Hi, I'm looking to produce a sign with a digital display to show the number of days since the last accident on site. The company supplying the digital display tell me it will only draw less than 1Amp of power and requires a 12Volt DC supply.
The customer has asked if it can be solar powered?
Is this something you may be able to help with?
The sign will be post mounted (probably 76mm diameter) so the solar panel could be post mounted above it and may need a mounting bracket.
By Mike on Jan 20, 2015
This is doable but will be using 12 watts per hour it is on (1Amp x 12v). If it is running 24hrs a day 7days a week then that is a lot of power. It will be 288 watts a day.
To power it in winter will need a 150watt panel and in summer minimum 50 watt panel and to have 7 days back up would recommend a 3 x 104 ah batteries.