Bolide Technology SVR-80xx-S series Manual de usuario

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Sealed Valve Regulated (SVR)
Gelled Electrolyte
Lead-Acid Batteries
TECHNICAL MANUAL
MK Battery and American Workshop
Introduction
Sealed gel technology (commonly referred to as “gel cell” technology)
was developed several years ago. Over the years, the gel battery has
evolved and developed into the battery of choice for discriminating
system designers, application engineers and sophisticated users.
In 1991, our plant began building gel cell batteries using tried
and true technology backed by more than 50 years experience.
Our unique computer-aided manufacturing expertise and vertical
integration have created a product that is recognized as the highest
quality, longest life gel battery available from any source.
Applications
Gel cells can be used in virtually any flooded electrolyte wet cell
application (in conjunction with well-regulated charging), as well as
applications where traditional wet cells cannot be used. Because of
their unique features and benefits, gel cells are particularly well
suited for:
Deep Cycle, Deep Discharge Applications
Marine Trolling Electronics RVs
Electric Vehicles Wheelchairs Sailboats
Portable Power Floor Scrubbers Golf Cars
Personnel Carriers Marine House Power
Commercial Deep Cycle Applications
Standby and Emergency Backup Applications
UPS (Uninterrupted Power Systems)
Emergency Lighting Computer Backup
Cable TV Telephone Switching
Unusual and Demanding Applications
Race Cars Air-transported Equipment
Off-road Vehicles Wet Environments
Marine Starting Diesel & I.C.E. Starting
What is a gel cell?
A gel cell is a lead-acid electric storage battery that:
is pressurized and sealed using special valves, and therefore
should never be opened.
is completely maintenance-free*.
uses a thixotropic gelled electrolyte.
uses the “recombination” technique to replace oxygen and
hydrogen normally lost in a wet cell (particularly in deep
cycle applications).
is non-spillable, and therefore can be operated in virtually
any position. However, installation upside-down is not
recommended.
* Connections must be retorqued and the batteries should be cleaned periodically.
How does a gel cell work?
A gel cell is a “recombinant” battery. This means that the oxygen
that is normally produced on the positive plate in all lead-acid
batteries recombines with the hydrogen given off by the negative
plate. The “recombination” of hydrogen and oxygen produces
water (H
2
O), which replaces the moisture in the battery. Therefore,
the battery is maintenance-free, as it never needs watering.
The oxygen is trapped in the cell by special pressurized sealing
vents. It travels to the negative plate through tiny fissures or cracks
in the gelled electrolyte.
The sealing vent is critical to the performance of the gel cell.
The cell must maintain a positive internal pressure. Otherwise the
recombination of the gasses will not take place, and the cell will
dry out and not perform.
In addition, the valve must safely release any excess pressure that
may be produced during overcharging. Otherwise the cell would be
irreparably damaged.
It’s important to note that a gel cell must never be opened once
it leaves the factory. If opened, the cell loses its pressure, and the
outside air will “poison” the plates and cause an imbalance that
destroys the recombination chemistry.
Hence the name: Sealed Valve Regulated (SVR) Battery.
What is the difference between gel
cell and “starved electrolyte” batteries?
Both are recombinant batteries; both are sealed valve regulated.
The major difference is that the “starved” or “absorbed electrolyte”
battery contains an amount of liquid electrolyte added at the factory
that soaks into the special separators. Therefore, it is non-spillable
because all the liquid electrolyte is trapped in the sponge-like
separator material. There is no “free” electrolyte to spill if tipped
or punctured.
Because of this “acid-starved” condition, this type of battery does
not normally perform well in heavy, deep discharge applications.
The gel cell has more electrolyte available, therefore it is better
suited for deep discharge applications and can accept occasional
overcharging.
technical_manual_V2 10/10/02 11:36 AM Page 1
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Indice de contenidos

Pagina 1 - Lead-Acid Batteries

1Sealed Valve Regulated (SVR) Gelled Electrolyte Lead-Acid BatteriesTECHNICAL MANUALMK Battery and American WorkshopIntroductionSealed gel technology

Pagina 2

10If calcium grids don’t do well in floodeddeep cycle applications, how can East Penn use calcium grids in gel cells for deep cycle applications?Flood

Pagina 3 - E.V. Life Testing

11The following charts graphically illustrate this fact.Self-Discharge of Gel Cell Batteries at Different TemperaturesEffect of Temperature on Recharg

Pagina 4 - Recharge Voltage

12Remember that voltage is electrical pressure and current (amps) is electrical flow. Battery plates can be subjected to too muchcharge (overcharging)

Pagina 5

13How can continual undercharging harm a battery?In many respects, undercharging is as harmful as overcharging.Keeping a battery in an undercharged co

Pagina 6

14If you are not sure if a charger is performing properly, follow thisprocedure:a. Using a fully discharged gel cell battery (11.8V to 10.5V) and a di

Pagina 7 - State-of-the-Art Technology

Battery Installation SeriesA “series” system increases the voltage, but keeps the batterycapacity (cranking amps, amp hours, reserve minutes, and minu

Pagina 8 - How do MK’s battery features

16NOTESNote: Never mix different types and sizes of batteries in the same bank.To properly recharge, a sophisticated “battery isolator”should be insta

Pagina 9 - Frequently Asked Questions

2What is the difference between gel cell and traditional wet batteries?Wet cells do not have special pressurized sealing vents, as they donot work on

Pagina 10

3CHART AIndependent Laboratory B.C.I. E.V. Life TestingMK Gel 27 vs. Competitive 27 Sealed Valve Regulated (Gel & AGM)This chart demonstrates the

Pagina 11 - How does a battery recharge?

4CHART EGel Battery CapacityVoltage vs. Percent DischargedCHART DCharging Hours vs.Initial Charge AmpsCharging at 2.3 Volts Per CellThis chart shows h

Pagina 12 - 2 hours 6 hours

5What are the features and benefits that make MK Battery’s gel cell unique?MK ExpertiseWe build gel batteries to the highest standards. Our method fea

Pagina 13

6Exclusive Thru-Partition Weld SealsOne of the causes of self-discharge in batteries is the minute electri-cal currents that flow between each cell th

Pagina 14 - EXPLOSIVE

7Over 250 Quality Assurance ChecksHundreds of quality checks are performed to assure total confidence in the performance and life of our batteries.For

Pagina 15

8MK OTHER GEL ALL STARVED ALL WET FEATURE GEL CELLS CELLS ELECTROLYTE CELLS1. MK Expertise YES NO MK ONLY NO2. Spillproof and Leakproof YES YES YES N

Pagina 16 - UL Recognized Component

9NOTE: Before reviewing this section, be sure you understand the difference between gel SVR and absorbed SVR batteries.Answers to the Most Frequently

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