CALB L148N50B

最大脉冲放电电流(短脉冲) Maximum Pulse Discharging Current(Short Pulse) 400A 电池温度低于50°C,且最长放电时间为10s When battery temperature is below 50°C, the maximum discharge can last 10s

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~97% 7 工作温度 Operating Temperature 充电温度 Charging Temperature -20~55°C 参考第 4.2 节 Refer to section 4.2 放电温度 Discharging Temperature -30~55°C 参考第 4.3 节 Refer to section 4.3 8 电池重量 Weight 865±20g 9 壳体材料 Shell

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0~55°C 参考第 4.2 节 Refer to section 4.2 放电温度 Discharging Temperature -30~55°C 参考第 4.3 节 Refer to section 4.3 8 电池重量 Weight 865±20g 9 壳体材料 Shell Material 铝合金 Aluminium alloy 4.2 充电模式 Charging Model 序号 NO. 参数

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Internal Resistance(Ac.1kHz) 0.60~0.80mΩ 新电池、50%SOC Fresh Cell、50%SOC

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8 电池重量 Weight 865±20g

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Cycle Life ≥2000 次 ≥2000 cycles a)室温下,以 50A 恒流持续充电至单体电池电压 4.25V, 然后在4.25V 下恒压持续充电直至电流下限 ≤2.5±0.5A At room temperature, charged to 4.25V at a constant current of 50A, and then, changed continuously with constant voltage of 4.25V until the cu rrent was not more than 2.5±0.5A. b)室温下,以 50A 恒流放电至终止电压 2.75V; Discharged at 50A to the cut-off voltage 2.75V at room temperature; c) 重复a)~b), 至容量衰减为额定容量的 80%止, 所完成的循环次数定义为该电池的循环寿命。 Repeating steps of a) ~ b), until the discharge capacity reached the 80% of rated capacity, the number of cycles completed was defined as the battery cycle life.4.7 安全性能 Safety Characteristics 序号 NO. 项目 Items 技术要求 Technical Requirements 测试方法及步骤 Test Methods & Steps

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