8.2.1 Charging of vented batteries at constant current The battery shall be charged: – at a constant current of 2 In (see 7.1.2), until voltage stabilisation is established when three consecutive voltage or specific density measurements, corrected for the battery temperature, taken at 15 min intervals, remain constant. 8.2.2 Charging of vented batteries at constant voltage and constant current (two step method) The battery shall be charged: – at a constant voltage of U Volt for 20 h with the maximum current limited to 5 In (see 7.1.2) where U is related to the battery water loss level (as for cycling tests): Normal water loss U = 14,80 V ± 0,10 V Low water loss U = 15,20 V ± 0,10 V Very low water loss U = 16,00 V ± 0,10 V – then with a constant current charge of In for 4 h. In the case of recharging after a test for cranking performance (according to 9.3) the charging time at constant voltage may be limited to 10 h. NOTE If neither complete knowledge of the battery construction nor a specification from the manufacturer is available, then charging according to the present subclause (8.2.2) with U = 14,8V is recommended.
8.2.1充电以恒电流排出电池的<br>电池应充电:<br>-在2在(见7.1.2)的恒定电流,直到电压稳定在建立时三个连续的电压或特定密度测量,对于电池温度校正在15周分钟的间隔取出,保持恒定。<br>在恒定电压和恒定电流(两步法)排出电池的充电8.2.2 <br>:电池应当被充电<br>在t 4伏的用于与所述最大电流20 h的恒定电压限制为5。在(见7.1.2) - <br>,其中U被与电池失水水平(作为循环试验):<br>正常失水U = 14,80 V±0,10 V <br>低失水U = 15,20 V±0,10 V<br>非常低的水损失U = 16,00 V±0,10 V <br>-然后用恒定电流充电在4小时。<br>在恒定电压下起动性能(根据9.3)测试之后再充电的充电时间的情况下,可以被限制为10小时。<br>注意如果电池构造也不从制造商的规范的既不完整的知识可用,则根据本第(8.2.2)配有U = 14,8V充电推荐。
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