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BlackVue B-124E Ultra Battery Add-On Expansion Pack

Product Description

Connecting an Expansion Battery Pack to your B-124 Ultra Battery will increase its capacity and Parking Mode runtime by over two times. This is made possible by BlackVue's B-124E Expansion Battery Pack.

The Expansion Pack (B-124E) can store up to 6600mAh of power, which is 10% more than the Ultra Battery. Multiple Expansion Battery units can be connected in series to provide even more capacity.

NOTE: A "starter" B-124 Battery Pack (sold separately) is required in order to use the B-124E Expansion Battery Pack.

Sku: B-124E
Vendor: BlackVue
$269.99 $299.99
Maximum quantity available reached.

Plug in a Power Magic Expansion Battery B-124E (6,600 mAh / 84.5 Wh) to easily double your usage time. When both the Ultra Battery and the Expansion Battery are fully charged, they can provide power for up to 56 hours (based on a single dashcam that consumes 3 Wh). The charging time is approximately 1 hour 40 minutes (cigarette lighter plug) / 60 minutes (Hardwired).

When you add 1 or more expansion batteries please adjust the total available battery capacity using the BlackVue Battery manager app.

Multiple expansion batteries can be connected together in sequence to extend usage time even further. Please note charging time will also increase accordingly.

Battery Capacity

  No. of battery packs Recommended battery capacity setting
1 Ultra Battery (B-124) 6,000 mAh
1 Ultra Battery (B-124) + 1 Expansion Battery (B-124E) 12,600 mAh
1 Ultra Battery (B-124) + 2 Expansion Batteries (B-124E) 19,200 mAh
1 Ultra Battery (B-124) + 3 Expansion Batteries (B-124E) 25,800 mAh



NOTE: A "starter" B-124 Battery Pack (sold separately) is required in order to use the B-124E Expansion Battery Pack.

New OEM equipment by BlackVue. Includes 1-year manufacturer's warranty.

Color / Size / Weight

Black / 157 mm (W) x 171 mm (L) x 39.5 mm (H) / 1.3 kg

Battery Cell Type

LiFePo4 (Lithium Iron Phosphate)

Charging Time

Cigarette lighter plug (standard 5A charging): Approx. 1 hour 40 mins
Hardwired (rapid 9A charging): Approx. 60 mins

Hours of Use

1 (Ultra) + 1 (Expansion): Up to 56 hours in total (based on a single dashcam that consumes 3 Wh)

Operating Temperature

Charging Temperature: 0 °C − 45 °C (32 °F − 113 °F)
Discharging Temperature: -10 °C − 60 °C (14 °F − 140 °F)
Storage Temperature: -10 °C − 60 °C (14 °F − 140 °F)


12.8 V / 6,600 mAh / 84.5 Wh

Output Voltage / Current

11 V – 14.5 V / 2A (max)

BlackVue B-124E Downloads

User Manual: BlackVue B-124E User Manual (1.4MB PDF)

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