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SmallRig VB99 Mini V-Mount Battery (99Wh)

BH #SM3580B • MFR #3580B
24 reviews
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SmallRig VB99 Mini V-Mount Battery (99Wh)
Key Features
  • 99Wh Lithium-Ion V-Mount Battery
  • Supports up to 14A Draw
  • 14.8V D-Tap Output
  • USB-A Output, 2 DC Barrel Outputs
The VB99 Mini V-Mount Battery from SmallRig is an ultracompact, lightweight 99Wh battery that can support up to a 14A draw at a nominal 14.8V. This travel-friendly battery is suitable for powering handheld cameras, drones, and gimbals. The VB99 provides multiple accessory ports, including one 14.8V D-Tap output, one 8 VDC barrel output, one 12 VDC barrel output, one USB-C output, and one USB-A output for powering various accessories, cameras, or mobile devices.
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SmallRig VB99 Overview

The VB99 Mini V-Mount Battery from SmallRig is an ultracompact, lightweight 99Wh battery that can support up to a 14A draw at a nominal 14.8V. This travel-friendly battery is suitable for powering handheld cameras, drones, and gimbals. The VB99 provides multiple accessory ports, including one 14.8V D-Tap output, one 8 VDC barrel output, one 12 VDC barrel output, one USB-C output, and one USB-A output for powering various accessories, cameras, or mobile devices.

The battery can be charged using a standard V-mount charger, an optional D-Tap charger, or via the USB-C input/output with a 100W PD fast charger for a full charge in less than two hours. A built-in OLED display shows the remaining battery capacity and status.

Note:
Always check with your airline, as battery regulations may change.

SmallRig VB99 Specs

Battery
Battery Type
1x V-Mount
Battery Capacity
6800 mAh / 99 Wh
Output Voltage
14.54 VDC
Battery Chemistry
Lithium-Ion
Power I/O
1x D-Tap/P-Tap Female Input/Output
 • Output: 168 W Maximum (Up to 16.8 VDC at 10 A)
1x USB-A Female Output
 • Output: 27 W Maximum (Up to 12 VDC at 2 A, or up to 3 A at 9 VDC)
1x USB-C Male Input/Output
 • Output: 100 W Maximum (Up to 20 VDC at 5 A, or up to 3 A at 15 VDC)
1x Barrel/Coax Male Output
 • Output: 24 W Maximum (Up to 8 VDC at 3 A)
1x Barrel/Coax Female Output
 • Output: 36 W Maximum (Up to 12 VDC at 3 A)
Accessory Mounting Thread
1x 1/4"-20 Female Thread (Back)
1x 3/8"-16 Female Thread
Indicator
Display
Dimensions
4.2 x 2.8 x 2.1" / 10.7 x 7.1 x 5.3 cm
Weight
20.6 oz / 584.6 g
Packaging Info
Package Weight
1.77 lb
Box Dimensions (LxWxH)
6.7 x 5.1 x 2.8"

SmallRig VB99 Reviews

Reliable Vmount Battery

By Brandon
Rated 4 out of 5
Date: 2026-07-20

Great battery. Always reliable! Love being able to see the charging information on the built in screen. Great size and shape. My only complaint is the flappy port covers. They can get in the way a little but not a big deal.

D O A

By Mark
Rated 1 out of 5
Date: 2026-06-23

Product was delivered on time and correctly. The battery had 28% charge when it arrived. I used a 140w Anker USB-C charger and a regular v-mount battery charger (not at the same time). Multiple USB-C cables were also used. Plugged in the USB-C and the code OT-UT began flashing. I held down the power button for a few seconds, the firmware number, cycles and watts screen came on, but a few seconds later the OT-UT screen began flashing again. I then tapped the power button a few times, the same thing happened. I discharged the battery and attempted to charge again. The same thing happened. I left on the charger for a few hours. Nothing changed. I needed if for this week and now I have an expensive brick.

See any errors on this page?

Is the 'H' on the screen refer to hours?

Is the 'H' on the screen refer to hours?
Asked by: Aaron
Regarding the SmallRig VB99 Mini V-Mount Battery (99Wh) and rating of Wh specifically, Watt-hours (Wh) measure a battery’s or device’s total energy capacity, showing how much power it can deliver over time. Unlike watts, which indicate instantaneous power rate, watt-hours combine power and duration for practical comparisons. Watt-hours calculate as power in watts multiplied by time in hours: Wh = W × h. For batteries, it’s often voltage (V) times amp-hours (Ah): Wh = V × Ah.
Answered by: Jonathan S
Date published: 2026-02-23

the DC connectors are different sizes. What kind ...

the DC connectors are different sizes. What kind of barrels accept?
Asked by: Steven
Do you have a cable with the 5.5 x 2.5mm barrel on both ends? Or do you have one that has usb on one end?
Answered by: Caesar Kofi
Date published: 2025-08-21

Will this battery power a Sony FX6 with the Tilta

Will this battery power a Sony FX6 with the Tilta v-mount plate?
Asked by: Elia
Yes, the SmallRig VB99 Mini V-Mount Battery (99Wh) can be used to power the Sony FX6 Full-Frame Cinema Camera with a proper power cable.
Answered by: John W
Date published: 2026-06-29

Can the D-tap output power an Amaran Ray 120c to 1

Can the D-tap output power an Amaran Ray 120c to 100%?
Asked by: Anonymous
Yes, the SmallRig VB99 Mini V-Mount Battery (99Wh) can power the Amaran Ray 120C to 100%.
Answered by: Nick Y
Date published: 2026-04-24

What's the power output for USB-C? 100W or 65W?

What's the power output for USB-C? 100W or 65W?
Asked by: Charles
The USB-C power input and output for the SmallRig VB99 Mini V-Mount Battery (99Wh), B&H #SM3580B, is capable of providing up to 100W.
Answered by: Miguel M
Date published: 2026-06-30

Do you have a cable with the 5.5 x 2.5mm barrel on

Do you have a cable with the 5.5 x 2.5mm barrel on both ends? Or do you have one that has usb on one end?
Asked by: Caesar Kofi
Regarding the SmallRig VB99 Mini V-Mount Battery (99Wh), we have the DigitalFoto Solution Limited DJI RS3 USB-C to Locking DC 2.5 Power Cable for Wireless Transmitter Monitor (2.6'), BH # DIAR25480, which is a USB-C to 2.5 barrel power cable.
Answered by: Elliot A
Date published: 2026-04-24

Could I power the my camera via usb-c while also ...

Could I power the my camera via usb-c while also powering my monitor through the barrel out? Or will this cause issues if using at the same time
Asked by: Daniel
As long as your camera and monitor support each power output you would be able to do so using the SmallRig VB99 Mini V-Mount Battery.
Answered by: John W
Date published: 2024-11-08

Can I connect this battery to a Fellworld 4k ...

Can I connect this battery to a Fellworld 4k ultra-bright 10.1" LUT11S 2000nit 3G-SDI DAYLIGHT VIEWABLE DIRECTOR MONITOR?
Asked by: WILLIAM
The SmallRig VB99 mini Battery Kit with Folding V-Lock Plate (6800mAh, V-Mount) does not directly connect to the FeelWorld 10.1" 4K Ultra-Bright Touchscreen Monitor with Loop-Through HDMI & 3G-SDI. You would need an adapter like the Dynacore V-Mount to L-Series/NP-F Battery Adapter (7.4V) (https://bhpho.to/3TUa2UU).
Answered by: John W
Date published: 2025-07-23
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