PDF Additional Battery Maintenance… Acrobat PDF, 197KB

PDF Additional Battery Maintenance… Acrobat PDF, 197KB
ADDITIONAL ADVICE FOR THE MAINTENANCE OF DEEP CYCLE BATTERIES
New batteries should be given a full charge before use.
New batteries need to be cycled several times before reaching full capacity (75 - 125 cycles,
depending on type). Usage should be limited during this period.
Battery cables should be intact, and the connectors kept tight at all times. Systematic inspection is
recommended.
Vent caps should be kept in place and tight during vehicle operation and battery charging.
Batteries should be kept clean and free of dirt and corrosion at all times.
Batteries should be watered after charging unless plates are exposed before charging. If exposed
add just enough water to cover plate tops by 1/8". Check acid level after charge. The acid level
should be kept 1/4" below the bottom of the fill well in the cell cover.
Water used to replenish batteries should be distilled or treated not to exceed 200 T.D.S. (total
dissolved solids...parts per million). Particular care should be taken to avoid metallic contamination
(iron).
For best battery life, batteries should not be discharged below 80% of their rated capacity. Proper
battery sizing will help avoid excessive discharge.
Battery chargers should be matched to fully charge batteries in an eight hour period. Defective
chargers will damage batteries or severely reduce their performance.
Avoid charging at temperatures above 120°F or ambient, whichever is higher.
Deep cycle batteries need to be equalized periodically. Equalizing is an extended, low current charge
performed after the normal charge cycle. This extra charge helps keep all cells in balance. Actively
used batteries should be equalized once per week. Manually timed charges should have the charge
time extended approximately 3 hours. Automatically controlled chargers should be unplugged and
reconnected after completing a charge.
In situations where multiple batteries are connected in series, parallel or series/parallel,
replacement battery(s) should be of the same size, age and usage level as the companion batteries.
Do not put a new battery in a pack which has 50 or more cycles. Either replace with all new or use a
good used battery(s).
Periodic battery testing is an important preventative maintenance procedure. A hydrometer reading
of each cell (fully charged) gives an indication of balance and true charge level. Imbalance could
mean the need for equalizing; is often a sign of improper charging or a bad cell. Voltage checks
(open circuit, charged and discharged) can locate a bad battery or weak battery. Load testing will
pick out a bad battery when other methods fail. A weak battery will cause premature failure of
companion batteries.
Always use a matched voltage charger and battery pack system. An undersized charger will never get
the job done, no matter how long you let it run. An oversized charger will cause excess gassing and
heat; this situation could cause explosions or other damage.
As batteries age, their maintenance requirements change. This means longer charging time and/or
higher finish rate (higher amperage at the end of the charge). Usually older batteries need to be
watered more often. And, their capacity decreases.
Lead acid batteries should be brought up to full charge at the earliest opportunity. Avoid
continuously operating batteries in a partially charged condition. This will shorten their life and
reduce their capacity.
Extreme temperatures can substantially affect battery performance and charging. Cold reduces
battery capacity and retards charging. Heat increases water usage and can result in overcharging.
Very high temperatures can cause “thermal run-away" which may lead to an explosion or fire. If
extreme temperature is an unavoidable part of an application, consult a battery/charger specialist
about ways to deal with the problem.
Inactivity can be extremely harmful to all lead acid batteries. If seasonal use is anticipated, we
recommend the following:
a. Completely charge the battery before storing.
b. Remove all electrical connections from the battery, including series/parallel connectors.
c. Store the battery in as cool a place as possible. However, do not store in a location which will
consistently be below 32°F. Batteries will discharge when stored, the lower the temperature the
lower the self-discharge.
d. When not in use, boost every two months.
Golf Car and Electric Vehicle Maintenance Procedures
1. Most Important check the battery water level every couple weeks
2. If needed add water slowly and be careful not to overfill the batteries. The proper water level is
¼” below the fill ring. Remember to fill batteries after vehicle has been fully charged. Distilled water
is recommended to prolong the batteries life.
3. Never charge the batteries when plates are exposed. This will cause severe and permanent
damage to the batteries. First add just enough water to cover the plates then charge the vehicle.
4. Battery compartment, tops of batteries and battery terminals need to wash down and cleaned
every few weeks. DO NOT use high pressure hose to clean batteries.
5. Vehicles should be charged on a daily basis and if possible charged at different discharge intervals
to maximize battery performance and life.
6. Make sure batteries are being charged at a rate of 12-20 amps on your charger. This means
batteries are being properly charged. If not check the wiring loom and all connections.
7. Make sure to “Equalize” the batteries once every 2 weeks. Automatically controlled chargers
should be unplugged and reconnected after completing a full charge. This will keep the batteries in
balance and maximize battery life and performance.
8. Check tire pressure once a week to make sure tire is properly inflated. The proper tyre inflation is
located on the side of the tire and is usually 22-30 PSI.
9. Inspect Brake pedal and accelerator and lubricate if necessary
10. Inspect wiring for rupture or dirt and repair/clean if necessary
11. Lastly consult your owner’s manual for any all other service issues needed.
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