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1) 

Power LED Indicator:

  Illuminates red when power cord is plugged in and 

power switch on back of unit is turned on.

2) 

Charging LED Indicator:

  Illuminates green when powered on and red when 

charging. When charging is complete the charging LED Indicator will illuminate 

green. If the Charging LED Indicator remains red after a 1 hour period, switch 

the charger OFF and remove the battery connections.  Insure the battery polarity 

is correct, and if so, replace the battery.

3) 

Power Switch:

 (on back) Power is ON when switched to “I” and OFF when 

switched to “O”.

4) 

Fuse holder: 

15A MODELS ONLY, contain a 25A output fuse in case of overload.

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Back Power Switch and Front LED Indicators

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Operation 

The Li Charger series has been designed to provide fully automatic recharging of most 12V and 16V lithium ion 

batteries. If possible, disconnect all loads from the battery by removing battery cables, opening a disconnect switch, 

or switching loads off. 

To charge your 12V or 16V battery:

1)  With the charger’s power switch in the OFF position plug the charger into a grounded wall receptacle.

2)  Connect the red positive (+) clip of the charger cables to the positive (+) terminal of the vehicle battery.

3)  Connect the black negative (–) clip of the charger cables to a solid chassis ground.  If this is not possible, connect 

it to the negative (–) battery terminal.

4)  Flip the power switch on the back panel to ON.  The Power LED will illuminate red and the Charging LED Indicator 

on the front panel will illuminate red as well, beginning the charging sequence.  

*Note that the charger will automatically restart 

the charging sequence if the charge current rises above a factory preset threshold.

9)  When complete, the Charging LED Indicator will turn green, flip the power switch to OFF.

10)  Remove the black negative (–) clip and the red positive (+) clip from the vehicle’s battery terminals.

Power LED

Charging LED

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The LED Status Indicator will illuminate RED/RED indicating the battery is charging. The LED indicators will illuminate RED/GREEN indicating the battery 

is fully charged.

Charging LED

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LED Status Indicators

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