This is from chinasolarregulator.com "Solar30 30A Solar Charge Controller 12V 24V auto switch Lighting Controller
Pacakge Included:
1. 1pcs 30A solar Controller
2. 1pcs user manual
3. 1pcs temp senor
Ideal for
For 12V PV system: 24V for Max input,400W Solar Panel.
For 24V PV system :48V for Max input,800W Solar Panel"
This company claims to be the manufactuer.
One of the reasons i went with the bogart system is that it will handle 540 watts clips amps at 31 amps (you get a bonus amp) and can handle up to 60 amps (as long as air temp can be held below 120-130 F) seems to me an "honest" charge controller.
