What Kind of Battery Can Have Water Added?

[DanielRose]

Here is the relevant information: 1. Maintenance-free batteries: Many batteries today are maintenance-free, meaning they do not require water addition. If such batteries experience a decline in range, it is usually due to battery aging. For these types of batteries, the only option is replacement; they cannot be repaired by adding water. 2. Effects of adding water: Next, let’s look at the effects after adding water. Generally, for electric vehicle batteries, adding water can restore about 60% of the battery’s performance if it hasn’t bulged from overcharging, but this state can only last for a few months or even weeks. It fundamentally cannot solve the problem of reduced battery range. Additionally, it’s important to note that if the amount of water added is not precise, it can directly damage the battery, leading to its complete failure. Furthermore, it’s worth mentioning that if the battery has already bulged from overcharging, adding water will have no effect at all. Therefore, for bulged batteries, adding water cannot repair them, and replacement is the only option.