Is a maintenance-free battery better than water battery?

Free maintenance and water battery are lead-acid batteries and water batteries (for starting). The so-called free maintenance is consumed in the process of using water (lead alloy features). Some small businesses also headed for free maintenance, some are so irresponsible that tends to cause the user's illusion, and use the battery full of free maintenance without adding water on the market. The second water battery can use for 4 years. To be honest, start battery is mostly water battery (rich fluid cell). Regardless of the battery, make sure to check and see if it is lack of water. If it lack of water, just add distilled water. I don't think free maintenance is not maintained. It might be less maintenance, and try to buy the brand goods.

The key is the battery is there can flow of water, this leakage when placed tilt or side leakage, the biggest difference. In fact, the performance also has a lot of tiny difference, such as bottles of water and electricity in a short period of time than dry battery power supply ability is strong. Bottles of water and electricity: the advantages of the instantaneous large-current discharge capability are strong, powerful, load ability. The disadvantage of bottle of water and electricity: battery life is poor, deep discharge ability is poor, poor deep cycle life. Dry battery, the valve control type sealed and maintenance-free battery, the advantage is: do not need to maintain in the normal use, deep discharge ability strong, life is strong, long cycle life. Defect is: instantaneous large current discharge ability is poor, should not be high power discharge, have a risk of thermal runaway.

Bottles of water and electricity: the advantages of the instantaneous large-current discharge capability is strong, powerful, load ability.

The disadvantage of bottle of water and electricity: battery life is poor, deep discharge ability is poor, poor deep cycle life.

Dry battery, the valve control type sealed and maintenance-free battery, the advantage is: do not need to maintain in the normal use, deep discharge ability strong, life is strong, long cycle life. Defect is: instantaneous large current discharge ability is poor, should not be high power discharge, have a risk of thermal runaway.

Can add water storage battery if can do attendance check and refill frequently added liquid, ensure the battery without losing electricity, to around twice the length of a maintenance-free battery life, but is more troublesome.

You say dry cells is called "free maintenance battery"

Actually general lead sulfate battery of the electrochemical reaction is inseparable from the water, being sealed and maintenance-free battery or gel battery, need water to fully charge and discharge, so in fact all the lead sulfate are water battery, battery only their storage ways are different

1, the most common is the so-called water battery, the battery plate is to soak in the dilute sulphuric acid, water branch volatilization in charge and discharge process, need to add distilled water on a regular basis and remove powder deposition in the bottom of the impurities

2, sealed and maintenance-free battery, the full absorption of dilute sulphuric acid as the reaction of the plate carrier, advantage is that can also be used in reverse, the battery charge and discharge is not very strong, is not very hot, the sealing of the batteries maintain avoid moisture volatilizes, but at high temperature, the battery had ran out of water, battery in use after a period of time also need to add a small amount of distilled water, at the same time, because there is no flow inside the battery solution, so the peeling off from the pad material won't cause the battery short circuit deposit to the bottom. But these substances will always cover on the plate surface, until too many, not battery storage and discharge capacity, is not easy to clean, so others say maintenance-free battery is actually cannot maintain the battery

If you don't have a great experience to judge when to add water and clean the battery impurities, then I suggest you use sealed and maintenance-free battery, use the battery energy storage in when I was a poor

But in the life, longer water battery, current strength is better, a battery timing before I add water, filtering, using intelligent rechargeable batteries, the electric charge, has been in use for 8 years, and has been started with battery, electrical energy storage with new are not much difference.

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