I have a board with 3 dc 12v 20w led. I need somebody to fix battery/accu issue. I need to have small battery to give the leds power to give them light for 6-8 hours.
The accu/battery need to be small not higher then 2cm
15 freelancer đang chào giá trung bình $136 cho công việc này
I'm willing to do the calculations to help you choose the battery that will give you 6 to 8 hours of burn time based on 20W of LED lighting. This bid is for design advice only.