1. CNC DC buck-boost power supply, supports constant voltage and constant current2. Large screen display, supports full viewing angle3. Built-in intelligent temperature control fan, automatic start and stop. (It automatically start when the temperature is 50 or the current is 1A)4. Compatible with for 18-21V lithium batteries, with a range of applications and easy to carry (batteries are not included in the shipping list)Version:80WProtection mechanism:1. Input protection against reverse connection2. Output protection against backflow3. Input undervoltage protection: 4.7-30V adjustable4. Output overvoltage protection: 0-37V adjustable5. Output overpower protection: 0-82W adjustable6. Overtemperature protection7. Expiration protection: 0-100H adjustable8. Overcapacity protection: 0-9999AH adjustable9. Overenergy protection: 0-9999WH adjustableParameters:Input voltage: 6.0-36VOutput voltage: 0.6-36VOutput current: 0-5.0AVoltage accuracy: 0.5%Output power: 80WCurrent accuracy: 0.5%Voltage resolution: 0.01VCurrent resolution: 0.001AConversion efficiency: about 88%Soft start: YesNote:Lithium battery is not included in the delivery list.Colour:BlackMaterial:ABSPackage Contents:1 x PPS100 35W CNC adjustable power supply1 x test clipsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.