Run your B-mount camera and pro video accessories from the HB-A290B 28.8V 290Wh/10,005mAh B-Mount Battery with Built-In LED Flashlight from SWIT. Robust and versatile, the battery s B-mount interface enables powering B-mount accessories, cameras, or lights with the correct voltage, which is determined by the device s B-mount plate.
The HB-A290B has several powerful features, including multiple circuit protections to prevent overcharging, an OLED status display, and a built-in flashlight to illuminate the mount when you are installing the battery. There are also two 16V D-Tap outputs and one 5V USB Type-A port for powering accessories, and it also has a USB Type-C port that can be used to power accessories or to charge the battery with a separately available charger. Designed to be strong, reliable, and versatile, this battery is built to withstand falls from 3.9 .
ARRI-Standard B-Mount Battery
The B-mount battery interface is a new industry standard endorsed by ARRI and the wider industry with high voltage support and a reliable lock system.
28.8V for Cine Gear
The 28.8V (22-33.6V) high voltage matches all ARRI cameras and lights and equivalent high-powered cine equipment by effectively reducing current, providing reliability and long life.
290Wh Large Capacity
The HB-A290B battery has a large 290Wh capacity and at least 250W/10A constant high load for cine cameras and devices.
Multiple Inputs and Outputs
The HB-A290B still provides two regulated 16V D-Tap outputs with 60W/3.8A load: one 5V/2A USB Type-A output and one USB Type-C 60W input/output.
Circuit Protection
The battery features multiple circuit protections to protect your battery and your gear.
USB Type-C 60W Power Output
You can power a laptop via the USB Type-C output of the HB-A290B battery, as it supports 5V 3A, 9V 3A, 12V 3A, 15V 3A, and maximum 20V 3A voltages, as well as BC1.2, PD2.0/3.0, QC2.0/3.0, FCP, and SCP protocols.
USB Type-C 60W Charging Input
The HB-A290B can be charged using an optional USB Type-C charger, and it supports PD 15V 3A and 20V 3A, which means you can fully charge the 290Wh battery within 5.5 hours.
OLED Power Info Display
The HB-A290B provides an OLED screen to display battery status and power information, including power percentage, remaining runtime, USB Type-A/Type-C status, and protection warning code if anything abnormal is detected.
100W Super-Fast Charging
You can charge four HB-A290B batteries simultaneously on the SWIT PC-P461B B-mount charger using 33.6V 3A, 100W super-fast charging. The charger will take approximately 3 hours and 50 minutes to fully charge four HB-A290B batteries.
LED Flashlight
You can double-press the Power Check button to switch on the LED flashlight on the rear side of the battery to help you to find the B-mount plate in a dark production environment.
Drop Proof at 3.9
The HB-A290B battery can survive a drop from 3.9 at any angle, providing strong and reliable performance for filmmakers.
SWIT HB-A290B Specs
| Mount / Series Type | B-Mount |
| Chemistry | Lithium-Ion |
| Battery Capacity | 10,005 mAh / 290 Wh |
| Output Voltage | 28.8 VDC |
| Maximum Load | 10 A (Peak) |
| Accessory I/O | 2 x D-Tap Output 16 V Regulated 1 x USB Type-A Output 5 V, 2 A Regulated 1 x USB Type-C Input/Output 60 W Regulated |
| Maximum Load (Accessory I/O) | 60 W, 3.8 A (D-Tap) |
| USB Output | 5 V, 2 A |
| Dimensions (W x H x D) | 5.7 x 3.9 x 3.1" / 14.4 x 10 x 7.9 cm |
| Weight | 3.35 lb / 1.52 kg |
Packaging Info
| Package Weight | 3.51 lb |
| Box Dimensions (LxWxH) | 6.05 x 4.25 x 3.1" |
In the Box
- SWIT HB-A290B 28.8V 290Wh/10,005mAh B-Mount Battery with Built-In LED Flashlight
- 2-Year Manufacturer Warranty
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