| 楼宇对讲、消防报警用免维护蓄电池12V4AH：长*宽*高（MM）：90*70*105电池带电出厂,无须加液充电即可使用；无记忆,无须放完电再充电,适于电路设计；采用高档隔板,吸附力强,电池内无流动液体(贫液),不漏酸液,电池可随意倒置及符合环境要求,便于使用；采用铅钙合金,电池自放电极低,易于存储,少于维护；采用ABS工程塑料外壳,及阀控技术,便于安全使用。12v4ah maintenance free storage battery is used for building talkback, fire-fighting alarm.Long*wide*high (MM)：90*70*105The battery is full of electricity when got out of factory, so they can be used directly and you don’t need to pour liquid and charge. No memory, no need to discharge off the electricity and then recharge, it is fit for circuit design.The battery use top grade Separator, strong absorbability, and there is no flowing liquid(barren liquor) in them, they don’t leak acid and can be convert optionally, further, they are according with environmental requirements, so they are comfortable to use.The battery Use lead calcium alloy, low discharge, easy to storage, less maintenance;The battery use ABS engineering plastic container and valve-regulated technology, for that, it is convenient for use safe. |
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