Bosch GAA12V-21 tool.
Bosch GAA12V-21 Heated Jacket Adapter with USB port, on/off button and Metal belt clip.
Bosch GAA12V-21 tool, with "USB ON" button.
Blue electronic device with USB and DC ports.
Bosch GAA12V-21 battery holder
Bosch 12V Max Li-Ion portable charger charging a smartphone.
Blue and black Bosch battery in an inner pocket of a black jacket. The battery is labeled with "10.8V/12V MAX" and "BOSCH".
Bosch 12V Li-ion battery attached to a person's belt loop, with 10.8V/12V MAX and "BOSCH" visible.
Man wearing safety glasses and a hard hat, talking on a phone connected by a cable to a blue and black Bosch 12V tool battery.
Bosch 12V MAX LIMITED WARRANTY, 3 YEAR Tool. Effective 2/1/25, all 12V Max products are covered by this updated warranty. For updated terms, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99.

GAA12V-21N Professional

12V Max Attachments

12V Max Portable Power Adapter

  • Portable power design – delivers 2.1 Amps to power up USB devices or provide power to Bosch heated jackets, handy as a backup
  • Compatible with Bosch 12V Max batteries – delivers fast charging to cell phones and other devices
  • Heated jacket adapter – allows users to power Bosch heated jackets
  • Metal belt clip – provides additional user convenience
  • On/off button – activates charging session
  • Compact design – takes up little space in jacket storage pocket or on belt
  • Bosch 12V Max cordless power tools are covered by a three year limited warranty - for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
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GAA12V-21N Professional

Technical data

The most important data

Weight
0.16 lb
Works With
Bosch Heated Jackets, GHJ12V-1, PSJ120, USB Cables Connected to Common Personal Devices that are able to accept a 2.1 Amp charge, Mobile phones, mobile devices, tablets and other devices that are able to accept a 2.1 Amp charge
Includes
(1) GAA12V-21 12V Max Portable Power Adapter

GAA12V-21N Professional: Further information

Product Highlights

The Bosch GAA12V-21N 12V Max Portable Power Adapter helps users employ a Bosch 12V Max battery to deliver 2.1 Amps, to power up many common personal devices, such as mobile phones, mobile devices, and tablets. This adapter is the ideal carry-along item for anyone who is on the go all day and finds themselves running short of battery power for personal electronics. The output on this power adapter is 2.1 Amps, which makes it a powerful charger. It is a compact and light 12V Max device, but it is designed to withstand jobsite conditions and keep charging. The adapter has a port compatible with Bosch heated jackets, so users can power their jackets with 12V Max batteries. It includes a metal belt clip for additional user convenience. The power adapter has an on/off button to activate the power adapter for each charging session, and to begin powering the heated jacket.