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Battery
SF-125A, SF-1275A,
SF-5212A, SF-520MA
Charger
Battery Charger
Models:
Owner's Manual
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Important Safety Instructions
Read Rules for Safe Operation and Instructions Carefully
Working in vicinity of a lead-acid battery is dangerous. Batteries generate explosive gases during normal
battery operation. For this reason, it is of utmost importance that each time before using your charger, you
read this manual and follow the instructions exactly.
WARNING: Handling the cord on this product o
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B. PERSONAL PRECAUTIONS AND SAFETY 1. WARNING: Wear complete eye protection and clothing 5. Remove all personal metal items such as rings, bracelets, protection, when working with lead-acid batteries. necklaces, and watches when working with a lead-acid 2. Make sure someone is within range of your voice or close battery. A lead-acid battery can produce a short-circuit enough to come to your aid when you work with or near a current high enough to weld a ring (or the like) to metal, lead-acid batt
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D. METER AND SWITCH FUNCTIONS TYPICAL DISPLAY FOR A FULLY TYPICAL DISPLAY FOR A MODEL: SF-125A CHARGED BATTERY AT THE 15 DISCHARGED BATTERY AMP CHARGE RATE AT THE 15 AMP RATE 12 VOLT 2 AMP 12 VOLT 6 VOLT START 125 AMP 15 AMP ENGINE MANUAL Percent % 100 75 50 25 0 START REVERSED FULL HOOKUP CHARGE (RED (GREEN INDICATOR) INDICATOR) METER: The meter indicates the amount of current measured in amperes that is being drawn from the charger by a battery. In 12 VOLT the 15 Amp
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E. BATTERY CHARGER CONTROLS OPERATION – Model SF-1275-A OPERATION – SF-520-MA Two switches permit Battery Type and Charge Rate selection. This charger has two switches. Switch #1 permits selection of either Conventional or Mainte- Switch #1 nance Free and Deep Cycle batteries. If you are not sure of your Mode 1--Manual Position: Use for charging in 2 amp or 10 amp battery type, use the (Regular) Conventional Setting. Charge Rates on 12 volt batteries only. This charging must be Switch #2 (3 Char
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F. READING METER FOR: SF-1275A, SF-5212A, SF-520MA CHARGE % 100 75 50 25 0 CHARGE % 100 75 50 25 0 CHARGE % 100 75 50 25 0 FULL CHARGE POWER ON FULL CHARGE POWER ON FULL CHARGE POWER ON FULLY DISCHARGED BATTERY APPROACHES FULL CHARGE FULLY CHARGED BATTERY Initial charge current to the battery is Charge current to the battery is Charge current to the battery is 0 typically 10 amps. The needle points typically 5 amps. The needle points amps. And, the Full
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I. FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE POSITIVE NEGATIVE A SPARK NEAR THE BATTERY MAY CAUSE BATTERY EX- PLOSION. TO REDUCE RISK Of A SPARK NEAR BATTERY: 1. Check polarity of battery posts. POSITIVE (POS, P,+) battery CHARGER post usually has a larger diameter than NEGATIVE (NEG, N, -) post. BATTERY 2. Attach at least a 24-inch-long 6-gauge (AWG) insulated battery cable to NEGATIVE (NEG, N, -) battery post ( not provided). 3. Connect POSITIVE (RED) charger clamp to POSITIVE (POS, P
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N. INDICATION OF PROPER OPERATION TO A DISCHARGED BATTERY BUT OTHERWIDE IN GOOD CONDITION 1. 12 AMP setting: The initial charge current should be 12 As this action continues, ON time will decrease to a few AMP’s gradually tapering throughout the charge cycle to 5 seconds while OFF time increases to a range of several Amp’s. Though not indicated, battery voltage will gradually minutes to an hour. ON/OFF times vary with size, type and rise to approximately 15 volts, then hold constant throughout c
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Q. TROUBLESHOOTING The battery charger is designed to work automatically. However, If a problem does occur, check the following: PROBLEM POSSIBLE CAUSE SOLUTION No meter reading. Connections are reversed. With charger unplugged, reverse clips and reconnect (rock back and forth to bite in). Poor electrical connection. Clean clips and battery posts and reconnect (roll back and forth to bite in). AC outlet is dead. Plug in a lamp or other appliance to check for voltage. Battery is defective (will n
