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Black rectangular AC DC adapter with barrel tip connector

ABLEGRID

ABLEGRID AC/DC Adapter for Boston BA745 12V Charger

SKU CH-AHKP-4QRR0

Replacement power adapter for Boston BA745 speakers with 12 V DC output and 100-240 V AC input

  • Battery TypeUPS
  • Worldwide AC input from 100 to 240 volts
  • DC output with barrel tip for Boston BA745
  • 544 percent compatibility with original charger
  • Over-voltage and over-heat protection built in
  • CE FCC RoHS certified for safety

Replacement AC/DC Adapter for Boston BA745

This ABLEGRID adapter delivers 12 V DC output from a 100-240 V AC input, making it a direct replacement charger for the Boston Acoustics BA745 speaker system. It is built for users who need a new power supply because the original unit is lost or damaged. The barrel tip connector matches the device’s power port, and the wide input range allows worldwide use without a separate voltage converter.

Barrel Tip Connector and Safety Protections

The adapter uses a barrel tip connector sized for the BA745, so daily use simply means plugging the mains lead into any 50-60 Hz wall socket and the DC tip into the speaker. Built-in over-voltage and over-heat protection circuits guard both the adapter and the connected audio equipment during extended listening sessions. CE, FCC and RoHS certifications confirm compliance with common safety and environmental standards, and the supplier notes 544% compatibility with the original power requirements.

Non-OEM Upgrade When Original Charger Fails

This non-OEM unit replaces the factory charger when it stops working or goes missing, restoring power to the BA745 without needing the discontinued original part. The jump is worth it when the speaker system itself still sounds good but cannot operate because its dedicated power supply is unavailable. Buyers who need a different voltage, a different tip polarity, or a multi-device power brick should look elsewhere, as this adapter is fixed at 12 V DC with a single barrel output.

Highlights

  • Worldwide AC input from 100 to 240 volts
  • DC output with barrel tip for Boston BA745
  • 544 percent compatibility with original charger
  • Over-voltage and over-heat protection built in
  • CE FCC RoHS certified for safety

Specifications

BrandABLEGRID
Battery TypeUPS

Questions about this item

What input voltage and frequency range does the ABLEGRID AC/DC adapter accept?

It accepts AC 100-240V worldwide input at 50-60Hz, so it works on mains supplies in most countries without a separate voltage selector.

What connector size does the ABLEGRID adapter use for the Boston BA745?

The adapter has a barrel tip connector; you must verify that the tip size and DC output match the original Boston BA745 requirements before ordering.

How is the ABLEGRID adapter installed, and what step is often missed?

Plug the AC plug into a 100-240V mains outlet and connect the barrel tip to the speaker; the step many miss is confirming the DC output voltage and tip polarity match the Boston BA745 before first use.

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