When going to charge a lead acid battery, buying the correct one for the job is quite important. Just as important is how the battery is charged. It has been quoted that it is not advisable to deep cycle batteries even if it says it can be. This means that a car battery should be recharged when the battery looses its charge down to about 50-60% of its capacity and not anymore.
The tactic we then charge that battery is the next important thing. Batteries act a bit like Portable Generators. When charging the battery the bulk of the charge should be put in first and then the rest of the smaller charge put in later. The main volume of the charge also needs to be regulated when applied. If the charge rate is too high, too much heat will be produced and will cause the battery plates to buckle and distort. The heat could cause the plates to short circuit over time, causing a dead cell and ruining the battery.
Some of the latest battery chargers are alleged to compensate for temperature changes and amend the charge rate accordingly. Although the latest car charging systems are supposed to regulate and maintain your battery at optimum charge rate. When you purchase a new charger it should also feature a monitoring system built into it too. These monitoring chargers make sure that the weaker cells receive more charge than the stronger cells.
Charging batteries too quickly, runs the risk of the battery gong into thermal runaway and then exploding. That is why these more sophisticated chargers are much better, nevertheless they will be more expensive to begin with. If cost is an issue then trickle charging batteries is a safer way of keeping your batteries in a safe tip top condition.If the charger does not have a monitoring system to stop the charge when the battery is full then you will have to remember to switch the charger off yourself when the charge gets to full capacity.
The best way to keep batteries topped up for cars that are not being used that often is to use a battery conditioner. Battery conditioners monitor the flow of charge continually, making sure that the battery stays in tip top condition all year round. Conditioners should still be switched off from time to time, allowing the battery to do a discharge process. This is necessary to also keep the battery in good condition. Search for a good supplier of chargers and they may also sell good car batteries as well.
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