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Contact Supplierwe are offering 9w solar battery charger, led driver.
5 to 9 led solar
street light module
features:
low cost microcontroller based single pcb solutions for 5-led to 9-led solar street light
supports 5 to 9 led of 1w in series
w i t h o u t c h a n g i n g a n y h a r d w a r e
configuration
more than 85% efficiency when driving
led from battery
no load current (when led is off) is less than 2ma
dusk to down operation which makes this unit completely autonomous
proprietary charging algorithm to optimally charge battery to maximize solar power utilization
battery charging curve and temperature controlled charging to increase the battery life
supports solar panel up to 50w
support 12v battery up to 42ah
board size is 75mm x 35mm x 30mm
protections:
reverse battery protection
output over voltage protection.open
circuit output voltage is limited to 32.6v
over current protection
short circuit protection