Know the Batteries & Myths of Trolling Motor Batteries

What is a battery?

Batteries are devices capable of storing energy and supplying it to be recharged several times during its lifetime. (This is called normally stack the device capable of storing energy for later delivery, when not rechargeable). The concept battery normally handle can be defined as “device consisting of several cells capable of storing electrical energy for later use,” as the term is applicable to any set of accumulator or several accumulators electricity

What a battery composed?

Basically, the batteries are composed of cells, which in turn consist of two electrodes (an anode and a cathode) made of different metals and immersed in a (acid or alkaline) electrolyte solution allow chemical reactions released or stored the Energy. Each of these cells, in their different compositions have a capacity and joining multiple cells different battery capacities are achieved.

Are all the same batteries?

Not at all, we can find many types of batteries, and although they all have the basic function storing electricity for supply when needed, due to their different compositions and internal configurations we can find batteries much more appropriate than others depending on uses. It is important to know which battery is suitable for user’s going to give, because otherwise we can waste the particular characteristics of the product or deplete the life of our battery in a few days by improper use, remember that even outside batteries are similar or even share general specifications such as voltage and amperage, will not give the expected result if you do not choose the right type of battery.

VRLA, what is that?

Lead-acid batteries with valve regulated VRLA (Valve Regulated Lead Acid) battery Lead-acid Regulating Valve (VRLA) is a backup battery used in laptops, SAIS (uninterruptible power supplies), automation equipment factory , small lighting devices, alarm systems, electric carts, rechargeable vehicles, etc …

The point is that all battery during normal operation generates gasification, and if this is abundant pressure arises inside therefore is not adequate to fully seal a battery and therefore, VRLA lead a rubber plugs which seal each cell. These plugs in case of excessive gasification, will open releasing the internal pressure. That is, the caps for safety, possible regulate gas output. Because of this the AGM, carrying these sealing plugs, also called battery Valvo Regulated (Valve Regulated Lead Acid or VRLA). With the AGM, we can get all the advantages of GEL without any of its disadvantages.

This type of battery is so widespread because the battery AGM VRLA provides high performance, making the value is very good. In addition to this, the sealed construction eliminates the need to fill the battery with water, which makes them suitable for many applications where other batteries could be a problem.

What is the internal resistance of a battery?

Part (or most) of energy loss when loading or unloading the batteries are due to its internal resistance. This energy loss actually dissipates and turns into heat, which explains why batteries heat up when being charged. A lower internal resistance … much better, the battery can be considered more efficient.

Trolling Motor Batteries acid is dangerous because it burns the skin

In marine environments, if sulfuric acid (battery electrolyte) is mixed with sea water, even in small amounts, a chemical reaction occurs with chlorine ions sea salt, resulting in a gas whose inhalation is deadly! trolling motor batteries should be installed in isolated booths and well ventilated areas (which is not true in the vast majority of existing boats) Not long ago could navigate a new sailboat (over 30 million old pesetas) that bringing damaged the battery, alternator load produced an awful lot of irritating gases, making it impractical inside the boat. Totally unacceptable.

Bring the trolling motor fully charged battery

The important thing is the power generated by the motor alternator and especially if the current generated is used to charge the batteries. If we take the low motor turns and we are also consuming a lot of electricity on board, your batteries may not be charging anything.

Any battery is completely secure and cannot explode

When charging any battery acid / lead, usually hydrogen and oxygen is apparent. For this reason the battery compartment must have separate ventilation should be installed in a totally isolated area of the ship cabins (as NO case with almost all the ships we know).

Gas evolution is small and not enough to cause a major conflagration, but being filled with sulfuric acid the explosion could be very dangerous especially for eyes. Every year thousands of people suffer injuries and burns of varying degrees by this fact.

It is best to ventilate a good time inside the boat, if this takes time without being used or just charge the batteries in port before putting the battery contacts or attempt to start the trolling motor. It may due to the load; the battery cells have a high concentration of hydrogen. (Above 4.1%). If in addition the electrolyte fluid is low, part of the plates are exposed and thus contact the gas. An electrical bridge low resistance between the upper ends of the plates is created. This current flow can create a spark in one of the cells that inflames the highly flammable hydrogen. The casing of the battery will start spreading all sulfuric acid.

Connecting a battery with reversed polarity will produce a brutal warming of this, and possibly the end result is a perfect explosion.

Unused battery is kept charged with good

Depending on the type of battery self-discharge can be of the order of 1% to 15% per month (if the battery is already much damaged) High temperatures favor this annoying electrochemical effect. For example at 30 degrees temperature, self-discharge will double that to 24 ° C. With new technologies lead / calcium has managed to greatly reduce the self-discharge and can perfectly hold all winter without any charge.

A battery ‘Maintenance’ never needs to be maintained

If found in tropical or equatorial areas, the heat can destroy the battery. With these climates it is preferable to use non-sealed batteries and periodically check electrolyte levels, to fill it with distilled water if necessary.

Test the alternator by disconnecting the battery with the trolling motor running

It is outrageous, because the battery acts as a filter and voltage stabilizer in the electrical circuit of the boat. It can damage the expensive electronics on board; due to high voltage spikes that sometimes gives the alternator. If you want to know if the alternator generates current never remove any battery terminal to check its operation. Simply use a voltmeter and change the speed of the trolling motor while measuring the output voltage.

Chargers electronic pulse can relive a sulfated battery

The use of these modern chargers not guarantees anything. The most skilled technician’s battery recognizes that there is no conclusive evidence that these expensive and advanced charging systems work better and cheaper than traditional whole life, operating with constant tension. Nor is there clear evidence in favor of certain additives that supposedly fix the sulfated battery to be added to the electrolyte. The improvement may be temporary, but long-term positive effects.

With very cold days, we can give light to heat the battery before starting the trolling motor

It is true that if ‘milked’ of the battery, the internal current heat the electrolyte and thus improve its ability to deliver the chemical energy stored. But the bottom line is negative, as to heat so we had to use a portion of their own energy. What if a lot of sense is to warm the batteries by any other method, for example with hot water bottles. For extremely cold climates it is better to use other battery technologies such as nickel-cadmium battery.

The batteries last longer in temperate climates

In warm climates, and on average, the batteries will last 70% of what they will do in colder climates. Heat is an enemy for batteries, particularly for sealed and labeled as ‘without maintenance’

Deep cycle batteries have effect ‘memory’

No lead acid battery has this problem occurs only with NiCd batteries. For this reason appeared on the market batteries Nickel / Metal Hydride, no longer need to be discharged thoroughly to recover the maximum storage capacity. More if you download the battery of your boat thoroughly just spoil an important part of its storage capacity. Do this several times in a row, and will have to throw them away safely. (Use a clean point, they are highly polluting and is a total savagery and environmental crime tear them without further dustbin).

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