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## How Does Cordless Drill Work?
1. How does a cordless drill operate without a power cord?
2. What powers a cordless drill?
3. How is the battery of a cordless drill recharged?
## Answer.
1. Cordless drills operate without a power cord by using a rechargeable battery as their power source. This allows users to move freely without being tethered to an electrical outlet.
2. The power for a cordless drill comes from a rechargeable battery pack, typically made of lithium-ion cells. These batteries provide the necessary voltage and current to drive the electric motor in the drill.
3. The battery of a cordless drill is recharged using a charger that is usually included in the purchase of the drill. The battery pack is removed from the drill and placed into the charger, which is then plugged into a power outlet. The charger replenishes the battery's energy, allowing it to be used again. Some cordless drills come with fast chargers that can provide a quick charge in a short amount of time, while others may take longer to fully charge.
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