I'm searching for a mobile printing solution. I have got an iPad with a filemaker database. This solution should be installed in car. The ipad is used for Data entry, but i cannot find the right printer - for DIN A4 prints. Many printers work with AirPrint or eprint. I don't want this, because i need a wlan connection. recently i've seen a portable battery-powered POS printer with bluetooth for iOS. A further requirement is that the printer should work with a battery.
A normal battery USB printer would also work, but as far as i know the ipad can't print via USB.
Does anyone know a mobile printer for this purpose?