用恒电流方法探讨铬液流电解质初次充电过程中的电流效率，实验结果表明电流效率偏低。
Invariable current charge method discussed current efficiency during the first charge process, experiment result indicated that current efficiency was low.
系统初次使用前，应在强光下充电10小时后再使用，目的是延长蓄电池使用寿命。
In order to extend the battery life, the system should be in charge for 10 hours for the first time under heavy.
注意事项：初次使用时请充电4小时以上。
Attentions: Please charge it over 4 hours at the first time to use.
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