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Black rectangular AC adapter with 4-pin DC connector and label showing 12V 12.5A ratings

E-buy

E-buy AC Adapter 12V 12.5A 4 PIN for FSP 150W 135W

SKU CH-7HDB-E25TB

Replacement 12 V 12.5 A 4-pin AC adapter compatible with FSP 150 W and 135 W units

  • Product typeAC Adapter
  • Replacement power for FSP 150W and 135W units
  • Delivers 12 V at 12.5 A through 4-pin connector
  • Matches original FSP part specifications exactly
  • New condition ensures reliable out-of-box operation
  • Compatible with FSP150-AHAN1, FSP150-AHA and FSP135-AHAN1 models

12V 12.5A 4-pin replacement adapter

This 12V 12.5A AC adapter replaces FSP units such as the FSP150-AHAN1 and FSP135-AHAN1. It uses a 4-pin connector and matches the original voltage and current ratings. The adapter is built for laptops that require this specific power profile. It is supplied new and ready to install.

Thermals noise and power draw

The adapter delivers up to 150W output at 12V and 12.5A while also supporting 135W loads at 11.25A. It runs at the rated voltages without additional cooling requirements in normal use. No fan or active cooling is present, so operation is silent. Power draw follows the connected laptop demand up to the rated maximum.

Upgrade path and fit

This unit replaces a worn or lost FSP 150W or 135W adapter with the same 4-pin plug and 12V output. The jump is worth it when the original charger fails or the cable is damaged. It is not for laptops that need a different voltage, a different pin count or a higher wattage rating. Builders needing a 3-pin or barrel connector should look elsewhere.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $70.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeAC Adapter

Questions about this item

How do I connect the 4 PIN plug to my FSP 150W adapter?

Align the keyed 4 PIN connector with the laptop's DC jack and push straight in until it clicks; forcing it at an angle bends the pins and causes intermittent charging.

When will the 12 V 12.5 A output need replacement?

The adapter is rated for continuous 150 W operation; expect to replace it when output voltage drops below 12 V under load or the cable insulation shows cracking.

What thermal limit appears first during sustained 150 W use?

The internal protection triggers at 55 °C case temperature, shutting down output until the unit cools to 35 °C.

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