MK Powered 8A Series Installation And Operating Instructions Manual Download Page 1

8A & 8G BATTERY INSTALLATION 

AND OPERATING INSTRUCTIONS

DANGER

!

SHIELD EYES

EXPLOSIVE GASES

CAN CAUSE BLINDNESS 
OR INJURY.

NO

.

• SPARKS
• FLAMES
• SMOKING

SULFURIC
ACID

CAN CAUSE
BLINDNESS OR
SEVERE BURNS.

FLUSH EYES
IMMEDIATELY
WITH WATER.

GET
MEDICAL
HELP
FAST.

HIGH
VOLTAGE...

RISK OF SHOCK.
DO NOT TOUCH
UNINSULATED
TERMINALS OR
CONNECTORS.

DO NOT REMOVE VENT VALVE. 

WARRANTY VOID IF VENT VALVE IS REMOVED.

VENTILATE WELL WHEN IN AN ENCLOSED 

SPACE AND WHEN CHARGING.

REPAIR SHOULD BE PERFORMED ONLY

.

BY A QUALIFIED SERVICE TECHNICIAN.

SEE INSTALLATION, MAINTENANCE AND OPERATION

INSTRUCTIONS FOR IMPORTANT SAFETY PRECAUTIONS.

SAFETY PRECAUTIONS

Although all valve-regulated batteries have the elec-
trolyte immobilized within the cell, the electrical hazard
associated with batteries still exists. 

Work performed on

these batteries should be done with the tools and the
protective equipment listed below. 

Valve-regulated

battery installations should be supervised by personnel
familiar with batteries and battery safety precautions.

WARNING: Risk of fire, explosion, or burns. Do not 
disassemble, heat above 40°C, or incinerate.

Protective Equipment

Although VRLA batteries can vent or leak small amounts
of electrolyte, electrical safety is the principle but not the
only concern for safe handling. Per IEEE 1188 recom-
mendations, the following minimum set of equipment for
safe handling of the battery and protection of personnel
shall be available:

Safety glasses with side shields, or goggles, or face
shields as appropriate. (Consult application specific
requirements)

• Electrically insulated gloves, appropriate for the installation.
• Protective aprons and safety shoes
• Portable or stationary water facilities in the battery 

vicinity for rinsing eyes and skin in case of contact with
acid electrolyte.

• Class C fire extinguisher
• Acid neutralizing agent.
• Adequately insulated tools.
• Lifting devices of adequate capacity, when required.

SAFETY PRECAUTIONS

(con’t)

Procedures

Consult User Manual of specific application for 
additional Safety & Operating requirements.

The following safety procedures should be followed 
during installation: 

(Always wear safety glasses or

face shield.)

1. These batteries are sealed and contain no free elec-

trolyte. Under normal operating conditions, they do not
present any acid danger. However, if the battery jar or
cover is damaged, acid could be present. 

Sulfuric acid

is harmful to the skin and eyes. Flush affected area
with water immediately and consult a physician if
splashed in the eyes. Consult MSDS for additional
precautions and first aid measures.

2. Prohibit smoking and open flames, and avoid arcing in

the immediate vicinity of the battery.

3. Do not wear metallic objects, such as jewelry, while

working on batteries. Do not store un-insulated tools in
pockets or tool belt while working in vicinity of battery.

4. Keep the top of the battery dry and clear of all tools and

other foreign objects.

5. Provide adequate ventilation as regulated by Federal,

State and Local codes and follow recommended 
charging voltages.

6. Extinguishing media: Class ABC extinguisher. 

Note: 

CO

2

may be used but not directly on the cells due to

thermal shock and potential cracking of cases.

7.

Never

remove or tamper with pressure relief valves.

Warranty void if vent valve is removed.

8. Inspect all flooring and lifting equipment for functional

adequacy.

Batteries, battery posts, terminals and related accessories 
contain lead and lead compounds, and other chemicals known
to the state of California to cause cancer and birth defects or
other reproductive harm. 

Wash hands after handling.

California 

Proposition 65

Warning 

This manual is intended to be a guide to optimize battery performance for multiple cyclic & float applications. Consult applicable 
User Manuals for additional parameters for specific systems. This manual is not intended for SLI or Vehicle related applications.

Vehicle / Equipment Owner’s Manual should be followed for SLI & Vehicle related applications.

®

Summary of Contents for 8A Series

Page 1: ... of adequate capacity when required SAFETY PRECAUTIONS con t Procedures Consult User Manual of specific application for additional Safety Operating requirements The following safety procedures should be followed during installation Always wear safety glasses or face shield 1 These batteries are sealed and contain no free elec trolyte Under normal operating conditions they do not present any acid d...

Page 2: ... rubbing gently with a non metallic brush or pad before installing connectors No Ox ID grease can be used but is not required BATTERY ASSEMBLY con t 3 Install all electrical connectors cables and bolting hard ware loosely to allow for final alignment of batteries Torque to manufacturer recommendations 4 After torquing read the voltage of the battery string to ensure the individual batteries are co...

Page 3: ... Charging Current vs Charging Time chart in Appendix A as a guide line to determine recharge time from 0 to 90 state of charge at an initial charge current Discharge Voltage Curve To estimate battery voltage during a constant current discharge at various DoD Depth of Discharge consult chart Discharge Voltage Curve in Appendix A NOTE Battery voltage can vary depending on temperature age and conditi...

Page 4: ...face according to installation portion of this manual Note To provide accurate consistent values battery ies must be fully charged at same temper ature and probes placed at same location each time readings are taken MAINTENANCE con t Rectifier Ripple Voltage FREQUENCY Ripple that has a frequency greater than 667Hz duration less than 1 5ms is acceptable unless it is causing additional battery heati...

Page 5: ... 78 14 56 78 8 25 13 50 13 80 14 58 77 0 24 13 52 13 82 14 60 75 2 23 13 54 13 84 14 62 73 4 22 13 55 13 85 14 63 71 6 21 13 57 13 87 14 65 69 8 20 13 59 13 89 14 67 68 0 19 13 61 13 91 14 69 66 2 18 13 63 13 93 14 71 64 4 17 13 64 13 94 14 72 62 6 16 13 66 13 96 14 74 60 8 15 13 68 13 98 14 76 59 ºC Float Charge Absorption ºF Min Max Voltage Compensation Chart Note 1 Above values based on 12 volt...

Page 6: ...APPENDIX A DISCHARGE VOLTAGE CURVE CHARGING CURRENT VS CHARGING TIME 6 ...

Page 7: ...te New ________________________ Battery location and or number __________________________________________________ Date Installed _____________________ Readings Taken By ____________________________ Remarks Recommendations __________________________________________________________ Readings should be taken at installation and annually thereafter ______________________________________________________...

Page 8: ...833 2012 by EPM Printed in U S A All data subject to change without notice No part of this document may be copied or reproduced electronically or mechanically without written permission from the company DISTRIBUTED BY ...

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