General service line batteries are available in maintenance free or low maintenance. Design and analysis of maintenance free lead acid battery. Pdf voltage interruption can be happened by several reasons like blackout, brownout, noise, spike etc. Okaya is the only battery manufacturer producing 100% tubular batteries for inverter and most dependable smf, solar, erickshaw batteries. Design and analysis of maintenance free lead acid battery system. Maintenance free doesnt have anything to do with charging rate or charging frequency. Type of water to use mineral content the average 6volt golf cart battery contains approximately 6. The used the used batteries in ups are usually leadacid type, and battery pack made with maintenance free sealed lead acid are made of six galvanic cells in. Pulsetech products corporation mark abelsonmark abelson 8005807554, ext. Basement watchdog maintenance free agm standby battery. Charging restores the acidity of the electrolyte so the battery can again produce an electrical. Product name sealed maintenance free leadacid batteries proper shipping name batteries, wet, filled with acid, electric storage other means of identification not available relevant identified uses of the substance or mixture and uses advised against relevant identified uses battery. An advantage of maintenancefree batteries is that the electrolyte is sealed inside the battery case and cannot leak or create fumes outside the battery. This material may be protected under and trademark laws.
Deep cycle battery maintenance and care new batteries should be given a full charge before use. Sealed leadacid sla batteries come in a range of shapes, voltages, amperages and sizes. I have noticed that with the onset of the cold weather the starter is cranking a little more slowly,leading me to believe that the battery power is down. Flooded wet cell battery systems are likely to be on a quarterly maintenance plan per ieee485. A batterys depth of discharge is the opposite of its state of charge. Always use insulated tools to avoid shorting battery terminals.
Battery case the case of the maintenancefree battery is made of polypropylene. Follow the simple battery storage check list below once a month. Maintenance free sealed battery does not need battery. For example, a battery with a 30% depth of discharge has a 70% state of charge. Job ready assessments measure technical skills at the occupational level and include items which gauge factual and theoretical knowledge. Nonadherence to the installation, operating and maintenance instructions repairs carried out with nonapproved spare parts or by nonapproved personnel unauthorized interference with the battery.
Ensure the battery top is clean, dry, free of dirt and grime. Although the inside of a maintenance free battery cannot be physically cared for, the outside certainly can. Specifications for 12 volt sealed maintenance free vrla battery getcoetsbatt 03104r0, dt. New deep cycle batteries need to be cycled several times before reaching full capacity 25100 cycles, depending on type. Should oxygen and hydrogen escape, a gradual drying out would occur, eventually affecting.
So adding distilled water periodically is necessary to keep the plates flooded. Make sure to charge any battery off of a battery charger before installing. Pdf design and analysis of maintenance free lead acid battery. Maintenance free means that the manufacturer didnt provide any means of maintaining the wateracid level in the battery, which means that if a battery boils dry you can only replace it instead of refilling it yourself with water or acid, whichever is appropriate probably water. Battery did come in fully charged as it says it should in the description. Leadacid batteries usually consume some of the distilled water during a normal chargedischarge cycle. Rechargeable and maintenance free, slas power a vast array of devices and equipment. Battery replacement criteria o failure to hold a charge, as shown by cell voltage and specificgravity measurements, is a good indicator for further investigation into the need for battery replacement o conducting a load test will show what capacity if any is left in the battery. I took the covers off the elements, expecting to be able to see the fluid levels, but couldnt see any fluid.
Vent caps should be correctly installed and tight during vehicle operation and battery charging. Maintenancefree, no water adding required sealed valveregulated, spill proof and leak proof using unilateralism exhaust safe vent valve design on the battery cover when the battery internal pressure have been up to the specifically value, the safe vent valve will open automatically, and will close after the pressure has been. And if the engine compartment is subject to extremely high temperatures, even a maintenance free battery can lose fluid. Sealed leadacid batteries sla batteries interstate. This battery is compatible with most basement watchdog systems including the basement watchdog emergency bwe. Sealed leadacid batteries sla batteries interstate all.
This technical article is essentially a guide for selecting the right monitor system capabilities required to achieve optimum backup system reliability. Flooded, wet cell, leadacid battery maintenance schedule 1 rev. An advantage of maintenance free batteries is that the electrolyte is sealed inside the battery case and cannot leak or create fumes outside the battery. The goal of this article is to help extend the life of your batteries and improve the performance and life span of your lift truck by educating forklift operators on some of the basics of electric forklift battery maintenance for an electric forklift. Maintenancefree lead acid batteries, requirements and test. En section 1 identification of the substance mixture and of the company undertaking product identifier. Flooded, wet cell, leadacid battery maintenance schedule last updated 1231 97. Alarmtec ideal products for applications in security systems and fire protection.
Find here huge listings of maintenance free battery, maintenance free batteries manufacturers, maintenance free battery suppliers and exporters. Make sure the battery is a leadacid flooded cell has vent caps on its top. Generally, sealed vrla battery systems require annual maintenance according to ieee118. A charged century battery will have a stabilised voltage above 12. The batteries of only 20 years ago required water to be added on a regular basis. Page 47 maintenance fundamentals battery warning your motorcycle has a maintenancefree type the battery gives off explosive battery.
Otherwise, freezing might occur and the battery may crack or explode. How to determine if a maintenance free car battery is bad. Sealed, maintenancefree leadacid batteries with a design life of 35 years. Motorcraft batteries cover automotive, marine, commercial, farm, industrial, and specialty applications. These guidelines are valid for maintenancefree lead acid batteries with fixed electrolyte used in alarm systems for application in stationary systems.
Sealed, maintenancefree leadacid batteries with a design. With maintenancefree batteries, outgassing is most likely to happen in areas of the country that get extremely hot in the summer, or where cars are in constant stopandgo conditions and their engine compartments get up. Battery storage and maintenance yuasa batteries inc. To produce a truly maintenancefree battery, it is necessary that gases generated during overcharge are recombined in a socalled oxygen cycle.
What does maintenance free mean on your car battery. Each cell has its own vent cap, designed to allow gases to escape and keep the electrolyte solution from spilling. A valveregulated leadacid battery vrla battery sometimes called sealed leadacid sla or maintenance free battery, is a type of leadacid battery. Are maintenancefree batteries really maintenance free.
It provides the juice to run all of your fancy electronics when the engine isnt running, and when the engine is running, it plays an essential role in the proper functioning of the alternators voltage regulator. The motorcraft battery product line complete attention to customer satisfaction and world class efficiency. Each battery cell can produce about 2 volts of power. A dirty battery can discharge across the grime on top of the battery casing. Wayne wsb1275 75ah maintenancefree battery recommended for. The most efficient way to determine the state of charge on a flooded leadacid battery with removable vent caps is to use a hydrometer. Try following these steps to ensure that the exterior of the battery is in top shape, and you can extend its life. This means that each battery in its normal life span.
I purchase this battery because it was what was recommended for my wayne combo sump pump that i bought. Using a maintenance free battery with an older noncompatible system may cause false alarms. Modern maintenancefree automotive batteries will last many years, but may need to be charged if the vehicles lights or other batteryrobbing accessories are left on after the car has been. During the normal life span of the battery, this original volume is added in water at about 2 12 times. Check voltage every 3 months or more frequently if. Modern maintenance free automotive batteries will last many years, but may need to be charged if the vehicles lights or other battery robbing accessories are left on after the car has been. When the battery is used discharged, the acid level becomes weaker until the battery cannot. There are three primary types of vrla batteries, sealed valve regulated wet cell, absorbent glass mat agm and gel cell.
Battery preventative maintenance battery and rectifier. For maintenancefree batteries, we recommend you use an. C nenn nominal capacity of a battery c s capacity after selfdischarge of 90 days c t actual capacity of a battery c 20 capacity at a discharge of 20 hours c v loss of capacity loss of charge c. Maintenance free or low maintenance designs are available in wet and dry configurations. Sealed maintenance free leadacid batteries chemwatch. Maintenance free, nonaccessible batteries are designed to eliminate the need to add water. This area should have clear signage, available water supply for eye washing, ventilation, a fire extinguisher and a phone in case of emergencies. Gel cells add silica dust to the electrolyte, forming a thick. In addition to these electric forklift battery maintenance tips, for safety purposes its also highly recommended that a facility be set up with a designated battery charging area.
Design and analysis of maintenance free lead acid battery system used in ups research pdf available august 2018 with 1,610 reads how we measure reads. These maintenance free batteries manufacturing companies are providing high quality products. It simply means that you do not need to add water to it on a regular basis. Personally, i believe the moniker maintenance free is really a misnomer in that even if a battery has no access to measure the specific gravity of each cell using a hydrometer, still the battery and its terminals must be kept clean and free. Inspect the terminals, screws, clamps and cables for breakage, damage or loose connections. The battery in my seat is apparently maintenance free.
I 10 discharge current for a period of 10 hours relating to the nominal capacity i 20 discharge current for a period of 20 hours relating to the nominal capacity conservation charging. Wayne wsb1275 75ah maintenancefree battery recommended. Then the battery needs to be charged by connecting the terminals to a battery charger an ac. Batteries should be kept clean and free of dirt and corrosion at all times. Aside from the alternator, the battery is the most important component in any cars electrical system. Before you start, put on a pair of gloves and wear eye protection. Bxt batteries great selection and warranty stateoftheart technology enhances battery longevity and reduces recharging time testedtough max 100month limited warranty, 36month free replacement testedtough max is the original equipment battery for all ford motor company vehicles recommended by ford motor company. Although the inside of a maintenancefree battery cannot be physically cared for, the outside certainly can. Sealed maintenance free battery features safety valve flamearrestor relieves excess pressure thrupartition construction provides shorter current path with less resistance for more cranking power special active material in the plates is compounded to withstand vibration, prolonging battery life and dependability special grid design withstands. Those socalled maintenancefree batteries will have nonremovable cell caps or no caps at all. It actually electrolyses into hydrogen and oxygen and escapes as gas.
Maintenancefree, nonaccessible batteries are designed to eliminate the need to add water. Battery case the case of the maintenance free battery is made of polypropylene. And if the engine compartment is subject to extremely high temperatures, even a maintenancefree battery can lose fluid. With maintenance free batteries, outgassing is most likely to happen in areas of the country that get extremely hot in the summer, or where cars are in constant stopandgo conditions and their engine compartments get up. The normal life of the battery is expected to be 10 years. Maintenance free batteries manufacturers, suppliers. The term of maintenance free battery is only half true. C calcium lead alloy grid designdirects corrosive gases away from the battery and holddowns. Keep the battery charged to 100%, recharging when the lights dim, the starter sounds weak, or the battery hasnt been used in more than two weeks. Maintenancefree lead acid battery guidelines for maintenance.
To produce a truly maintenance free battery, it is necessary that gases generated during overcharge are recombined in a socalled oxygen cycle. Our general purpose, high rate, deep cycle and fire and security lines in 2v to 48v and 2 to 100 ah ensure you have the right battery for every need. The basement watchdog maintenance free agm battery is completely sealed making it the perfect choice for years of reliable service for your battery backup sump pump system without having to add battery fluid or distilled water. Page 47 maintenance fundamentals battery warning your motorcycle has a maintenance free type the battery gives off explosive battery. The industrial maintenance mechanics industrybased credential is included in noctis job ready assessment battery. I only just installed it but worked when i tested the back up sump pump. The chemical hazards relate to the released contents. A battery only requires a little monthly maintenance to perform perfectly. Battery should operate at temperatures between 15c 50c. The term of maintenancefree battery is only half true. Basement watchdog maintenance free agm standby battery at.
Alpines stationary battery preventative maintenance program protects and increases the lifespan of your standby power battery systems. Does it mean that you have to discard it if it goes dead. It shall be ensured that the performance of the battery is not. Battery cables should be intact, and the connectors kept tight at all times. You do not have to check the battery hydrogen gas during normal electrolyte level or add distilled water. November 2018 in the interests of continuing advancement we reserve the right to modify specifications without prior notice. Industrial maintenance mechanics nocti job ready assessment test type. Take old batteries to a service or recycling center. Yet the volume of electrolyte above plates may eventually become depleted due to abnormal conditions such as high heat or improper regulator setting. How to charge a maintenancefree car battery it still runs. Also, do not provide a link to this material to another website or email address. Internet version of this manual created hydroelectric.