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losion, fire, smoke and leaking. Battery voltage should be no less than 48V.電池組外觀應無明顯損傷、漏液、冒煙或爆,電池電壓應不低于48V。4.Battery Performance Test Criterion 電池性能測試規(guī)范 Appearance 外觀There shall be no such defects such as scratch, flaw, crack, rust and leakage, which may adversely affect mercial value of battery.電池外觀應沒有劃痕、破裂、污跡、生銹、漏液等影響市場的缺陷存在。 Measurement Apparatus測量儀器(1)Dimension Measuring Instrument尺寸測量器具The dimension measurement shall be implemented by instruments with equal or more precision scale of .。(2)Voltmeter電壓表Standard class specified in the national standard or more sensitive class. The inner impedance is more than 10kΩ/V.國家標準或采用靈敏度更高的,內阻不小于10kΩ/V。(3) Ammeter電流表Standard class specified in the national standard or more sensitive class. Total external resistance including ammeter and wire is less than .國家標準或采用靈敏度更高的。(4) Impedance Meter阻抗計Impedance shall be measured by a sinusoidal alternating current method (AC 1kHz LCR meter).采用正弦交流法測試阻抗(AC 1kHz LCR meter) Testing Condition 測試條件Temperature 25177。5℃。 Relative humidity:60177。20%。 Atmosphere pressure:86~106Kpa溫度:25177。5℃;相對濕度:60177。20%;大氣壓強:86~106Kpa Battery test requirements 電池測試要求Standard charge: under environment temperature as 25177。5℃,charging as 15A when the voltage of the battery reach the limited point, then change to constant voltage charging till the charging current less or equal to .The longest charging time should be less than 40min.標準充電:在環(huán)境溫度25177。5℃下,以15A充電,電池端電壓達到充電限制電壓時,改為恒壓充電,最長充電時長不大于40min。5.Hazard Warning危險警告(1)Forbid