HW 357 Adjustable Step Up Module 3.7V to 9V 5V 2A for 18650 Lithium Battery Charging and Discharge Module

Specification:

• Input Voltage: 3.7V nominal
• Output Voltage: adjustable 5V to 9V
• Current Output: up to 2A
• Module Type: step-up boost converter
• Compatibility: 18650 Li-ion batteries
• Protection: overcurrent and thermal protection
• Control: adjustable potentiometer
• Size: compact PCB
• Efficiency: high conversion efficiency
• Mounting: PCB or enclosure integration

Description:
This HW 357 Adjustable Step-Up Module efficiently converts 3.7V to adjustable voltages between 5V and 9V at up to 2A output. Designed for 18650 lithium battery charging and discharging projects, it offers safe, reliable performance. Compact design and ASCII-compatible controls make it ideal for DIY power projects.