Batteries & Storage

SmallRig VB99 Mini V-Mount Battery Guide

The SmallRig VB99 mini v-mount battery is the compact end of SmallRig's v mount battery lineup, built for shooters who want v-mount power without the size and weight of a full-size brick. It's a fit for gimbal work, shoulder rigs, or any setup where every extra ounce on the rig slows you down.

Who this battery fits

The VB99 mini makes sense if you're running a single mirrorless or compact cinema camera, maybe with a small monitor attached, and you want v-mount style mounting and output without carrying a large battery on the rig. It's not built to be the sole power source for a light or a heavier multi-device setup. If your kit includes a light drawing power from the same battery, a full-size model in the SmallRig v mount battery lineup is the better fit.

Mini form factor trade-offs

Going smaller and lighter means less runtime and typically fewer output ports than a full-size v mount battery. That trade makes sense on a gimbal, where weight directly affects how long you can hold a shot steady, but it means planning for more frequent swaps or recharges on a long shoot day compared to a bigger battery. Check your actual shoot length against how a compact battery in this class typically holds up before committing to it as your only power source.

Grab the free filmmaking gear starter checklist to see where a compact battery fits into your full gimbal or run-and-gun kit.

Mounting and compatibility

Like other v-mount batteries, the VB99 mini mounts to a standard V-mount plate on a camera cage, rig, or light stand and powers connected devices through its output port. Confirm your rig already has a V-mount plate, or budget for one separately, since the battery itself doesn't include rig mounting hardware beyond the V-mount interface.

Check the SmallRig VB99 mini battery

Pairing it with the rest of your kit

A compact battery like this pairs naturally with fast, small storage, so you're not adding bulk back with a bigger card and reader setup. See our CFexpress card reader guide for offload gear that matches a lightweight kit, and the full v mount battery hub if you're deciding between the mini and a full-size battery for your main camera setup.

When to size up instead

If you're finding yourself swapping the VB99 mini more than once during a normal shoot day, that's the clearest sign to size up to a full-size battery in the SmallRig lineup rather than carrying two or three mini batteries as a workaround. A single larger battery is usually simpler to manage on set than juggling multiple small swaps, even though the mini's lighter weight is appealing on paper.

Common mistakes with a mini battery

The most common mistake is buying the mini format purely to save money, without weighing that its lower capacity means more frequent swaps or recharges than a full-size model. If weight on a gimbal or shoulder rig isn't actually a constraint for your shoots, a full-size battery usually gives a better runtime-to-cost trade.

A second mistake is expecting a mini-format battery to power a light in addition to a camera and monitor. Its lower max output is built around lighter loads, and pushing it to run a light too can shorten its usable runtime far more than the watt-hour rating alone would suggest.

A worked example

A gimbal operator shooting handheld run-and-gun coverage for a day might mount the VB99 mini directly to the gimbal's camera plate, powering just the camera body, while a separate crew member on a second, stationary camera runs a full-size battery for that setup along with a monitor. Splitting battery format by role, compact where weight matters most, full-size where it doesn't, is a common way small crews balance runtime against weight across a shoot.