15V 1.2A Wall Mount Power Adapter — 18W

Last updated: April 2026

Specifications of SQ1004 15V Wall Mount Power Adapter

Parameter	Specification
SKU	SQ1004
Output	15VDC, 1.2A (18W)
Input	100–240VAC, 50/60Hz
Dimensions	75.2 × 37 × 50.6mm
Regional Plugs	US, EU
Protection	Input under-voltage, OVP, OCP, SCP, OTP
Surge	1KV / 4KV / 6KV optional
Energy Efficiency	DoE Level V / VI optional
Certifications	UL 62368-1, FCC Part 15, CE, RoHS, REACH
MOQ	1,000 units (stock), 3,000 (custom)

Why Choose Sunshine’s 15V Wall Adapter

The SQ1004 fills the 15V voltage tier that sits between the common 12V and 19V adapter ranges — a tier required by a specific set of devices including certain LED lighting controllers, professional audio interfaces, industrial temperature sensors, and networking equipment that cannot operate on 12V (insufficient voltage) or 19V (excessive voltage). Specifying the exact voltage the device requires avoids the voltage-mismatch problems that occur when buyers substitute a 12V adapter for a 15V device (under-voltage, device won’t boot) or a 19V adapter (over-voltage, potential component damage).

With over 22 years of power adapter manufacturing and ±3% output voltage accuracy, Sunshine’s SQ1004 delivers a stable 15.0V ±0.45V under full load — the tolerance band that ensures device compatibility across manufacturing variance in both the adapter and the powered device’s input voltage range.

Applications

The SQ1004 is specified for professional audio equipment (mixers, preamps, effects processors requiring 15V), LED strip controllers (certain addressable LED controllers operate at 15V), industrial sensors and data loggers, networking equipment (certain managed switches and access points), and custom OEM devices designed around a 15V power rail.

For 12V wall adapters (the most common voltage tier), see the existing products in our wall mount catalog. For higher voltages (19V–48V), see our desktop power adapter range.

Customization and OEM Services

Output voltage (adjustable within 5–15V range), output current, connector type (barrel jack size, polarity), surge level, energy class, regional plug, housing color, and branding are customizable. MOQ 1,000 units for stock, 3,000 for custom.

Certifications and Compliance

Tested to UL 62368-1, FCC Part 15, CE, RoHS/REACH.

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Key Features and Voltage Accuracy

The SQ1004 delivers 15.0V ±0.45V (±3%) under full 1.2A load — the regulation accuracy that determines whether a 15V device operates within its design parameters or experiences the undervoltage/overvoltage symptoms that cause intermittent behavior. Many devices designed for 15V input specify an acceptable range of 14–16V; the SQ1004’s ±3% regulation keeps the output comfortably within this window at any load from no-load to maximum rated current.

All five protection circuits are active simultaneously: input under-voltage protection prevents operation on brownout AC power (which would cause unstable output), over-voltage protection clamps output excursions during load transients, over-current protection limits draw to 1.2A maximum, short-circuit protection survives indefinite dead-short with automatic recovery, and over-temperature protection shuts down before the switching FETs or transformer exceed safe junction temperature. These protections are always-on — there is no user setting or fuse to replace.

Why 15V? The Voltage Tier Between 12V and 19V

The 15V power rail is less common than 5V, 12V, or 19V, but it serves a specific set of devices that cannot operate on the adjacent standard voltages. Certain LED strip controllers use 15V because it provides sufficient headroom for PWM dimming without the thermal penalty of 19V. Professional audio equipment (mixer preamp stages, phantom power circuits) often spec 15V for optimal SNR performance. Industrial sensors and PLCs with 15V input stages exist because the 15V rail provides better noise margin than 12V in electrically noisy factory environments. For these devices, substituting a 12V adapter results in insufficient voltage (device won’t operate), and substituting a 19V adapter risks exceeding the device’s maximum input voltage rating (potential component damage).

Frequently Asked Questions

Can I use the SQ1004 for a device that requires exactly 15V?

Yes — the SQ1004 outputs 15.0V ±3% (14.55V–15.45V) under any load from 0A to 1.2A. This is within the acceptable input range of virtually all devices specifying 15V input. If your device requires tighter tolerance (e.g., ±1%), contact our engineering team about a precision-regulated custom variant.

What connector/barrel jack does the SQ1004 use?

The standard SQ1004 ships with a 5.5mm × 2.1mm center-positive barrel jack — the most common DC power connector for devices in this voltage range. Custom connector options include 5.5×2.5mm, 3.5×1.35mm, and other barrel sizes, as well as JST, Molex, and custom pin configurations at MOQ 3,000.

Is 15V adapter the same as a 15V charger?

No — the SQ1004 is a power adapter (fixed 15V DC output) with no battery management circuitry. It powers devices directly, not charge batteries. For battery charging applications at 15V, a dedicated charger with CC-CV charge control is required. See our Power Adapter vs Charger guide for the detailed difference.

What MOQ and lead time should I expect?

MOQ is 1,000 units for stock (15V/1.2A with US or EU plug) and 3,000 for custom (voltage fine-tuning, connector, branding). Lead time is 25–35 days. Multi-voltage orders (e.g., 12V + 15V adapters on one PO) ship on the same production timeline.

How to Order

Contact our sales team with target voltage, current, connector, plug type, and quantity. Quote within 8 hours.

Browse our full wall mount power adapter catalog.