This linear module has constant voltage and constant current function (CC CV). and it has a good performance.
When you use it as a charger. this module use good chip as core and it is stable. also its ripple is low to 50mV.

Specifications:

• Size: 51 * 26.3 * 14 (L * W * H) (mm)
  
• Operating Temperature: -40 ° to +85 °
  
• Voltage Regulation: ± 2.5%
  
• Load Regulation: ± 0.5%
  
• Output ripple: 50mV (max) 20M bandwidth
  
• Switching frequency: 300KHz
  
• Conversion efficiency: 95% (the highest)
  
• Output current: adjustable maximum 5A
  
• Output voltage: 0.8V-30V
  
• Input voltage: 5V-32V
  
• Rectification: non-synchronous rectification
  
• Module Properties: non-isolated constant current and voltage module.
  

Advantage:

• CC CV
  
• Low ripple
  
• When the module charges a battery, it first use constant current to protect the battery. check the curse above.