... : 90W 19V 4.74A 7.4*5.0 dc connector universal universal laptop ac adapter AC input voltage rangeOutput voltageOutput currentRated output ... low standby power consumption, heat a small, high stability,Short circuit protection. overheat protection. all by the 100% full load burn ... solder ,lack of components, no tin dross, no short-circuit, no open circuit, no bad led indicator ,no high voltage, no low ...