XL4015 Adjustable Current and Adjustable Voltage DC-DC Step Down Power Supply Module (5 A)

Specifications

• Voltage input: 4 - 38 V
• Voltage output: 1.25 - 36 V
• Maximum current: 5 A with additional cooling
• Output power: 2.5 A, 30 W without heatsink, over 3 A, 35 W with heatsink
• Maximum output power: 75 W
• Working temperature: -40 ~ +85 oC
• Maximum efficiency: 96%
• Shot circuit protection (limited current 8 A), over temperature protection
• Low ripple
• Dimensions: 61.7 x 26.2 x 15 mm
• Weight: 25 g

This power supply can be used to charge lithium battery, because it doesn't have constant current.