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2.1mm DC Barrel Jack to 1st Generation MagSafe Adapter

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2.1mm DC Barrel Jack to 1st Generation MagSafe Adapter

A passive adapter with a 1st-generation MagSafe plug on one end and a 5.5 mm / 2.1 mm DC barrel jack (centre-positive) on the other. It lets you connect a 15–20 VDC barrel-jack power supply to devices that use the original MagSafe connector — useful for bench testing, custom power setups, or replacing a lost charger with a compatible DC supply.

Key Features

  • 1st-Gen MagSafe Plug – Fits original MacBook, MacBook Pro, and MacBook Air MagSafe 1 ports
  • 5.5 / 2.1 mm Barrel Jack – Centre-positive polarity, accepts standard DC supplies
  • Passive Adapter – Straight-through connection with no active circuitry
Warning: This adapter contains no voltage regulator or protection circuit. An incorrect power supply, wrong polarity, or wrong voltage can permanently damage your laptop. Use a multimeter to verify the correct voltage on the MagSafe pins before connecting to any device. Recommended for experienced users only.

Ideal For

  • Powering 1st-gen MagSafe devices from a bench DC supply
  • Custom charging setups where the original charger is unavailable
  • Electronics prototyping and testing

Package Contents

  • 1× 2.1 mm DC Barrel Jack to 1st-Gen MagSafe Adapter
$4.39

Original: $14.63

-70%
2.1mm DC Barrel Jack to 1st Generation MagSafe Adapter—

$14.63

$4.39

Product Information

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Description

A passive adapter with a 1st-generation MagSafe plug on one end and a 5.5 mm / 2.1 mm DC barrel jack (centre-positive) on the other. It lets you connect a 15–20 VDC barrel-jack power supply to devices that use the original MagSafe connector — useful for bench testing, custom power setups, or replacing a lost charger with a compatible DC supply.

Key Features

  • 1st-Gen MagSafe Plug – Fits original MacBook, MacBook Pro, and MacBook Air MagSafe 1 ports
  • 5.5 / 2.1 mm Barrel Jack – Centre-positive polarity, accepts standard DC supplies
  • Passive Adapter – Straight-through connection with no active circuitry
Warning: This adapter contains no voltage regulator or protection circuit. An incorrect power supply, wrong polarity, or wrong voltage can permanently damage your laptop. Use a multimeter to verify the correct voltage on the MagSafe pins before connecting to any device. Recommended for experienced users only.

Ideal For

  • Powering 1st-gen MagSafe devices from a bench DC supply
  • Custom charging setups where the original charger is unavailable
  • Electronics prototyping and testing

Package Contents

  • 1× 2.1 mm DC Barrel Jack to 1st-Gen MagSafe Adapter