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10

5. Using the Wattmeter

Connect the Xtrema in between battery and motor

Connect the red (+) and black (-) Xtrema directly to a 12Volt automobile battery or regulated 
power supply. Be careful to observe polarity.

Connect the Li battery to the connector labeled 

“

BATTERY

”

Connect your speed controller and motor to the connector labeled 

“

MOTOR

”

You may optionally connect the temperature probe to the battery, motor or your speed controller 
using the hook and loop strap for monitoring purposes.

Set to Wattmeter mode

  Xtrema Main Menu:

o   

”

Li Charger

f  

’

 

 Wattmeter  

‘

f   

“

 ..setup..

“

Wattmeter

”

 should be selected on the display. (If not push the up 

 or down 

 buttons on the joystick 

until it is selected.) Press the joystick to the right  

 to enter Wattmeter mode.

2061.9 Watts 2.76 Hp

 36.80 Volts

 56.03 Amps      83F

’

Exit 00:08:17 More

‘

You are now able to measure Watts, amps, volts, temperature and even horsepower. Pressing the right  

button will allow you to toggle into the 

[STORED] 

mode which will display peak amps, minimum voltage, 

max temperature as well as the calculated watts and horsepower.

2030.1 Watts 2.72 Hp

 35.38 Volts minimum

 57.88 Amps peak 89F

’

Exit [STORED] More

‘

Press the left 

 button to return to the main menu.

Calculated 

Watts

Calculated 

Horsepower

Actual 

battery / motor 

voltage

Actual 

battery / motor 

curent

Actual temperature

(battery, motor, controller, etc.)

Total Time Testing

(when [STORED] is diplayed values 

represent recorded values)

Содержание Xtrema

Страница 1: ...of trouble free operation Safety while charging is an integral part of the design of the Xtrema and a high priority at TME Two collective features actively prevent overcharging your battery They serve as backup to the normal constant voltage termination The temperature cutoff provides the first level of protection It is set to shut off your charger if your battery goes over 104 F This default temp...

Страница 2: ...a s revision In this way we can provide you with the most up to date and complete manual without having to worry about delaying updates because of a surplus of printed manuals If you do not have a computer to print out your manual you can take it to a friend or nearby library to print it out Updates and the latest news on the Xtrema can be located on our special Xtrema web site Simply go to www th...

Страница 3: ...e DO NOT CHARGE in direct sunlight DO NOT CHARGE when ambient temperature is very HIGH or LOW DO NOT CHARGE when Li battery pack is hot or near flames DO NOT USE an Automobile battery charger for the input power source Use a regulated 12 to 13 8V DC supply or a 12 Volt Lead Acid battery capable of providing up to 20 amps when charging at the maximum charge capacity Your supply must maintain a mini...

Страница 4: ...tandby off state Momentarily pressing the joystick again in any direction will restart the Xtrema back to normal operation 4 CHARGING a Lithium Li Battery Overview How the charger works The Xtrema charges lithium batteries using the constant current to constant voltage method CC CV recommended by Lithium battery manufacturers When you start a charge cycle the first thing the Xtrema does is test to...

Страница 5: ...ly come on during high power charging The cooling it provides is an integral part of the Xtrema s power to charge large packs WARNING Your charger comes with factory default settings of 4 2 volts per cell These settings are ideal for obtaining the maximum charge from Lithium Polymer type cells These settings must be changed to 3 6 volts per cell when charging M1 High Power Hypersonic TM Lithium Io...

Страница 6: ... the joystick until it is selected Press the joystick to the right to enter Li Charger mode Xtrema Main Menu o Li Charger f Wattmeter f setup Select the cell count and milliamps Slct 2 750 Batt 3cell 2000mA Mem 5 5000 10 3500 5 You will see four battery pack configurations that can be customized and remembered by the Xtrema These can represent four of your most common pack configuration Use the up...

Страница 7: ... the right button to continue If not you can change the milliamps at this point by using the up or down buttons until the milliamps you want is displayed Notice that holding the button up or down will rapidly advance through the numbers When the milliamps you want is displayed press the right button to continue Note Unlike some other chargers the Xtrema does not require you to convert from amps to...

Страница 8: ...ema will quickly test your pack to see if its voltage is plausible with your selection If it measures a voltage over your terminating voltage cell count X MAX volts cell it will abort and display a HI BAT V message If it measures a voltage below your minimum voltage cell count X MIN volts cell it will abort and display a LO BAT V message The chart below indicates valid cell voltages for different ...

Страница 9: ...arge rate that should put a minimal stress on the battery while charging however you may want to consider changing the max safety timer to say 150 240 minutes to allow the extra charge time Note After the charging has started if you hit any key to abort the ABORTED Status will show and the unit will stop charging Hit any key again to go to menu Note After the charge cycle has ended the Xtrema will...

Страница 10: ...f not push the up or down buttons on the joystick until it is selected Press the joystick to the right to enter Wattmeter mode 2061 9 Watts 2 76 Hp 36 80 Volts 56 03 Amps 83F Exit 00 08 17 More You are now able to measure Watts amps volts temperature and even horsepower Pressing the right button will allow you to toggle into the STORED mode which will display peak amps minimum voltage max temperat...

Страница 11: ...option Beep Options lets you set up how the Xtrema makes sounds The third option Set Defaults merely restores all the factory default options Li Setup Select LI SETUP from the setup menu and press the joystick to the right Choose one of the following by moving the up or down buttons and press the joystick to the right Volts Cell This setup menu allows you to change the maximum voltage that the Xtr...

Страница 12: ...lightly less capacity per charge The reason you may want to do this is to extend the cycle life of your batteries Choosing 4 15 volts cell may only reduce the capacity of your charge by about 5 percent but it will extend the useful life of your pack by many cycles Note If you have reduced the volts cell value and you try to charge batteries previously charged at a higher volts cell they will cause...

Страница 13: ...t the cutoff temperature a few degrees above room temperature but under body temperature 98 F Start the charge as you normally would and grab the temperature probe with your hand Hold it tightly to transfer your body heat to the probe and make the temperature rise You should see the temperature display climb while charging It should abort the charge as soon as the temp display reached the limit yo...

Страница 14: ...etup menu and press the joystick to the right This option will instantly set the Xtrema back to the factory default options The defaults are 4 20 Volts cell 120 minute safety timer abort 104 F max temperature abort Remind Me beep mode ...

Страница 15: ...um Ion Lithium Polymer Safety Timer 10 990 minutes 120 default Fan On only when needed for longer life Safety Temperature Cutoff 60 F 130 F 104 F default Display 4 line X 20 character LCD display Audible Alarms Piezo Speaker alarms15 seconds beep once or disable WATTMETER SPECIFICATIONS Input Supply Voltage 6 5V 15V DC 40 ma Wattmeter Output Connections 14 Gauge Fine Strand Silicon Wire Voltage Me...

Страница 16: ...that the battery does not appear to be present or is connected backwards Check your wiring and battery connections other causes may be an open pack CHCK MOT This error message is displayed if the Xtrema detects during the testing phase prior to charging battery current going to the motor leads Make sure your motor is disconnected and restart the charger ABORTED This error message is displayed if t...

Страница 17: ...ll returned units after the first 30 days and should be enclosed with the unit Be sure to enclose your Bill of Sale as proof of purchase with the unit A legible photocopy is acceptable In the event that the work is not covered under the warranty TME will attempt to contact the owner unless special instructions or a credit card number are received with the unit FREE LIFETIME UPDATES The Xtrema carr...

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