Tutorial: Modding 4 x 7.4v 18650 Lithium Ion Battery w/Barrel Wire & 8.4v Charger

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Information Technology (IT), Architecture, Engineering, Physics, Science
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10th - 12th Grade
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary caution mentioned when handling lithium batteries?
They should be handled by children.
They can be modified without any precautions.
They require absolute care and preferably professional guidance.
They are safe to use in any condition.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT listed as a required material for the battery modification?
Wire strippers
PVC insulation tape
Scissors
JST pH connector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the barrel wire in the battery modification process?
To insulate the battery
To measure the battery voltage
To connect the battery to an Arduino board
To charge the battery
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in modifying the lithium battery?
Taping the wires together
Cutting the JST wire
Stripping the barrel wire
Connecting the battery to the Arduino board
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to ensure no bare wires are sticking out after taping?
It helps in charging the battery faster.
It makes the battery look better.
It prevents potential short circuits and hazards.
It improves the battery's performance.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main component used to create the charger?
A lithium battery
A JST pH connector
An 8.4 Volt AC/DC adapter
A 5.5mm barrel wire
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates that the battery is charging when using the AC/DC adapter?
The adapter turns green.
The adapter turns yellow.
The adapter turns red.
The adapter turns blue.
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Tutorial: Modding 4 x 7.4v 18650 Lithium Ion Battery w/Barrel Wire & 8.4v Charger

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