Translations:Lead acid battery/2/en

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Lead acid batteries rely on reversible chemical reactions between lead and acid to provide energy when it is needed and to store energy when it is being produced. They have been around for over 150 years and have proven their durability, low-cost, recyclability, and performance under variable conditions to the point that nearly every automobile on the planet relies on a lead acid battery to start and run. Lead acid batteries have been the preferred form of energy storage for off-grid PV systems since they first began being built for the same reasons, thus most off-grid PV components are built for use with lead acid batteries in 12 V, 24 V or 48 V configurations. Lead acid batteries have the added advantage of coming in a variety of voltages (2 V, 6 V, 8 V, 12 V) and amp-hour ratings (5 Ah to 5000+ Ah). But due to their high density of lead, these batteries are extremely heavy. A 12 V, 225 Ah flooded lead acid battery weighs around 60 kg, which is approaching the upper-limit of what is easily movable without equipment.

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