Product details
The HP 18.5V 3.5A Big Pin Laptop Charger is a reliable and efficient power adapter designed specifically for HP laptops that use the classic 7.4mm x 5.0mm “Big Pin” connector. This charger is perfect as a replacement for a lost or damaged adapter or as a backup charger for office, home, or travel use.
Engineered to meet HP’s specifications, this adapter delivers stable voltage, consistent current, and safe charging, ensuring your laptop operates efficiently without overloading the battery or internal components.
Stable & Efficient Power Output
This charger outputs 18.5 volts and 3.5 amps, providing a total of 65 watts of power, which is ideal for older HP laptops using the Big Pin connector. Using a properly rated charger is essential to maintain battery health and ensure safe, stable operation.
Key benefits of using the correct adapter:
Fast and consistent charging
Stable performance during work or study sessions
No battery drain while plugged in
Reduced risk of overheating or damage
HP Big Pin Connector – 7.4mm x 5.0mm
The Big Pin connector ensures a secure and firm connection to the laptop. The 7.4mm x 5.0mm barrel provides a reliable interface for power delivery, preventing:
Loose connections
Power fluctuations
Charging interruptions
Wear and tear on the laptop port
⚠️ Always confirm your laptop uses a 7.4mm x 5.0mm big pin connector before purchasing.
Compatible HP Laptop Models
This HP 18.5V 3.5A Big Pin charger is compatible with many older HP laptops that require 18.5V power input with a big pin connector, including:
💻 HP Pavilion & Home Laptops
HP Pavilion dv4, dv5, dv6, dv7 series
HP Pavilion G-series
HP Notebook 15 / 17 (older models)
🧑💻 HP Business & Office Laptops
HP Compaq Presario CQ series
HP ProBook (legacy big pin models)
HP EliteBook (older models using big pin)
🎓 HP Student / Everyday Laptops
HP 2000 series (big pin variants)
HP 650 / 655 series
⚠️ Compatibility depends on your exact laptop model. Always check the original charger label or laptop specifications.
Built-In Safety Features
This HP charger comes with multiple built-in safety protections:
Over-voltage protection – prevents excessive voltage
Over-current protection – prevents excessive current flow
Short-circuit protection – shuts down in unsafe conditions
Over-temperature protection – prevents overheating
These safety measures help protect your laptop’s battery, motherboard, and other internal components for long-lasting performance.
Durable & Travel-Friendly Design
The charger is made with high-quality internal components and a durable casing to withstand daily use. The cable is reinforced to resist bending and fraying, making it suitable for frequent travel or office use.
Its compact design makes it easy to carry as a backup or spare charger wherever you go.
Technical Specifications
Input Voltage: 100–240V ~ 50/60Hz
Output Voltage: 18.5V
Output Current: 3.5A
Power Rating: 65W
Connector Size: 7.4mm x 5.0mm (Big Pin)
Color: Black
Condition: Brand New
Ideal For
Replacing a damaged or lost HP charger
Older HP laptops with big pin connector
Home, office, or travel backup charger
Students and professionals using legacy HP laptops
Why Choose This HP 18.5V 3.5A Big Pin Charger?
✔ Exact voltage and wattage for compatible HP laptops
✔ Secure 7.4mm x 5.0mm big pin connector
✔ Stable and efficient power delivery
✔ Built-in safety protections
✔ Reliable and affordable replacement solution
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