... manufacturer 8 years experience 1 year warranty 1,cellphone charger Application:1.1 Clear, no nick, no distortion ... resistance, the frequency is AC 1KHZ.4. portable charger Electronic performanceNo.ContentStandardTest condidtionTest method1Input volatge5.2±0.5V ... 3 times at 0.2C,one of them , the dischar time ≥570min5. mobile phone charger Mechanism performance testContentTest conditionJudge ...