The PB120B1 is a rechargeable 12V lithium-ion battery pack designed to provide portable power for a wide range of 12V DC devices. Featuring a high-capacity 38400mAh (142.08Wh) lithium-ion battery, it delivers reliable power for LED lighting systems, CCTV cameras, networking equipment, telescopes, mobile devices, and other compatible electronics. The battery pack includes dual 12V DC outputs and a 5V USB output, making it a versatile power solution for both stationary and portable applications. Its integrated protection circuitry helps safeguard against overcharging, over-discharging, over-current, over-voltage, and short circuits.