SWIT HB-A290B 290Wh B-mount Battery
The SWIT HB-A290B is a 290Wh, 28.8V B-mount battery with a 250W load, 2x regulated D-tap, 60W USB-C in and out, USB-A, an OLED display, a built-in LED torch and 1.2m drop-proof construction. Available from Prosales, South Africa.
SKU: HB-A290B
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The SWIT HB-A290B is a 290Wh, 28.8V B-mount battery built to run high-draw cine cameras and lighting through long shooting days. It delivers a 250W constant load, pairs 2x regulated D-tap outputs with 60W USB-C input and output, and adds a clear OLED display, a built-in LED torch and a rugged 1.2m drop-proof body. It suits productions running ARRI, Blackmagic URSA Cine and other high-voltage cine equipment.
Key Features
- 290Wh high capacity: a large 10Ah reserve that powers a camera and accessories across a full day
- 28.8V B-mount: high voltage that matches modern high-power cine cameras and lights
- 250W constant load: ample continuous output for demanding camera and lighting setups
- 2x regulated D-tap: two 16V D-tap outputs for powering accessories on set
- 60W USB-C in and out: fast USB-C charging of the battery and power delivery to devices
- OLED display: shows charge percentage, remaining runtime and status warnings at a glance
- Built-in LED torch: a rear flashlight for quick work in low light
- 1.2m drop-proof build: rugged construction rated to survive falls from 1.2m
Ideal For
- Powering high-voltage cine cameras such as ARRI and Blackmagic URSA Cine
- Long-form and full-day shoots that need large on-board capacity
- Running a camera plus lights and accessories from a single battery
- Productions standardised on the B-mount power platform
Specifications
- Capacity: 290Wh (approx 10Ah)
- Voltage: 28.8V
- Mount: B-mount
- Maximum load: 250W
- D-tap: 2x regulated 16V
- USB-C: 60W input and output
- USB-A: Yes
- Display: OLED capacity and status readout
- LED torch: Built-in rear flashlight
- Durability: 1.2m drop-proof construction
Available from Prosales, South Africa.
| Capacity | 290Wh (approx 10Ah) |
| Voltage | 28.8V |
| Mount | B-mount |
| Maximum load | 250W |
| D-tap | 2x regulated 16V |
| USB-C | 60W input and output |
| USB-A | Yes |
| Display | OLED capacity and status readout |
| LED torch | Built-in rear flashlight |
| Durability | 1.2m drop-proof construction |
290Wh B-mount capacity
A large 290Wh, 28.8V reserve that keeps high-draw cine cameras and lighting running through long shooting days.
250W load with dual D-tap
A 250W constant load with two regulated D-tap outputs plus 60W USB-C in and out to power a full rig from one battery.
OLED, torch and rugged build
An OLED status display, built-in LED torch and 1.2m drop-proof body for reliable use on demanding sets.









