The Correct Charging Method For Lead-Acid Batteries

The most damaging thing to lead-acid batteries is to charge them only after they are completely drained. This will significantly reduce the battery's lifespan.

1.  Lead-acid batteries need to be charged when the remaining power indicator shows one-third of the battery's capacity left. 

2.  The charging environment should be kept dry and clean. Do not wrap the charger in plastic bags or paper boxes, as it is very likely to burn out when it cannot breathe and dissipate heat.

3. When charging lead-acid batteries, it is best not to use fast charging. If not necessary, do not use fast charging more than twice within a month. 

4. Lead-acid battery chargers should be placed in a fixed location and avoid being knocked or bumped. Even when carried, the possibility of malfunction caused by transportation jolts should be fully considered. 

5. Charge with the original standard charger. The most ideal time to charge is when the lead-acid battery has consumed 60% to 80% of its power.

7. To prevent overcharging, stop charging when the charger indicates that the battery is fully charged. Do not leave the battery charging overnight or for several days after it is fully charged. Overcharging can cause the active material on the plates to harden and fall off, and lead to water loss and battery deformation. When lead-acid batteries are in operation during hot seasons, there must be no problem of overcharging. 

8. It is necessary to pay attention to the charging environment of lead-acid batteries. The charger should be kept well-ventilated; otherwise, it will affect the lifespan of the lead-acid battery charger and may also influence the charging status.

Summary: For the charging equipment of lead-acid batteries in general electric vehicles, when the battery is completely depleted, the charging time usually takes around 8 to 10 hours. It should not exceed 12 hours. Exceeding this duration may affect the battery's lifespan. It is not advisable to fully discharge the battery each time it is used. It is recommended to charge the electric vehicle when the battery level is around 70%, and the charging time is generally around 6 to 8 hours. 

If the cycling distance is relatively long, multiple chargers can be used. During the day, a supplementary charger can be used, and at night, the original charger should be used. Charging every day will keep the battery in a cycling state, which will extend the battery's lifespan. The memory effect of lead-acid batteries is not as strong, and frequent discharging will have a significant impact on the battery's lifespan.