Led Indicators; Battery Type Button - Napa 90-620 Owner's Manual

RATE SELECTION BUTTON
Use this button to select one of the following:
6<>2A CHARGE/MAINTAIN – For charging small and large batteries. Not recommended for
industrial applications.
BOOST/SERVICE MODE – Ramps up the voltage and send a quick burst of energy into the battery, to
quickly bring deeply discharged batteries back to life; holds a stable voltage at 13.6V and prevents battery
discharge during service or when idle in a showroom. Always use in combination with a battery.
NOTE: Boost mode, once begun, will stay energized until the Rate Selection button is pressed.
ENGINE START – Provides additional amps for cranking an engine with a weak or run-down battery.
Always use in combination with a battery.
NOTE: In general, pressing the Rate Selection button advances the selection to the next choice and lights
the corresponding LED; charging will begin within a few seconds of release of the button. However, when
charging has begun, pressing this button stops charging, which will cause the display to temporarily display
OFF. The rate LED will turn off and the Charging (yellow/orange) LED will turn off. Then, the next button
press will go back to the same rate selection that was turned off and turn on its LED. Charging will begin in
a few seconds and the Charging (yellow/orange) LED will turn on. If the previous selection is not wanted,
continue pressing the button to choose the preferred rate.

LED INDICATORS

CLAMPS REVERSED/BAD BATTERY (red) LED flashing: The connections are reversed.
CLAMPS REVERSED/BAD BATTERY (red) LED lit: The charger has detected a problem with
the battery. See Troubleshooting and Error Codes for more information.
CHARGING (yellow/orange) LED lit: The charger is charging/boosting the battery.
CHARGED/MAINTAINING (green) LED lit: The battery is fully charged and the charger is in maintain
mode. NOTE: The display and all other LEDs will be off when this LED is lit, in order to conserve energy.
NOTE: See Operating Instructions for a complete description of the charger modes.

BATTERY TYPE BUTTON

Use this button to select the type of battery.
– Used in cars, trucks and motorcycles, these batteries have vent caps and are often marked "low
maintenance" or "maintenance-free". This type of battery is designed to deliver quick bursts of energy
(such as starting engines) and has a greater plate count. The plates are thinner and have somewhat
different material composition. Standard batteries should not be used for deep-cycle applications.
–The Absorbed Glass Mat construction allows the electrolyte to be suspended in close proximity
with the plate's active material. In theory, this enhances both the discharge and recharge efficiency. The
AGM batteries are a variant of Sealed VRLA (valve regulated lead-acid) batteries. Popular uses include
high-performance engine starting, power sports, deep-cycle, solar and storage batteries.
11. OPERATING INSTRUCTIONS
WARNING: A SPARK NEAR THE BATTERY MAY CAUSE AN EXPLOSION.
CHARGING A BATTERY IN THE VEHICLE
1. Turn off all the vehicle's accessories.
2. Keep the hood open.
3. Clean the battery terminals.
4. Place the charger on a dry, non-flammable surface.
5. Lay the AC/DC cables away from any fan blades, belts, pulleys and other moving parts.
6. Connect the battery, following the precautions listed in sections 6 and 7.
7. Connect the charger to an electrical outlet.
8. Select the battery type.
9. Press the Rate Selection button until the desired option is selected (indicated by the corresponding
LED turning on). Charging will then begin in a few seconds. If not pressed within 30 seconds,
charging will begin automatically with the Boost rate and its LED lit. With the Charge rate selected,
charging of the battery will automatically complete. Even with Charge rate selected, the charger will
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