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5)  1.25A CHARGE/MAINTENANCE: The alligator clips must be 

connected to the battery to start the charge cycle. When the clips 
are connected, the battery level indicator will illuminate to show the 
state of charge. To start the charge cycle, press the charge select 
button or wait four (4) seconds. The charge LED will turn on solid 
and the battery level lights will begin to illuminate from left to right 
indicating a charge is in progress. All the battery level lights will be 
on solid when the battery is fully charged and in maintenance 
mode. 

 

 

6)  20A BOOST: To start the boost cycle press the function select 

button until the 20A Boost led is illuminated. Connect the alligator 
clips to the battery and the LED’s in the battery level indicator will 
illuminate. Then press the boost select button and the LED will turn 
solid to begin the boost cycle. The five (5) left battery level lights 
will begin to illuminate from left to right until they are all solid and 
the battery has reached 14 volts. The boost cycle will then shut off.                              

      

 

 

 

 

7)  75A ENGINE START: To start the engine start cycle, press the 

function select button until the engine start LED is blinking. 
Connect the alligator clips to the battery to begin the engine start 
cycle. In order to begin the engine start mode, the battery voltage 
needs to be above 10.5 volts. If this is not the case, the charger will 
enter Boost Mode (All battery LEDs blink).

 

 

 

Once the battery has reached 10.5 volts, an engine start can be 
performed. At this point, the Battery LEDs will light up in sequence 
from left to right. 

 

8)  POWER SUPPLY: To start the Power Supply mode, press the 

function select button until the Power Supply LED is illuminated. 
Connect the alligator clips to the battery. Then press the power 
supply button, the power supply LED will then turn solid green 
while also turning the power supply on.

 

 

9)  WiFi: When AC power is applied to the charger the WiFi will 

automatically turn itself on. If you wish to turn the WiFi off, hold the 
battery select button down for ten (10) seconds.   

 

 

The WARNING/ERROR LED will blink to indicate the WiFi is off. 
To turn the WiFi back on, simply press the select button down for 
ten (10) seconds.

 

 

 

 

 

Summary of Contents for Battery Tender Power Plus

Page 1: ...sonal metal items such as rings bracelets necklaces and watches when working with a lead acid battery A lead acid battery can produce a short circuit current high enough to weld a ring or the like to metal causing a severe burn h Use charger for charging Six cell Lead Acid AGM OR Three cell Lithium Iron Phosphate LiFePO4 Batteries only Do not use battery charger for charging dry cell batteries tha...

Page 2: ...ger output power voltage and current depends on the condition of the battery it is charging ATTENTION The Battery Tender CHARGER HAS A SPARK FREE CIRCUITRY The output alligator clips will not spark when they are touched together The Battery Tender charger will not produce an output voltage until it senses at least 2 3 volts from the battery It must be connected to a battery with the correct polari...

Page 3: ...mp at 13 volts The Power Supply function is for use as only a memory saver when changing out a battery 5 WARNING ERROR LED There are safety timers built into the charger which vary depending on which battery type you have selected These timers will prevent a bad battery from being over charged if it does not reach optimum voltage within these time frames Have your battery checked if this occurs Th...

Page 4: ...d 14 volts The boost cycle will then shut off 8 7 75A ENGINE START To start the engine start cycle press the function select button until the engine start LED is blinking Connect the alligator clips to the battery to begin the engine start cycle In order to begin the engine start mode the battery voltage needs to be above 10 5 volts If this is not the case the charger will enter Boost Mode All bat...

Page 5: ... clips and the battery none of the battery LED lights will illuminate 10 Battery Tender App Setup 1 Look for the Battery Tender App on the Google Play and Apple App store 2 Download the app and install it 3 Open the app and follow the easy guide to connect your mobile device to your Battery Tender 4 We recommend connecting the device to a WiFi network with internet access and turning on Push Notif...

Page 6: ...rence in residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio television reception which can be determined by tuning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or ...

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