Napa 00-99-000942 Owner's Manual - page 10

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 6 

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OPERATING INSTRUCTIONS

11. 

Connect the battery cable assembly to the NIN-800A with the quick-con-

11.1 

nect connector on the back of the unit.

Connect the battery cable assembly to the battery as described in sections 

11.2 

6 and 7.

Plug the NIN-800A into a 120V AC wall outlet.

11.3 

NOTE: The NIN-800A intermittently draws more than 15 amps of current. 

We recommend that you either install a 20 amp circuit or do not run any-

thing else on the same circuit as the NIN-800A or you may trip the breaker 

supplying the AC power.

Turn the 

11.4 

MAIN POWER switch to the ON position. When the charger pow-

ers up, the LCD screen defaults to and displays 12V FAST on the top line 

and CONNECT BATTERY blinking on the bottom line. The charger also 

checks for a properly connected battery. When it finds one, the display 

changes to show the voltage of the battery on the top line and PRESS ON 

blinking on the bottom line (referring to the CHARGE ON/OFF button).

Press the CHARGE VOLTAGE button to select the correct battery voltage 

11.5 

of either 6V or 12V.

Press the CHARGE MODE button to select the correct battery type and 

11.6 

charge rate:

FAST: 35 minute charge for automotive and marine batteries. Maximum 

charge rate for large batteries that can accept up to 80 Amps of charging 

current.

FULL: Up to 240 minute charge for automotive and marine batteries. 

Maximum charge rate for large batteries that can accept up to 80 Amps of 

charging current. 

FULL (lawn tractor, motorcycle, ATV): Up to 240 minute charge. Lower 

charge rate for small batteries. 

GEL FAST/FULL: Up to 240 minute charge. Charge rate safe for all Gel 

Cell batteries. 

Press the CHARGE ON/OFF button to start the charge cycle.

11.7 

After pressing the button, the display shows the selected charge mode on 

11.8 

the top line and the time remaining (counting down) on the bottom line. 

If the display shows “Connect Battery” even when a battery is properly 

connected to the NIN-800A, the battery is below 0.2V. The automatic 

charger will not start. If you would like to start manually, press and hold the 

CHARGE ON/OFF button for 5 seconds until the charge cycle starts.