

Products
Reliable • Innovative • Proven

Desktop Type Power Adapters
Tailored power supply design delivers versatile power supply solutions, our desktop units belong to stable AC-DC power supplies with optional multi output power supply layouts for diverse stationary devices.

Interchangeable Plug Power Adapters
As reputable power supply manufacturers, we optimize DC-DC converters inside these interchangeable-plug adapters to adapt international voltage standards.

Wall-Mounted Adapters
Compact wall-mounted AC-DC power supplies support high voltage power supplies customization to meet harsh industrial power demands.

GaN PD Chargers (Interchangeable)
Our mature power supply design empowers compact GaN chargers, delivering flexible power supply solutions for consumer fast-charging scenarios.

Medical Grade Power Adapters
Working as trusted medical power supply manufacturers as well as a professional medical power supplier, our adapters pass strict medical safety certifications.

PD Power Adapters
Built with premium DC-DC converters, our PD adapters offer adjustable multi output power supply settings for electronics fast charging.

POE Power Adapters
Reliable high voltage power supplies from our factory serve POE networking gear, and we provide bespoke power supply design for network projects.

Ultra-thin GaN PD Chargers (Support Wireless Watch Charging)
Top-tier power supply manufacturers craft these slim chargers, offering all-round power supply solutions covering wearable gadget charging needs.
Our product range includes
- AC/DC power adapters
- Wall-mounted and desktop power adapters
- Interchangeable plug adapters
- USB chargers and GaN PD chargers
- Medical-grade power adapters
Fully Customizable Desktop Series
36–600WOutput & Performance
Fixed constant-voltage DC output, matched to your device.

Output Examples · 36–600W
| Output example | Power |
|---|---|
| 12V / 3A | 36W |
| 24V / 6.25A | 150W |
| 48V / 7.5A | 360W |
| 48V / 12.5A | 600WDesign example |
600W example calculated as 48V × 12.5A; engineering confirmation required.

Configurable Design Targets
- Power selection
- 36–600W
- Voltage accuracy
- ±5% design target
- Load range
- 0–100% rated load target
- No-load power
- By power level & efficiency requirement
- Ripple & noise
- mV p-p target set for the output
- Output overshoot
- ≤10% design target
- Line / load regulation
- ±1% / ±5% design targets
- Turn-on delay
- ≤3000ms design target
- Hold-up time
- 10–20ms design target; by AC input & load

Hold-up
Series Voltage & Power
| Series | Output range | Max. power |
|---|---|---|
| MKE | 3–48V | 36W |
| MKF | 5–48V | 65W |
| MKI | 5–48V / 60V* | 120W |
| MKJ | 5–48V | 150W |
| MKK | 5–56V | 200W |
| MKL | 5–56V | 250W |
| MKL2 | 12–60V | 360W |
| MKM | 12–60V | 420W |
| MKN | Project-specific | 600W |
*MKI 60V: Class I CB scope. Output combinations and limits are model-specific; MKN voltage range requires confirmation.
AC Inlets & Regional Power Cords
Inlet, regional plug and cord length selected for the model and destination.



EU / KR
Europe / South KoreaUK
United KingdomAU
AustraliaCN
Mainland ChinaAR
ArgentinaClass II: L + N · Class I: L + N + protective earth (PE). Regional images are examples; approved cord sets are matched to each market.
DC Cables & Connectors
Cable construction, length, gauge, materials and termination can be specified.



Straight Barrel Plugs
5.5 × 2.1 / 5.5 × 2.5 / 4.75 × 1.7 / 4.0 × 1.7 / 3.5 × 1.35 / 2.35 × 0.7 / 6.3 × 3.0 / 6.5 × 1.4 mm

Right-angle Barrel Plugs
Various barrel sizes for side-exit cable routing.

Power mini-DIN
3-pin / 4-pin; overmolded or assembled locking versions.

Locking & Threaded Plugs
5.5 × 2.1 / 5.5 × 2.5 mm; locking and threaded versions.

Interchangeable DC Tips
2-pin / 3-pin connector options.

Stripped & Tinned Ends
For internal device wiring or terminal connections.
Additional DIN options: 3 / 4 / 5 / 6 / 7 / 8-pin. Connector sizes, cable gauge and material options depend on the selected model and current rating.
Materials & Components
Material, brand and series options from the MKF customization reference.


Transformer Insulation Materials
- Transformer bobbin
- Phenolic material
Chang Chun T375J / Sumitomo PM-9820 - Triple-insulated wire
- TOTOKU TIW-2 / Furukawa TEX-E
- Insulating tape
- 3M 1350F-1 / YAHUA CT, PZ series
- Insulating varnish
- ELANTAS 468-2FC / WP-2952F-2G
Components & Cable Materials
- Optocouplers
- EL1019 / LTV-1019 / OR1019 / CT1019
- Fuses
- LANSON / WALTER
- Safety capacitors
- FARATRONIC X2; Y1 / Y2 safety capacitors
- Output cable styles
- 2464 / 2468 / 1185
- Heat-shrink tubing
- RSFR-H / SALIPT series
Components and materials are supplied according to the certified configuration of each model.

Introducing Merryking
Your Trusted Power Supply Partner
Our long history of innovation and technology leadership, broad portfolio of proprietary products and global technical talent help solve our customers' most challenging power delivery problems for:
- Semiconductor Equipment
- Industrial and Medical Product
- Data Center Computing
- Telecom and Networking Applications

Introducing Merryking
Your Trusted Power Supply Partner
Our long history of innovation and technology leadership, broad portfolio of proprietary products and global technical talent help solve our customers' most challenging power delivery problems for:
- Semiconductor Equipment
- Industrial and Medical Product
- Data Center Computing
- Telecom and Networking Applications
Solutions
ICT Equipment
Reliable AC-DC power supplies and customizable multi output power supply options from leading power supply manufacturers power laptops, routers, and communication devices.
Read moreSecurity & Surveillance
Tailored power supply solutions with optimized DC-DC converters deliver steady power for IP cameras, NVRs, and access control systems.
Read moreAudio / Video
Proficient power supply design adapts our power adapters to power TVs, soundbars, projectors and all kinds of AV equipment.
Read moreHome Appliances
Certified high voltage power supplies and flexible power supply solutions power smart-home and kitchen appliances safely.
Read moreMedical Equipment
As qualified medical power supply manufacturers and a trusted medical power supplier, we offer low-ripple adapters with strict safety certs for medical devices.
Read moreConsumer Electronics
Expert power supply design yields compact chargers and multi output power supply variants for smartphones, tablets, and wearables.
Read moreLED Lighting
Our factory as seasoned power supply manufacturers provides constant-voltage DC-DC converters to drive indoor and outdoor LED systems.
Read moreLatest News

How to Read a Power Adapter Derating Curve Correctly
Read a power adapter derating curve, calculate allowable load, distinguish temperature limits, and validate the exact model in an OEM product.
Read More
Power Supply REACH Compliance: What You Need to Verify
Review power supply REACH compliance using model-specific records, constituent-article thresholds, supplier evidence and clear EU duty boundaries.
Read More
Does Your Appliance Need an IEC 60335-1 Power Supply?
Check IEC 60335-1 power supply applicability, compatible Part 2 editions, model-specific reports, and the evidence needed for your appliance.
Read More
Private Label Power Adapters: What You Need to Approve
Approve private label power adapters by model, artwork, market evidence and release owner. Clarify branded files and change rules before production.
Read MoreCertifications


Our Clients
Trusted by industry leaders worldwide




















