This is the Hitec ePowerbox 50-Amp 1200W Power Supply.

Features:

• Adjustable output of 15-30 VDC
• One 50-Amp and three 10-Amp output ports (with On/Off Switch)
• Dual smart fan cooling
• 50 amps of current with an input voltage range from 100VAC to 240VAC
• Backlit LCD screen displays voltage and amperage output
• Active Power Factor Correction
• Two 5V USB output ports
• One year limited warranty (through Hitec RCD USA, INC.) beginning at date of purchase

Includes:
Hitec ePowerbox 50-Amp Power Supply, AC Power Cord

Watts: 1200
DC Output Voltage: 15 ~ 30V adjustable
Output Current: 50A +-1A
Current Precision: +-0.5A
Output Voltage Ripple: <300mV
Output Ports: One 50-Amp and three 10-Amp, two 5V USB ports
Efficiency: 89%
Dimensions: 12.0 x 6.7 x 3.3" (305 x 170 x 85mm)
Net Weight: 6.8lbs (3.08kg)