Make Your Own High Power Led Emergency Light with battery overcharge and deep discharge protection.
Make your own Led Emergency Light At Home
This is a very simple but high power led emergency light that runs on 4V, 4.5A rechargeable Lead-acid battery.
You will need:
W04 or 4 diodes connected as bridge rectifier
Resistor R1 - 1K (1/4w)
LED1 (Red colour to indicate power)
LED2 (4V 5W or 10W)
Step-down transformer - 9V,500mA
Connect the components as shown in the connection diagram. The charger board prevents overcharging and indicates deep discharge of the lead acid battery.
Contact me to buy the kit.
Kit includes: 4v,4.5Ah battery + 10W LED with heat sink + Charger board.
Price Rs.700 +Rs.100 delivery charge