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V E X Batteries. 2000 mAh “Little” Robot Battery. 3000 mAh “Big” Robot Battery. This battery lasts the longest, but it also takes the longest to charge. Use it in competitions. This battery doesn’t last that long, but it charges quickly. Use it for practice. Think About It….

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Presentation Transcript
slide2
2000 mAh “Little” Robot Battery

3000 mAh “Big” Robot Battery

This battery lasts the longest, but it also takes the longest to charge. Use it in competitions.

This battery doesn’t last that long, but it charges quickly. Use it for practice.

think about it
Think About It…
  • Wouldn’t it make sense to use the battery with a larger capacity?
  • Batteries are “packages” of chemical Potential Energy (PE)
      • PE - stored energy
  • Therefore, the more potential energy you have the more Kinetic Energy (KE) you will have that can be converted for longer lasting game play!
      • KE – energy of motion
smart charger it shuts off automatically1
Smart Charger(It shuts off automatically)

Safe mode:Use this! This mode is designed to make batteries last longer.

Fast mode: Only for competitions. It can reduce battery life.

“No Light” – either the battery or the charger isn’t plugged in

“Charging” – battery charging

“Full” – battery is done charging

aaa joystick battery charger
AAA (Joystick Battery) Charger

The charger can charge 8 AAA or 8 AA batteries but the joysticks only use 6 AA batteries.

joystick batteries
Joystick Batteries
  • Remove the VEXnet key
  • Unscrew the battery compartment
  • Remove the batteries and place on the charger

1

2

3

red lights dead batteries on the robot the joystick
Red Lights = Dead Batteries(on the robot & the joystick)

Robot Light *

* The robot light on the joystick only works if the VEXnet light is green

** no backup battery is only indicated if the competition cable is connected

Joystick Light

* no backup battery is only indicated if the competition cable is connected

charge batteries every night
Charge Batteries Every Night

&

  • Put the joystick batteries on the charger before you leave.
  • Put the big battery on the charger before you leave.
  • Put the little battery on the charger when you first arrive in the morning.
at competitions
At Competitions

After every match:

  • Turn off the joystick*.
  • Put your old battery on the charger.
  • Put a fresh battery on the robot.

* If you forget to turn off the joystick your batteries won’t last for the whole competition.

backup batteries
Backup Batteries

Plug into the Cortex Microcontroller.

  • Sometimes the robot loses power for a second.
  • The backup battery keeps the robot from restarting.
  • Only use for competitions.

One 9 V battery should last all day.

resource
Resource
  • Vex Inventor’s Guide (Insert): Smart Charger • 1