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Comments by Kerron L.
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Understanding battery capacity: Ah is not A
- 31 May 2017Thank you very much, Jan!
K :)
Understanding battery capacity: Ah is not A
- 30 May 2017Hi there and thank you very much, Jan, for this very informative and long-lived thread! I've read quite a few of the posts and am developing a better understanding of some basics but I was hoping you could confirm my understanding of something I'm wanting to do. I have a battery pack (designed to run a CPAP machine) that has the following specs printed on it - Capacity: 98WH; Input: DC 24V/90W; Output: DC 24V/ 3.75A. I'm wanting to connect this powerful battery pack to a lesser device, the AC plug/adapter for which has the following printed on it: Input: 100-240V-, 50-60hz, 1.0A; Output: +18V, 1.67A.
If I assume that the 18V, 1.67A output of the AC plug is what the device needs, I believe I would be risking damage to the device if the battery's output is significantly higher, at 24V(?). Is that correct? If the voltage was the same do I understand correctly that the higher A rating on the battery (3.75A) would not be an issue because the device would only draw what it needs (1.67A)?
Thank you,
Kerron