If the Type-C port on your device is very loose. This charger may not be compatible.
Why Choose HTJ Certified Dell 65W 19.5V 3.34A Laptop Adapter?
- Zero-Error Handshake: Our internal control chip perfectly simulates the Dell original “Smart Pin” logic, eliminating all BIOS wattage warnings.
- Heavy-Duty Casing: Built with high-impact, fire-retardant PC/ABS to withstand the rigors of corporate travel and desk-mounting.
- 100% Full-Load Burn-In: Every unit is tested at 3.34A for 4 hours before shipping to ensure enterprise-grade stability.
- Bulk Readiness: Fully certified (UL, CE, FCC) for large-scale IT refurbishments and government contract tenders.
How to Use & Care for Your Dell 65W 19.5V 3.34A Laptop Adapter?
- Check Your Port: This is the 7.4mm “Big” round plug with a pin inside. It is NOT the smaller 4.5mm tip. Please confirm your laptop’s charging port size.
- Docking Station Tip: If using with an E-Port Replicator, ensure your peripherals don’t exceed the 65W total power limit.
- Storage: Use the integrated cable strap to avoid tight coils, which can fatigue the internal copper strands over time.
FAQ (Frequently Asked Questions)
- Q: Is this compatible with the Dell Latitude 7490?
A: Yes. Some 7490 models use USB-C, while others use the 7.4mm port. This is the perfect replacement for the 7.4mm version. - Q: Will it trigger the “Unknown AC Adapter” error in BIOS?
A: No. Our smart-pin identification technology ensures 100% compatibility without any error messages. - Q: Can I use this for my E6430 docking station?
A: Yes. This adapter provides the stable 19.5V needed for Dell E-Series docks (PR03X). - Q: Is it compatible with older Latitude D-Series?
A: Yes, it is backward compatible with the Latitude D620, D630, and D830 series that use the PA-12 specification. - Q: What is the length of the DC cable?
A: The DC cable is 1.5 Meters, and when combined with the AC cord, it provides a total reach of nearly 3 Meters. - Q: Do you support bulk customized labeling?
A: Yes, we offer customized laser-etching and labeling for large B2B orders to facilitate asset tracking.
We guarantee:
- All our products are A+ grade.
- We are a factory, and we can guarantee the quality of our products.
- Our company has professional technical engineers who can help you solve any problems you encounter.
- All products are strictly tested by our department before shipment.
- Please contact us for free time, and we will try our best to satisfy you.
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