不需要维护的电池是特殊类型的电池，与标准电池相比，它们没有用于添加蒸馏水的电池开口。电解质由电池酸和水包埋在凝胶中组成。安装此类电池时，叉车必须配备特殊的放电指示器。充电设备也必须与此类型的电池兼容。

• •没有危险气体排放到外部

Batteries which do not require maintenance are special battery types, which - compared to standard batteries - have no cell openings for adding distilled water. The electrolyte consisting of battery acid and water in embedded in a gel. The forklift trucks must be equipped with special discharge indicators when such batteries are installed. Also the charging equipment has to be compatible with this type of battery.

• • no dangerous gases are emitted to the outside