✅ Things to know before buying📌 1. We are a factory with sufficient stock and deliver every day.📌 2. One-year warranty, free replacement of accessories or new unit (except for man-made damage).📌 3. We can issue sales invoices, tax invoices and receipts.📌 4. Before purchasing, be sure to click to select your preferred model, we will ship according to the model you selected.---# ℹ️ About this item### 🖥️ Precise 4-digit LED Display, Auto Power CalculationThe KUAIQU adjustable DC power supply is a professional regulated switching power supply with high resolution: 0.01V / 0.001A.Large bright 4-digit LED screen shows Voltage (V) / Current (A) / Power (W) in real time. High-definition backlit display, clear and accurate readings even under low light environments.### ⏯️ Output Switch ControlEasily turn output ON/OFF with dedicated OUTPUT button.You can preset voltage & current value before enabling power output, avoid accidental damage to loads during setup. No need to disconnect load or reboot the machine every time, safer & more efficient for lab experiments and electronic work.### 🛡️ Reliability & Multi Safety ProtectionSafety is our priority. CE & FCC certified.Built with premium electronic components and complete protection: leakage protection, ground terminal, OVP over-voltage, OCP over-current, over-power, overload, over-temperature & short-circuit protection. Extend equipment service life and guarantee stable operation.> > Reminder: Input support 110V/220V, will match EU/US/AU/UK plug according to your region.### 🔋 5V 2A USB Port + Intelligent Cooling FanBuilt-in 5V 2A USB charging port for quick charge of USB devices.Smart temperature-controlled fan + heat sink. Fan activates automatically when temperature over 50℃(122℉), lower running noise, improve working efficiency and service life.### 📦 Compact Design, Lightweight & PortableStable structure with shockproof rubber feet at bottom, anti-slip during operation.Size: 8.43.35.5 inches, Weight: only 2.6 lbs. Easy to carry between workstations.### 🧪 Various ApplicationsIdeal for battery charging (LiFePO4, lead-acid battery etc.), electronics repair, communication equipment maintenance, electrolysis, electroplating, brush plating, lamp test, aging / burn-in test, production line testing, DIY project, school laboratory, scientific research & teaching.Great choice for beginners, professional electricians and electronic DIY enthusiasts.### 🤝 Quality Assurance & Customer ServicePackage includes: DC power supply ×1, output power cord ×1, input power cord ×1, user manual ×1.All units & accessories are fully inspected before shipment.Efficient after-sales service & technical support. We reply within 24 hours if you have any questions.### ⚡ Stable Output, C.V./C.C. Automatic ConversionLow noise & low ripple continuous adjustable output, support long-time full-load operation.Auto switch between Constant Voltage (C.V.) / Constant Current (C.C.) mode with load change. Check working status indicator on LED screen directly.### 🎛️ Front Power Switch, Precise Coarse & Fine Adjustment KnobsPower switch located on front panel, no need to reach rear side to turn on/off.Dual knobs for coarse + fine tuning of voltage & current, easy to set your target value accurately.---# 📋 DC Power Supply Variable Specification### 🎯 Application rangeAdjustable battery charging power supply, suitable for charging batteries of electric vehicles, golf carts, sweepers, cars, drones and other machinery & equipment.1. Teaching experiments & scientific research2. Electronic production line testing and aging test3. Communication equipment maintenance4. Other scenarios requiring DC regulated power supply### 📊 Technical Parameters- Input voltage: AC220V±10% 50Hz / AC110V±10% 60Hz- Working temperature: -10 °C ~ 40 °C | Relative humidity - Storage temperature: -10 °C ~70 °C | Relative humidity - Constant voltage state: Voltage stability ≤ 0.01% + 3mV, Load stability ≤ 0.01% + 5mV, Recovery time ≤100us, Temperature coefficient ≤300PPM/°C- Constant current state: Current stability ≤ 0.2% + 3mA, Load stability ≤ 0.2% + 3mA### 🧾 Packaging includes✅ 1x Power Supply✅ 1x Power Cord✅ 2x Output Load Cord✅ 1x User's Manual✅ 1x Warranty Card# ℹ️ About SPS-C Series### 📟 High Precision, Low Ripple, Large LED Display & Output Switch ControlNICE-POWER SPS-C series DC power supply supports 30V / 60V /120V with 3A /5A /10A options.Professional regulated bench power supply, high precision up to 0.01V and 0.001A, low ripple output.Backlit 4-digit LED screen with high resolution, clear reading even in dim environments.Preset voltage & current first, then enable output via dedicated output switch. Safer and energy-saving.---### 🛡️ CE & FCC Certified | Multi-layer Safety Protection | Wide ApplicationThis lab power supply is CE & FCC certified.Built-in multiple safety protections: Overvoltage, Overcurrent, Overheat, Overpower, Short-circuit & Leakage protection.Great for LiFePO4 battery charging, Arduino projects, laboratory & school use, electronics repair, electrolysis, electroplating, lamp testing, aging test, DIY projects and more.---### 🎛️ Front Power Switch | Stable Vertical Design | Lightweight & PortablePower switch placed on front panel for easy operation.Stable vertical structure with anti-slip shock-absorbing rubber feet on the bottom, keeps the unit steady during operation.Compact size: 3.3 × 9.4 × 6.1 inches, weight only 2.6 lbs. Easy to carry to your workplace.---### 🔌 5V/2A USB Port | Intelligent Cooling Fan | Premium Build MaterialComes with built-in 5V/2A USB port for charging mobile phones, tablets and other USB gadgets.Smart temperature-controlled fan: automatically activates when temperature exceeds 50℃ (122℉).Efficient heat dissipation, lower operating noise and extend device service life.Adopted high-quality raw materials for longer durability.---### 📦 Quality Check & After-sales ServicePackage Contents:✅ 1 × DC Power Supply✅ 1 × Output Power Cord✅ 1 × Input Power Cord✅ 1 × User ManualAll power supplies and accessories are fully inspected before shipment to guarantee product quality.We offer a 12-month warranty.If you have any questions, please contact us anytime, we will reply within 24 hours.