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Observe these instructions and keep them
located near the battery for future reference.
Work on the battery should only be carried
out by qualified personnel.
Do not smoke or introduce sparks in the
vicinity of the battery. Explosion and fire
hazards are present.
While working on batteries wear protective
eye-glassing and clothing. Observe accident
protection rules.
Any acid splashes on the skin or in the eyes
must be flushed with plenty of water
immediately. Then seek medical assistance.
Spillages on clothing should be rinsed out
with water.
General
Mastervolt GEL batteries are immediate ready for use.
For the installation and operation of Mastervolt batteries
DIN VDE 0510 as well as EN 50 272-2 are mandatory.
Installation
Prior to installation check battery for mechanical
damages.
Installation angle of the battery: 180º. Installation in
upright position is recommended.
Keep >1cm />0.5 inch space between the batteries.
Keep away from heat sources.
Allowed operating temperature: –20 to 45ºC / –4 to
113ºF; Nominal operating temperature: 10 to 30ºC /
50 to 86ºF. Recommended at 20ºC/ 68ºF. The battery
life is halved for every 10ºC of rise in temperature.
Lower temperatures will reduce the available capacity
Under extreme overcharging conditions lead acid
batteries can vent an explosive mixture of hydrogen
gas. If contained, assure adequate ventilation.
Clear the terminals before connection.
During installation all loads and chargers must be
switched off.
Use properly sized and reliable cable lugs and battery
terminals. Tighten all connections firmly.
Connect the battery with correct polarity. The
position of the battery poles may differ from
previous installed batteries!
Use protective battery terminal insulators.
Batteries in series or parallel must be of the same
brand, type, capacity and state of charge. Do not mix
old and new batteries. See figure 1 to 5 if batteries
must be connected in parallel or in series.
Charging
Use only chargers with IUoUo characteristic. Voltage
settings: float charge 13.80V @ 25ºC / 77ºF; absorption
charge 14.25V @ 25ºC / 77ºF (max 5 hrs). Temperature
compensated charging is recommended (–30mV/ºC or
–17mV/ºF).
Maximum charge current: 50% of nominal capacity.
Incomplete charges may damage the batteries. Therefore
the batteries must be charged to the full 100% regularly,
at least every week.
ENGLISH
Metal parts of the battery are always alive.
Do not short circuit, use insulated tools. Do
not place tools or other items on the
battery. Do not wear any metallic items
such as watches, bracelets, et cetera.
Electrolyte is strongly corrosive. Under
normal conditions contact with electrolyte is
impossible. If the housing is damaged the
electrolyte can be available.
Batteries are heavy. Ensure adequate
mounting security and always use suitable
handling equipment for transportation.
Keep children away from batteries.
Discharge
Avoid too deep discharges. Regular discharges beyond
60% of the nominal capacity are not recommended as
they might shorten the lifetime of the battery.
Recharge the battery completely, immediately after a
discharge. Never discharge below the final discharge
voltage. The final discharge voltage is related to the
discharge current. See table "Final discharge voltage".
Maintenance
Check batteries and connections on a regular base, at
least every three months. Defects such as loose or
corroded connections must be corrected immediately.
Keep battery in charged condition.
If the battery voltage differs from the average float charge
voltage by more than +0.49V or –0.24V or if the surface
temperature difference between batteries exceeds 5ºC a
service agent should be contacted.
Elevated environmental temperatures increase the self-
discharge rate of the batteries. See "Battery storage".
Batteries should be recharged when the open circuit
voltage drops below 12.3 Volt.
Keep the battery dry and clean. Use only a wet soft cloth
to clean the battery. Never use any additives, acids
and/or scourers.
Do not open the battery. Never add acid or distilled water.
Pressure valves are used for sealing and cannot be
opened without destruction.
Disposal of batteries
Spent batteries are harmful to health and the
environment. Therefore batteries may not be
mixed with domestic or industrial waste but
must be collected and recycled separately.
Contact your supplier for recollection and
recycling of batteries or contact an
authorized waste management company.
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