Hello Bob
The only info I can give you is, it is a regulator distributed by JP Perkins bought at one of the on line model shops. All the info on it is: LIPO Regulator input voltage - 5509889 6.0v version 7 - 25 volts@5amps and Output voltage 6.0vand amperage at - 5amp.
These are sold at a lot of the shops and when you get them there are no instructions, so the best I can do is as follows, I have only done a test with no load:
Etronix Li-Po Regulator 5A 6V Hard Cased
This great little unit allows the use of any battery from 7 to 15 volts to run your Receiver or ignition.
Works with all battery chemistries ie LiPo, Li-Fe, Lion
Input Voltage - 7.0v to 15v
Output Regulated Voltage - 6.0v
Output Amps - 5A
Weight - 20g
Size - 20x14x49mm