Powering Your Lcd Monitor With A Power Bank

Running an LCD monitor from a power bank is possible, but it can be challenging. The first step is to understand the power requirements of the monitor and the power output of the power bank. The voltage, current, and frequency requirements of the monitor must be met by the power bank, and the power bank must have sufficient capacity to power the monitor for the desired length of time. One option is to use a power inverter to change the DC output of the power bank to AC, but this may not be the most efficient solution. Another option is to use a DC to DC converter to regulate the voltage and current output of the power bank to match the requirements of the monitor. Additionally, some portable monitors can be powered by USB, which has a low power output. It is also important to consider the safety precautions when working with electronics and power sources.

Using a power inverter

To do this, you'll need a power inverter that can convert the DC output of your power bank to AC power that the LCD monitor can use. Make sure to choose a power inverter that is compatible with the voltage and current requirements of your monitor.

Additionally, consider using a high-efficiency power inverter to maximise the power available from your power bank. You can find compact and lightweight power inverters that can deliver sufficient power for your monitor.

For example, if your LCD monitor requires 12V and consumes 24W of power, you can calculate the required capacity of your power bank. In this case, for an 8-hour runtime, you would need 200Wh of power (24W x 8 hours).

When selecting a power bank, ensure it can provide the required voltage and has sufficient capacity (in watt-hours or amp-hours) to power your monitor for the desired duration. Keep in mind that the power bank's voltage should match the input voltage of the power inverter.

By using a power inverter, you can avoid the complexity of directly powering the monitor with DC power from the power bank, as you won't need to deal with multiple battery cells and voltage converters. Simply connect your power bank to the power inverter, and then plug your LCD monitor into the power inverter to power it.

This method provides a convenient and relatively simple solution to running your LCD monitor off a power bank, without the need for extensive modifications or electronics expertise.

Powering the monitor and mainboard separately

To power an LCD monitor from a power bank, you will need to determine the power requirements of your monitor. This includes the voltage, current, and frequency it requires, and whether it runs on AC or DC power. You can then match these requirements to the output of a suitable power bank.

Some power banks will have a DC output, which can be converted to the appropriate voltage for your monitor using a DC to USB-C converter. However, it is important to ensure that the power bank can supply the required voltage and current for your monitor.

If your monitor requires AC power, you may need to use a power inverter to convert the DC output of the power bank to AC. In this case, it is important to consider the efficiency of the inverter, as this will impact the overall power drawn from the power bank.

Additionally, some portable monitors are designed with built-in batteries, which can be charged separately and used to power the monitor without the need for an external power source. These monitors are designed with low power requirements, making them suitable for use with power banks.

It is important to note that powering an LCD monitor from a power bank may not be the most efficient method, as it requires additional equipment and may not provide significant benefits in terms of space, weight, or energy savings.

Using a portable monitor with a built-in battery

Portable monitors with built-in batteries typically feature a 10,000mAh battery that provides up to four hours of continuous use. They are available in various display sizes, ranging from 13.3 inches to 17.3 inches, and offer different resolutions, including FHD 1080p and 4K displays. Some models also include additional features such as touch input, high refresh rates, and built-in speakers.

When choosing a portable monitor with a built-in battery, consider factors such as screen size, resolution, battery life, and additional features that suit your specific needs.

• ASUS ZenScreen 15.6” 1080P Portable USB Monitor (MB16AHP)
• UPERFECT 15.6 Inch IPS HDR 1920X1080 FHD USB C Monitor Built-in 10800mAh Battery
• ViewSonic VA1655 15.6 Inch 1080p Portable IPS Monitor with a Built-in Stand
• Acer PM141Q 13.3" Full HD Portable Monitor with USB Type-C and Mini HDMI

Using a 12V battery

Running an LCD monitor from a 12V battery is possible, but it depends on the specific monitor model you are using. You will need to know the power requirements, including the voltage, current, and frequency, and how clean the power needs to be.

For example, if you have a 17" LCD monitor that can run off a battery, drawing no more than 5A at 12V, a car battery is not a good option. Car batteries are designed for small bursts of very high current and to be immediately recharged. They are typically kept in a constant state of full charge and can be damaged when at lower levels of charge. Instead, you could use a sealed lead-acid battery, often used in UPS (uninterruptible power supplies). Deep-cycle lead-acid batteries are another option, designed for supplying smaller currents for longer.

Alternatively, you could use a power inverter to change the 12V DC from a battery to 110V AC, which is what many LCD monitors require. However, this adds bulk and weight to your setup, and you may be better off using a portable monitor with a built-in battery.

Using a DC to DC voltage converter

It is important to note that the power bank's output current (amperage) is also a critical factor. The LCD controller board may require more than 3A of current, which is typically higher than what a standard power bank can provide. Therefore, it is essential to ensure that the power bank can supply the required voltage and current simultaneously.

When selecting a DC to DC voltage converter, it is crucial to match the output voltage of the converter to the input voltage requirements of the LCD monitor. This can be achieved by adjusting the converter's settings or choosing a converter with a fixed output voltage that matches the monitor's needs.

Additionally, the converter's current rating should also be considered to ensure it can handle the required amperage. It may be necessary to connect the LCD monitor directly to a mains-powered power supply that can provide the required voltage and current if the power bank and converter combination cannot meet the requirements.

For those with basic electrical knowledge and skills, this method can be a viable option to power an LCD monitor with a power bank. However, it is important to exercise caution and have a good understanding of the electrical requirements of both the LCD monitor and the power bank to ensure a safe and functional setup.

Frequently asked questions