1. CNC DC buck-boost power supply, supports constant voltage and constant current 2. Large screen display, supports full viewing angle 3. Built-in intelligent temperature control fan, automatic start and stop. (It will automatically start when the temperature is greater than 50 or the current is greater than 1A) 4. Compatible with for Makita 18-21V lithium batteries, with a wider range of applications and easy to carry (batteries are not included in the shipping list) Version:80W Protection mechanism: 1. Input protection against reverse connection 2. Output protection against backflow 3. Input undervoltage protection: 4.7-30V adjustable 4. Output overvoltage protection: 0-37V adjustable 5. Output overpower protection: 0-82W adjustable 6. Overtemperature protection 7. Expiration protection: 0-100H adjustable 8. Overcapacity protection: 0-9999AH adjustable 9. Overenergy protection: 0-9999WH adjustable Parameters: Input voltage: 6.0-36V Output voltage: 0.6-36V Output current: 0-5.0A Voltage accuracy: 0.5% Output power: 80W Current accuracy: 0.5% Voltage resolution: 0.01V Current resolution: 0.001A Conversion efficiency: about 88% Soft start: Yes Note:Lithium battery is not included in the delivery list. Colour:Black Material:ABS Package Contents: 1 x PPS100 35W CNC adjustable power supply 1 x test clips Only 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.