Is sealed lead acid battery designed for indoor use?
Is there any difference between the lead acid battery and sealed lead acid battery?
The base difference is construction. The chemistry is similar between the two. A sealed lead acid (SLA for short) is just that, sealed. Many times (if not always) it uses a viscous gel to make sure it doesn’t leak.
A conventional lead acid, such as a car battery, has caps to replace water. It is serviceable, and lasts a bit longer because of it. It can also handle more current since it doesn’t have to worry about hydrogen being generated by it. Water is lost due to evaporation or electrolysis.
When a battery is being charged, or if it is providing a lot of current, some hydrogen will be generated. It is one of the hazards with car batteries, especially when jumping from another battery. If a spark ignites the hydrogen it can be pretty dangerous, not to mention messy.
Car batteries have lots of current, and are decent overall, but they have a serious drawback. Draw more than half their stored power and you start damaging the battery. Marine batteries are designed to take this, and will work better for things like UPS’s, but are much more expensive. A SLA is designed for indoor use, and has less power overall per weight, but won’t burn holes in your carpet from acid.
If this is outside I would suggest a car battery, with the understanding you can’t abuse them much (run them dead and expect them to keep working). If it is indoors you really don’t have a choice, SLA it is.
Car batteries have lots of current, and are decent overall, but they have a serious drawback. Draw more than half their stored power and you start damaging the battery. Marine batteries are designed to take this, and will work better for things like UPS’s, but are much more expensive. A sealed lead acid battery is designed for indoor use, and has less power overall per weight, but won’t burn holes in your carpet from acid.
If this is outside I would suggest a car battery, with the understanding you can’t abuse them much (run them dead and expect them to keep working). If it is indoors you really don’t have a choice, SLA it is.
Source: www.leoch.com
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