NICE-POWER Variable DC Power Supply 30V 5A Adjustable Regulated Bench Top Power Supply SPS-W305D

【4-digit Display and Power Calculation】: The bench top power supply features a large, bright 4-digit LCD display that shows the unit's real-time output V/A/W measurements. The display resolution is up to 0.01V, 0.001A and 0.1W. You can also adjust the brightness of the screen by turning the center knob when the output is off, making it easier to see even in dark places. 【Multiple protection, intelligent cooling fan, reliable and safe】: The DC power supply has built-in over voltage protection, over current protection, overheating protection, and termination protection. When the operating temperature of the DC power supply exceeds 122 ° F/50 ° C, the fan will intelligently turn on, effectively dissipate heat, and extend the lifespan of the equipment. There are shock-absorbing rubber foot pads at the bottom of the DC power supply, making it safer and more stable to use. 【Warm tips for battery charging】: Please connect the positive and negative terminals of the DC power supply correspondingly with the positive and negative terminals of the battery; when the charging current is ≤50mA, please disconnect the battery in time to avoid overcharging; please set the current and voltage of the DC power supply correctly according to the battery parameters. Instructions for use: (Please note: When the DC power supply temperature is too high, please stop using it and wait for it to cool down before using it to prevent irreversible damage to the DC power supply.) 【Power Supply Size】: SPS-W305D measures only 9.9(D)x3.3(W)x6.6(H) inches and weighs about 2.8 pounds, which can greatly save valuable space on your workbench. Ideal for labs, educational settings, factory production testing, maintenance and repair, battery charging, anodizing, electronic DIY, and more. 【What you get and customer service】: 1 x Device, 1 x Power Cord*, 1 x Output Power Cord, 1 x Input Power Cord, 1 x Instruction Manual (with contact information). We provide professional technical support. If you have any problems or questions about your order, please feel free to contact customer service via Walmart or email.