XY-SK220X DC Buck Boost Power Supply Module 9A 220W MPPT Solar Charging CV/CC/CW Output with 1.8 Inch LCD Display

Specification:
Product Name: XY-SK220X DC Buck-Boost Programmable Power Supply Module
Input Voltage: 6.0 – 36.0V DC
Output Voltage: 0 – 40.00V DC, resolution 0.01V
Output Current: 0 – 9.000A, resolution 0.001A
Maximum Output Power: 220W
Conversion Efficiency: about 88% (typical)
Output Ripple (typical): ≤ 150 mVp-p
Operating Modes: Constant Voltage (CV), Constant Current (CC), Constant Power (CW)
Data Storage: 10 user data groups (Cd0–Cd9)
Screen: >1.8" full-view VA color LCD, view area 38 × 29 mm
Protection Functions:
Reverse polarity (input)
Reverse current / anti-backflow
Hardware input overcurrent (ICP 13 A fixed)
LVP: 5.5–36 V (default 5.5 V)
OVP: 0–42 V (default 42 V)
OCP: 0–9.2 A (default 9.2 A)
OPP: 0–240 W (default 220 W)
OTP: 60–110 °C (default 110 °C)
OHP: 1 minute – 99 hours 59 minutes (default off)
OAH: 0–9999 Ah (default off)
OWH: 0–4200 kWh (default off)
ETP: 0–110 °C (external probe, default off)
External Temperature Probe Interface: 10K NTC 3950B
Communication Interface: 4-pin XH1.25mm serial, supports standard Modbus protocol
Buzzer: Yes (key tone & alarm)
Soft Start: Yes
MCU: 48‑pin controller, 64 MHz clock, external crystal for high-precision statistics
Product Size: 86 × 50 × 45 mm
Package Size: 104 × 70 × 52 mm
Net Weight: about 124g (144g with package)
Shell Material: Flame-retardant case, double-buckle structure
Buttons / Controls: 5 keys (V-SET, Input-SET, SW, Encoder, ON/OFF) with indicator lights

Features:
1. All-in-one CV/CC/CW Output: Step-up/step-down DC power supply with precise voltage, current and power control, suitable for laboratory use, battery charging and DIY electronics.
2. Large Color LCD Interface: 1.8"+ multi-color VA screen shows voltage, current, power, capacity (Ah), energy (Wh), time and temperature in rotation for clear real-time monitoring.
3. Comprehensive Protection System: Built-in reverse polarity, reverse current, hardware input overcurrent and multiple programmable protections (LVP, OVP, OCP, OPP, OTP, OHP, OAH, OWH, ETP) to help guard connected loads.
4. MPPT Solar Charging Support: Integrated MPPT function for solar panel applications, with anti-backflow design and support for external NTC probe to stop charging automatically when over-temperature occurs.
5. Smart Control & Communication: Supports serial communication and standard Modbus protocol; can be extended with WiFi/485/IR/433 MHz modules for PC software control, mobile app control, cloud monitoring and firmware upgrade.
6. User-Friendly Operation: Silicone keys with LEDs, encoder knob for quick adjustment, 10 memory groups for fast recall, key-lock function, plug-in terminals and built-in buzzer for prompts and alarms.

Package Includes:
1 x XY-SK220X DC Buck-Boost Programmable Power Supply Module