Mailinglist Archive: opensuse (1620 mails)

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Re: [opensuse] UPS : replacing battery with 12 volt Jelly Car Battery
On 11/25/2014 01:35 PM, Anton Aylward wrote:
19V to 2.2V is one hell of a drop!

It's a significant voltage drop, but not a power drop with a switching
supply. The current would go up by a similar ratio. If a linear
regulator were used, you'd lose almost 90% of the power as heat.
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