因为deep cycle battery 在充电时蒸发很厉害.
你要买个hydrometer. auto parts stores就有.放进去看浮力大小, 有刻度.
如果液面低了, 去walmart买distilled water 加进去(千万不能加自来水或瓶装饮用水!! 一放就死了).
因为deep cycle battery 在充电时蒸发很厉害.
你要买个hydrometer. auto parts stores就有.放进去看浮力大小, 有刻度.
如果液面低了, 去walmart买distilled water 加进去(千万不能加自来水或瓶装饮用水!! 一放就死了).
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