Translations:Lead acid battery/9/en
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- They require monthly maintenance as the batteries will lose water as they charge and discharge. Durable, long cycle life and cheap only if properly maintained. If maintenance is not performed regularly, the batteries will rapidly fail, and replacement will cost significantly if maintenance-free batteries had been used initially.
- Release significant amounts of hydrogen gas.
- Have a liquid electrolyte solution inside that requires that they remain upright.
- Can undergo an equalization charge which can help to prolong their cycle life by reducing sulfation.