Review/Test Nanjg 110 Boost 1/2*AA Circuit board




Driver is from Intl-outdoor.com

Official specifications:

• Suitable for 1 or 2*AA batteries, 1*CR123A(3V) or 1*LiFePo4
• Working voltage: 0.9-3.7V
• Output current: 450-500 (1AA), 950mA (2AA - Constant current)
• ­Single mode
• This driver does not use PWM
• PCB diameter: 17mm
• PCB thickness: 1.2mm
• Total height: 5.95mm
• Gold plated contacts
• No reverse polarity protection
• Copper leads with tinned ends included

Measurements

Tested with: Cree XP-G2
Diameter: 17mm
Maximum height: 5.8mm
The driver is single mode.













Conclusion

The driver is regulated between 1.8 volt and 3.3 volt, above it goes into direct drive.
The switcher is working at a very high frequency and there will not be any pwm in the light.



Notes

How do I test a led driver
List of all tested drivers