Recent content by tdougherty08
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Laptop Power Supply: How to Charge Battery Externally
Bob, Here's what I did. I hooked up (for power dissipation reasons) a brake light bulb 25w I had laying around and now I have a charging current of around 1.38A and the charging voltage is right where it needs to be 19.-- v . Thanks for the heads up. -Tad KI6ZAO Ham- tdougherty08
- Post #4
- Forum: Electrical Engineering
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Laptop Power Supply: How to Charge Battery Externally
Thanks for the quick reply Bob, I'll give it shot this afternoon and if it works I will let you know. -Tad- tdougherty08
- Post #3
- Forum: Electrical Engineering
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Laptop Power Supply: How to Charge Battery Externally
Greetings, Does anyone know how to use a laptop's charger to externally charge its battery? I am using a battery from an old DELL laptop to power my handheld radio. I wish to use the charger that came with the computer to rejuvenate the battery, however, the charger circuitry is smarter...- tdougherty08
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- Laptop Power Power supply Supply
- Replies: 3
- Forum: Electrical Engineering