Miserly enough to conserve battery life to a maximum degree.
十分省电，可以最大限度地延长电池寿命。
The battery should be kept away from fire, water; it should be used in a dry, ventilate room to maximum long life.
请将蓄电池远离火，水等危险物品，蓄电池必须存放在干燥通风的环境下。
The battery should be kept away from fire, water; it should be used in a dry, ventilate room to maximum long life.
请将蓄电池远离火，水等危险物品，蓄电池必须存放在干燥通风的环境下。
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