Power adapter for small electronics that supplies a stable 5V DC output up to 3A. Home tinkerers and parents gain peace of mind from wide compatibility and built-in safety features. Is Mareisa 5V DC Power Supply the reliable spare to cover your 5V devices?
⚡ At a Glance
- • Power Delivery: Stable 5V output up to 3A (15W max) for small electronics
- • Best for: Hobbyists, parents and users needing a dependable 5V spare adapter
- • Not ideal for: Devices requiring built-in hands-free controls or higher voltage charging
Worldwide AC input accepts 100–240V mains and auto-adapts. Centre-positive 5.5mm x 2.5mm barrel plug with eight-tip cord expands physical compatibility.
Broad device compatibility - with eight-tip cord and standard barrel plug
Auto-switching AC input accepts 100V–240V at 50/60Hz while the DC output is fixed at 5V up to 3A. The supplied barrel plug measures 5.5mm x 2.5mm, centre positive, and the cable includes eight tip options for different sockets.
Wide physical and electrical compatibility makes replacement or backup power simple for Raspberry Pi boards, baby monitors, Bluetooth speakers and many other 5V gadgets.
Consistent power delivery - thanks to 5V 3A output and Level VI efficiency
The adapter provides a regulated 5V DC output with a 3A maximum current, delivering up to 15W. Level VI energy efficiency reduces wasted power and heat during normal operation.
Stable voltage and higher efficiency help prevent resets or brownouts on small single-board computers and keep connected electronics running reliably.
Safer operation and cleaner signals - with certifications and EMI suppression
Certified to CE, FCC, UKCA and RoHS standards and built with an anti-interference magnetic ring to reduce electromagnetic interference. Internal protections guard against short circuits, over-voltage and over-current conditions.
Certified safety and EMI control reduce the risk to sensitive devices and minimise interference with audio, video and network equipment.
✨ The 4 Key Reasons for Mareisa 5V DC Power Supply
- Worldwide AC input - Enables use on 100–240V mains when travelling and abroad.
- Eight-tip cable - Eight tip options expand compatibility with varied devices.
- Anti-interference magnetic ring - Reduces EMI for cleaner signal to sensitive electronics.
- Certifications and protections - CE, FCC, UKCA, RoHS with short-circuit and overcurrent safeguards.
📋 Technical Details at a Glance
- Product type: 5V DC power supply
- Brand: Mareisa
- Input: AC 100V-240V 50/60Hz
- Output: DC 5V 3A, 15W max
- Connector: 5.5mm x 2.5mm barrel plug, centre positive
❓ Frequently Asked Questions
Q: Is this compatible with Raspberry Pi boards?
A: Yes. Listed compatibility includes Raspberry Pi 2 Model B, Raspberry Pi 3 Model B/B+, Raspberry Pi 4, Raspberry Pi Zero and Raspberry Pi Pico.
Q: What are the output voltage and maximum current?
A: DC output is 5 volts with a maximum current of 3 amps, providing up to 15 watts.
Q: Does it have safety certifications and protections?
A: Yes. Certified by CE, FCC, UKCA and RoHS, and fitted with short-circuit, over-voltage and over-current protection plus an anti-interference magnetic ring.
🏆 Our Verdict
Ideal for people who need a reliable spare adapter for small 5V electronics and single-board computers. Broad compatibility, safety certifications and EMI suppression are the key strengths. Compact build and multiple tip options make it a practical long-term choice for households and workshops.
