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Battery Storage & Shipment - procedures
Guidelines are provided for those occasions when batteries must be stored, in either a wet or dry state, and for possible reshipment to other areas.
Storage Methods
Charged and Wet Batteries. Lead acid batteries may be stored in a charged and wet (filled with electrolyte) condition when necessary for periods of up to several months. During such periods they should be stored in a clean, cool, dry and well ventilated location away from radiators, hot air ducts or other sources of heat, and protected from exposure to direct sunlight. Before being stored, the battery should be fully charged and the electrolyte should be brought to the proper level. Any leads should be disconnected or insulated to prevent accidental discharge. The top of the battery must be protected from dust, foreign matter and moisture. Do not attempt to dismantle the battery.
If the average storage temperature is 80 degrees F. or higher, the specific gravity of the electrolyte should be checked at least monthly. If below 80 degrees F., check gravities at least every two months. Whenever the specific gravity, corrected to 80 degrees F., falls to 1.240 or below, the battery should be given a freshening charge as described in Paragraph 2-10d. A freshening charge is also recom- mended just before returning a battery to service.
Charged and Dry Batteries
New batteries are often supplied charged and dry (without electrolyte). Batteries in this condition can remain in storage, unattended, for a period of at least two years. They should be stored in a cool, dry place with vent caps tightly closed. Average temperatures should not exceed 80 degrees F. Batteries should not be stored near radiators, hot air ducts, or other sources of heat, and should be protected from exposure to direct sunlight. The top of the battery should be protected from dust, foreign matter and moisture. Charged and dry batteries when removed from storage should be activated.
Shipment
Charged and Wet Batteries. Depots or using organiza tions may make shipments of motive power batteries in a charged and wet condition if intended for use within a period of 90 days. The battery service weight is usually stamped into the steel tray near one of the lifting holes. Detailed battery information may also be obtained from manufacturers catalog.
Before crating a wet battery for shipment it should be given a freshening charge. A tag should be attached to both the battery and the crate showing the date of the last charge and the specific gravity of the electrolyte at the completion of the charge. Make certain that the battery is properly protected when crated. The receiving organization should be alerted also to the need for a freshening charge before the battery is put into service.
Charged and Dry Batteries. Depots will normally make domestic and export shipments of new batteries which usually will be in a charged and dry condition. Batteries, and the accompanying electrolyte in separate carboys, which are intended for export shipment must be packaged in accordance with approved methods.
DID YOU KNOW THAT ...
The individual cells, which con tain the energy generating components of the battery, may be arranged slightly differently for various types of batteries. The typical cell arrangement for 12 volt batteries (6 cells) is a single row of 6 cells; for 24 volts (12 cells) it is either two rows of 6 cells each or three rows of 4 cells each; for 32 volts (16 cells) it is four rows of 4 cells each; and for 36 volts (18 cells) it is three rows of 6 cells each.