4v battery charger SLA & LED driver From 220V AC
- Small Size Easy to fit
- Works directly from 220V AC
- Good build quality
- low-cost product
- It can be used as the LED driver for general 3.2 to 3.8V Volt LED parallel connections up to 50 LEDs
Note:- For safety Don’t Touch The circuit when it running condition. it runs 220V AC

Li-Ion 18650 Rechargeable Battery 1200MAH
4000mAh Li-Ion Battery 21700 3C Grade Original Capacity
Solar Charging Controller Board
Solder Paste Or Soldering Flux Good Quality
Nickel Strip 5M 0.12x5mmx5m Pure Nickel










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