... model:JY-L4S30 Features: with constant pressure, constant flow, over-voltage, over-current protection work function; Indicator light conversion ... 5%); When the idle light greenCharge voltage range: constant current phase voltage random, but no higher than 16. ... instructions, light red lightOutput current: 3 A (plus or minus 5%); Constant pressure charge, current decreaseConvert current: 250 MA; Full ...