---
product_id: 522970723
title: "SmallRig 3581B"
brand: "smallrig"
price: "HK$3947"
currency: HKD
in_stock: true
category: "Small Rig"
url: https://www.desertcart.hk/products/522970723-smallrig-3581b
store_origin: HK
region: Hong Kong
---

# 14A max draw for heavy gear 155Wh high-capacity power Multi-port outputs: D-Tap, USB-C, USB-A SmallRig 3581B

**Brand:** smallrig
**Price:** HK$3947
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your passion, wherever the story takes you.

## Quick Answers

- **What is this?** SmallRig 3581B by smallrig
- **How much does it cost?** HK$3947 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/522970723-smallrig-3581b)

## Best For

- smallrig enthusiasts

## Why This Product

- Trusted smallrig brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Yet Mighty:** Travel-friendly size packs serious power without bulk—perfect for the mobile professional.
- • **Versatile Charging Hub:** D-Tap, USB-C PD 65W, USB-A, and dual DC outputs cover all your devices seamlessly.
- • **Rugged & Reliable Build:** Durable casing and secure V-mount lock ensure your battery stays put in any environment.
- • **Fast PD Charging On-The-Go:** USB-C Power Delivery lets you recharge quickly, minimizing downtime between shoots.
- • **Power Through Your Longest Shoots:** 155Wh capacity keeps your gear running for 5+ hours without a hitch.

## Overview

The SmallRig 3581B VB155 Mini V-Mount Battery delivers a robust 155Wh capacity with a 14A max draw, supporting multiple output ports including D-Tap, USB-C PD 65W, USB-A, and dual DC barrels. Its compact, durable design is tailored for professional videographers needing reliable, extended power for cameras, lights, and laptops during long shoots. Despite its slightly heavier weight, it offers fast charging and versatile connectivity, making it an indispensable tool for on-the-go content creators.

## Description

SmallRig VB155 Mini V-Mount Battery (155Wh)

## Features

- 155Wh Lithium-Ion V-Mount Battery
- Supports up to 14A Draw
- 1 x 14.8V D-Tap Output
- USB Type-A Output, 2 x DC Barrel Outputs
- USB Type-C Input/Output
- D-Tap & USB Type-C Fast PD Charging
- Ultra-Compact, Travel-Friendly Size

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B6ZCNF1P |
| Amperage | 10.5 Amps |
| Antenna Location | Camera, Drone |
| Battery Capacity | 10500 |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 770 Grams |
| Best Sellers Rank | #76,360 in Electronics ( See Top 100 in Electronics ) #65 in Camcorder Batteries |
| Brand | SmallRig |
| Customer Reviews | 4.5 4.5 out of 5 stars (63) |
| Item Dimensions | 7.3 x 7.1 x 10.7 centimeters |
| Item Weight | 770 Grams |
| Manufacturer | SmallRig |
| Model Name | SmallRig 3581B |
| Model Number | VB155 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 14.8 Volts |
| Warranty Description | Manufacturer Warranty |

## Product Details

- **Battery capacity:** 10500
- **Battery cell composition:** Lithium Ion
- **Brand:** SmallRig
- **Number of batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended uses for product:** Camera, Drone

## Images

![SmallRig 3581B - Image 1](https://m.media-amazon.com/images/I/51LaVylNNZL.jpg)
![SmallRig 3581B - Image 2](https://m.media-amazon.com/images/I/71rLJ56y7OL.jpg)
![SmallRig 3581B - Image 3](https://m.media-amazon.com/images/I/71YN7j9tAkL.jpg)
![SmallRig 3581B - Image 4](https://m.media-amazon.com/images/I/81h4xdivwrL.jpg)
![SmallRig 3581B - Image 5](https://m.media-amazon.com/images/I/61RpYhsmltL.jpg)

## Questions & Answers

**Q: Will this work with a canon xf605 Camera for 24V, with a V-Mount Anton-Bauer P-tap?**
A: Dear Friend,Thanks for inquiry.Sorry, this battery is not compatible with them.Sincerely,SmallRig Customer Service

**Q: Well i read you can charge this batter via USB-c is this true?**
A: Dear Friend,
Thanks for your inquiry.
Yes, it supports USB-C bi-directional PD fast-charging up to 65W, making your charging faster.
Sincerely,
SmallRig Customer Service

**Q: Is this v-mount battery compatible with Aputure LS300x lights?**
A: Dear Friend,
Thanks for your inquiry.
Yes, but the power rating of this battery is 155W, so that it is compatible with Apture LS300x, but cannot be set to the maximum.
Sincerely,
SmallRig Customer Service

**Q: can you charge this battery without having a v-mount charging station. like can i plug it into the wall and have the battery charge by itself?**
A: Dear Friend,
Thanks for your inquiry.
Yes, you can charge this battery with a D-Tap charger or a USB-C charger.
Sincerely,
SmallRig Customer Service

## Frequently Bought Together

- SMALLRIG V Mount Battery VB155, 155Wh / 10500mAh V-Mount Battery with PD 65W USB-C Fast Charging, with D-TAP, USB-A, Dual DC Ports, OLED Screen for Cameras, Camcorders, Video Lights, Monitors
- SMALLRIG V-Mount Battery Plate, V Lock Battery Plate with Dual Quick Release Plate for Arca-Swiss, L-Shape Compact & Foldable V Mount Battery Plate for V Mount Battery, DSLR Camera, Tripod
- SmallRig D-TAP to NP-FZ100 Dummy Battery, NP-FZ100 Power Cable for Sony A7 III, A7 IV, A7S III, A7R III, A7R IV, A7R V, A7C, A7C II, A7CR, A1, A9, A9 II, A6600, A6700, FX3, FX30, ZV-E1 Cameras

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**Shop now:** [https://www.desertcart.hk/products/522970723-smallrig-3581b](https://www.desertcart.hk/products/522970723-smallrig-3581b)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-05-12*