BlackVue Power Magic Ultra Battery Pack (B-124)

$299.99 USD
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BlackVue Power Magic Ultra B-124

Brand new for 2018, the BlackVue B-124 Power Magic Ultra Battery Pack

The B-124 Power Magic Ultra Battery Pack has built-in Bluetooth technology when paired with the app that’s available on iOS App Store as well as the Google Play Store it’s super easy to see the readouts. The App itself gives out plenty of useful information. Overall Battery percentage, whether the unit is charging or discharging, how long it can power the camera for as well as how long it’ll take to fully charge. With these useful new features and extended battery times, it makes it easy to recommend the B-124 as the ultimate solution for powering your BlackVue Dash cam.

If the battery life of this B-124 alone isn't enough, you can extend it using the Power Magic Expansion Battery Expansion Pack (B-124E)

Power Duration

A Fully charged B-124 can run a DR900S-1CH dash camera for about 25 hours while a dual channel system like the DR900S-2CH will be about 15 hours with it’s integrated 76.8Wh.

A Fully charged B-124 can run a DR750S-1CH dash camera for about 28 hours while a dual channel system like the DR750S-2CH will be about 18 hours with it’s integrated 76.8Wh.


Stay tuned for our review! For more information, see below for our video reviews, sample footage, and guides.

Review: B-124

What is a Battery Pack?

Installation: Battery Pack

For more YouTube videos on the BlackVue B-124, click here.

What's Included

  • B-124 Battery Pack
  • Power Output (Cigarette Socket)
  • Power Input (Hardwire Cable & 12V Cigarette Plug)
  • 2x Velcro Strips
  • Add-A-Fuse Set (ATO/Mini/Micro 2)
  • User Manual

Input Cables

Hardwire Cable - Allows the Power Magic Ultra Battery Pack to charge at a higher rate of 9 Amps so it’s able to charge the battery in 40 minutes to full

12V Cigarette plug - Easier for install, however, charges the unit with a lower current of 5 Amps extended the charging time to 1hr and 20 minutes



76.8 Wh


40 min (9A Hardwire) | 1 hr 20 min (5A Cigarette Plug)


14.6V / 5Ah








157mm X 171mm x 39.5mm




-10°C - 60°C (14°F - 140°F)


South Korea


1-Year Manufacturer Warranty


What is Parking Mode?

Parking mode is offered on most of the dash cams available at BlackboxMyCar. While it is important to protect your vehicle while driving, it is just as important to have your vehicle protected while it is parked. When the dash cam is in parking mode, footage will only be saved when there is an impact and/or motion. Parking mode can be enabled with a hardwiring kit or a battery pack.

For more information on parking mode, click here.

What is a Hardwire Kit?

A hardwiring kit enables parking mode. It allows your dash cam to remain powered on even when the vehicle's ignition is turned off. Installation is a breeze as you will only need to find an accessory fuse, constant fuse, and a grounding point.

What is a Battery Pack?

Most customers purchase the battery pack to avoid using the vehicle’s battery to power their dash cam. The battery pack is charged by either being hardwired into an accessory fuse or by being plugged into one of the vehicle's 12-volt cigarette sockets. We recommend the hardwiring the battery pack as it charges the battery pack quicker.

For more information on Battery Packs, click here.

How much footage will my memory card store?

On average, a 2-channel dash cam writes 16GB/hour and a 1-channel dash cam writes about 8GB/hour.

Click here to see all the memory cards we carry.

Do I need a Rear Camera?

Accidents or events don't always happen at the front of the vehicle! Having a rear camera provides coverage for any events or accidents that may happen at the rear of the vehicle.

For more information on rear view cameras, click here.

Do I need a IR Rear Camera?

An IR camera is designed to record the interior of the vehicle in low light conditions. This option is very popular among rideshare drivers.

For more information on why rideshare drivers need dash cams, click here.

What is a CPL filter?

A CPL filter attaches to the dash cam lens to eliminate lens flares, light reflections, and windshield glares.

For more information on CPL filters, click here.

Where do I find the Latest Firmware?

Find the latest firmware and all downloadable content here.