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LIMITED WARRANTY
SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CENTER DRIVE, MOUNT PROSPECT, ILLINOIS 60056-2179 MAKES THIS
LIMITED WARRANTY TO THE ORIGINAL PURCHASER AT RETAIL OF THIS PRODUCT. THIS LIMITED WARRANTY IS NOT TRANSFER-
ABLE.
Schumacher Electric Corporation warrants this battery charger for two years from date of purchase of retail against defective material or
workmanship. If such should occur the unit will be repaired or replaced at the option of the manufacturer. It is the obligation of the purchaser to forward
the unit together with proof of purchase, transportation and/or mailing charges prepaid to the manufacturer or its authorized representative.
This limited warranty is void if the product is misused, subjected to careless handling, or repaired by anyone other than the factory or other
authorized factory representative.
The manufacturer makes no warranty other than this limited warranty and expressly excludes any implied warranty including any warranty for
consequential damages.
THIS IS THE ONLY EXPRESS LIMITED WARRANTY AND THE MANUFACTURER NEITHER ASSUMES NOR AUTHORIZES ANYONE TO
ASSUME OR MAKE ANY OTHER OBLIGATION TOWARDS THE PRODUCT OTHER THAN THIS EXPRESS LIMITED WARRANTY. THE
MANUFACTURER MAKES NO WARRANTY OF MERCHANT ABILITY OR FITNESS FOR PURPOSE OF THIS PRODUCT AND EXPRESSLY
EXCLUDES SUCH FROM THIS LIMITED WARRANTY.
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LENGTH OF
IMPLIED WARRANTY SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO
STATE.
Store battery charger in a dry area.
STORAGE
The approximate required time to bring a battery to full
charge state depends upon the number of ampere-hours
(AH) depleted from the battery. AH’s are determined by
multiplying the number of hours by the number of AMPS
supplied to a load.
For example - If a load was connected to a battery, which
drew 7 AMPS for a period of 5 hours, the battery will have
supplied 35 AH . The approximate recharge time would then
be calculated by dividing the 35 AH depleted from the
battery, by the ampere charge rate of the charger. To allow
for tapering off of the charge rate, add 25 percent to the
charge time.
Indications of a fully charged battery are:
1. When the meter indicates an intermittent current flow to
the battery.
2. A hydrometer reading of the specific gravity of the
electrolyte (fluid) of a battery in good condition should
be between 1.250 and 1.285.
3. When a battery reaches 80-85% of full charge, bubbles
will appear on the surface of the fluid. As the battery
nears full charge, bubbling will become more noticeably
active.
4. The time required to charge two 6-volt batteries con-
nected in series will be the same as for one 12-volt
battery of equivalent size.
NOTE: This charger will shut off when the battery is
fully charged and will turn back on automatically when
the battery needs to be charged again.
5. Do not charge two 12-volt batteries in parallel.
INDICATION OF PROPER OPERATION TO A DISCHARGED
BATTERY BUT OTHERWIDE IN GOOD CONDITION
1. 12 AMP setting: The initial charge current should be 12
AMP’s gradually tapering throughout the charge cycle to
5 Amp’s. Though not indicated, battery voltage will
gradually rise to approximately 15 volts, then hold
constant throughout remainder of charge cycle. When
the battery reaches 15 volts and charge current drops to
5 AMP’s the charger will turn off. Initially the battery
voltage will drop from its 15 volt level fairly quickly.
When 13 volts is reached, the charger will again turn on,
until the 15 volt, 5 AMP condition is met. As this action
continues, ON time will decrease to a few seconds while
OFF time increases to a range of several minutes to an
hour. ON/OFF times vary with size, type and condition of
battery.
2. 2 AMP setting ON/OFF action is a function of battery
voltage only, otherwise identical to 12 AMP setting.
CHARGE PERIOD
O.
P.
Q.