Flashgun requires 240 volts input. Mains lead plugs direct into wall socket (requires shaver-type 2-pin adaptor).
Vintage Gino Compact III Flash (Untested) -
Dixons Jupiter Electronic Flash Unit and Power Pack and Instruction Manual
Prinz Jupiter 177 Flash Gun Ideal for Olympus Trip 35 RD, RC, SP Tested Working
Prinz Jupiter 277C Flash Olympus Trip 35 RD, RC, SP etc. refm
Prinz Jupiter 377 Flash Ideal for Pentax K1000 etc. refm