SWIT HB-A290B 290Wh 28.8V B-Mount Camera Battery

SWIT HB-A290B 290Wh 28.8V B-Mount Camera Battery

The SWIT HB-A290B B-mount camera battery delivers 290Wh of high-capacity power for professional cinema cameras, production monitors, lighting fixtures, and other demanding equipment. Its 28.8V architecture supports a continuous 250W load, while the secure B-mount interface provides dependable power delivery for high-voltage production workflows.

Designed for filmmakers, rental houses, digital imaging technicians, and broadcast crews, this professional cinema battery combines extended runtime with flexible accessory power. Two regulated D-Tap outputs support camera-mounted equipment, while USB-A and bidirectional USB-C connections power mobile devices, production accessories, and compatible laptops. The USB-C port also provides a convenient alternative method for charging the battery.

An integrated OLED display shows remaining capacity, estimated runtime, connection status, and protection warnings for easier power management on set. Multiple circuit protections safeguard the battery and connected equipment, while the reinforced housing withstands drops from up to 3.94 feet. The built-in LED torch helps operators locate the B-mount plate in dark studios, stages, and nighttime production environments.

Key Features

• High-Capacity Power: Provides 290Wh and 10.05Ah for extended professional camera and lighting operation.
• High-Voltage B-Mount: Delivers a nominal 28.8V output through a secure industry-standard B-mount interface.
• 250W Continuous Load: Supports power-intensive cinema cameras, lights, monitors, and production accessories.
• Multiple Accessory Outputs: Includes two regulated D-Tap outputs, one USB-A port, and one bidirectional USB-C port.
• Fast Charging Support: Accepts up to 100W through compatible B-mount charging equipment.
• OLED Status Display: Shows capacity, runtime, USB activity, and system protection information.
• Built-In LED Torch: Illuminates the rear mounting area for easier installation in low-light environments.
• Rugged Construction: Withstands drops from heights up to 3.94 feet for dependable field use.

Technical Specifications

• Battery Type: Rechargeable B-mount camera battery
• Battery Chemistry: Lithium-ion
• Nominal Voltage: 28.8V
• Operating Voltage Range: 21.6 to 33.6V
• Capacity: 290Wh / 10.05Ah
• Continuous Load: 250W / 10A
• Maximum Charging Rate: 100W / 3A
• Mount Type: B-mount
• D-Tap Outputs: 2 regulated outputs
• D-Tap Output Rating: 16V, 60W / 3.8A each
• USB-A Output: 5V / 2A, 10W
• USB-C Output: Up to 60W at 5V, 9V, 12V, 15V, or 20V / 3A
• USB-C Output Protocols: BC1.2, PD 2.0, PD 3.0, QC 2.0, QC 3.0, FCP, and SCP
• USB-C Charging Input: Up to 60W at 15V or 20V / 3A
• USB-C Charging Time: Approximately 5.5 hours with a compatible 60W charger
• Display: OLED power information display
• Charging Temperature: 32 to 104°F
• Discharging Temperature: -4 to 122°F
• Drop Resistance: Up to 3.94'
• Dimensions: 5.67" x 3.94" x 2.76"
• Weight: 3.35 lbs
• Package Dimensions: 6.05" x 4.25" x 3.1"
• Package Weight: 3.51 lbs

What's In the Box

• SWIT HB-A290B 290Wh 28.8V B-Mount Battery