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SK120S Digital Voltage Step-Up/Step-Down Module Adjustable Regulated Power Supply Module Solar Charging Module

SK120S Digital Voltage Step-Up/Step-Down Module Adjustable Regulated Power Supply Module Solar Charging Module

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Specifications

Brand Name
Gaqqee
Origin
Mainland China
High-concerned chemical
None
Condition
New
Type
Module
Supply Voltage
As stated on the details page
Dissipation Power
As stated on the details page
is_customized
Yes
Quantity
1
Operating Temperature
As stated on the details page
Application
Computer
Package
TQFP
Input Voltage
6.000~36.00V
Output Current
0~7.000A
Output Voltage
0~40.00V
Output Power
120W
Stored Data Sets
10 sets
Display Size
1.8-inch LCD
Buzzer
Yes
Soft start
Yes
Typical output ripple
vpp-150mV
MPPT function
Supports MPPT solar charging
Choice
yes

Product Description

Product Features:

1. CNC Precision Adjustment: Supports constant voltage and constant current modes, enabling precise voltage and current regulation to meet diverse requirements

2. MPPT Intelligent Charging: Integrated MPPT charging technology enhances solar charging efficiency, promoting energy conservation and environmental protection

3. High-Power Output: Maximum 7A 120W output delivers robust drive capability, suitable for high-power devices

4. Multi-Layer Safety Protection: Features reverse polarity and backflow prevention to ensure secure, stable operation.

5. Efficient Step-Up/Down Design: Dual voltage conversion mode with low heat generation and stable performance, suitable for prolonged use.


Product Specifications:

Product Name: Digital DC Step-Down Power Supply

Input Voltage: 6.000–36.00V

Output Current: 0–7.000A

Output Voltage: 0~40.00V

Output Power: 120W

Voltage Resolution: 0.01V

Stored Data Sets: 10 sets

Display Size: 1.8-inch LCD

Conversion Efficiency: Approx. 88%

Voltage Accuracy: ±0.5% + 1 digit

Current Accuracy: ±0.5% + 3 digits

Current Resolution: 0.001A

Number of buttons: 5

Buzzer: Yes

Soft start: Yes

Typical output ripple: vpp-150mV

MPPT function: Supports MPPT solar charging


Important notes: This product lacks reverse polarity protection. Connecting battery terminals incorrectly may damage the device. Battery charging requires specialised knowledge; non-professionals should not attempt direct charging to prevent fire or explosion.


Package contents:

Module ×1

Pros & Cons

Pros

  • MPPT solar charging boosts efficiency for renewable setups.
  • High output power 120W with precise CV/CC regulation.
  • Stores 10 data sets and features soft start/buzzer.
  • Wide input range 6-36V suitable for various sources.

Cons

  • Ripple up to 150mV may affect sensitive loads.
  • Operating details vague beyond standard ranges.
  • TQFP package for computer apps, not ultra-compact.
  • Max 7A current limits high-power uses.

Common Questions

What is the build material of the SK120S power supply module?

Compact module with 1.8-inch LCD display and integrated components for durability.

What are the input/output voltage and current ranges?

Input: 6-36V; Output: 0-40V, 0-7A, up to 120W power.

Is this module compatible with solar charging applications?

Yes, supports MPPT solar charging function for efficient energy conversion.

How do you use the adjustable features like soft start and buzzer?

CNC precise adjustment for CV/CC modes, soft start prevents surges, buzzer for alerts.

Shipping origin and time expectations?

Mainland China origin; 7-25 days international shipping.

Product information last updated on January 23, 2026