JPS300V4.5A4 LED Display Power Supply
The G-Energy JPS300V4.5A4 is a 4.5V power supply for LED display systems, with a listed maximum output power of 300W. Its product information specifies 110V / 220Vac input at 47–63Hz, natural cooling and a 190 × 82 × 30 mm enclosure.
For replacement orders, match the complete model number and output voltage on the existing unit. Check the product photograph below alongside the cabinet’s mounting and terminal layout.
Product Parameters
| Parameter | Listed specification |
|---|---|
| Model | JPS300V4.5A4 |
| Output voltage | 4.5V |
| Maximum output power | 300W Max |
| Input voltage | 110V / 220Vac |
| Input frequency | 47–63Hz |
| Leakage current | <1mA (Vin:230) |
| Working temperature | -30°C to 70°C |
| Storage temperature | -40°C to 80°C |
| Cooling method | Natural cooling |
| Efficiency factor (original specification label) | 0.50@230Vac |
| Dimensions (L × W × H) | 190 × 82 × 30 mm |
| Listed protection functions | Input undervoltage protection; input undervoltage recovery point; output current limiting protection point |
The input specification is listed as 110V / 220Vac. Confirm the voltage selection method on the supplied unit; this listing does not establish automatic input switching. The factor value is retained as listed and is not a confirmed conversion-efficiency percentage.
Replacement and Cabinet Fit
Check the LED modules’ required supply voltage, total load, mounting holes and cable clearance before choosing this model. Use the unit’s operating instructions to determine the allowable load for the installation temperature. The maximum power rating and temperature range should not be read as a guarantee of full output at every temperature.
For a label or mounting check, use our contact page. Other models are available in our LED power supply category.
Frequently Asked Questions
Is the JPS300V4.5A4 a 4.5V or 5V power supply?
This listing specifies a 4.5V output. Match it to the voltage requirements of your LED modules; do not assume it is interchangeable with a 5V model.
Does the JPS300V4.5A4 support both 110V and 220V input?
The listed input is 110V / 220Vac at 47–63Hz. Check the supplied unit’s label and voltage selection instructions before connecting power.
What size is this power supply?
The listed enclosure dimensions are 190 × 82 × 30 mm (length × width × height). Confirm mounting-hole positions and terminal clearance separately.
Where can I see a photo of the JPS300V4.5A4?
The original product photograph is retained below. For a current-unit label or terminal-layout photo before ordering, contact us with the full model number.
What cooling method does this model use?
The product information specifies natural cooling. Follow the installation requirements for mounting and heat dissipation when fitting it in an LED cabinet.
Conclusion
Choose the JPS300V4.5A4 when its listed 4.5V output, input requirements and enclosure dimensions match the LED display installation. Confirm the exact unit and cabinet requirements before ordering a replacement.
Product Photograph




