Tag Archives: batteries

Carbon Monoxide Detector Still Beeping After Replacing Batteries? (It’s Not the Battery!)

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TL;DR: If your carbon monoxide detector keeps beeping after you replaced the batteries, it’s probably not a battery issue at all. Most CO detectors have a 10-year end-of-life timer built into the unit. Once it expires, no amount of fresh batteries will stop the beeping. The only fix is to replace the entire unit. Here’s how to tell the difference and what to buy next. What Happened My Kidde carbon monoxide detector started chirping. Two quick beeps every 30 seconds

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Dell PowerEdge 1950 & 2950 CMOS/RAID battery

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The Dell PowerEdge 1950 3rd generation server uses a standard CR2032 battery for CMOS/BIOS purposes. If your server is showing an orange warning on the front panel about low battery, you can buy a replacement battery here for less than $5 USD: 3 Volts, 2032, 2 batteries (Lithium Button Cell) CR2032http://www.amazon.com/gp/product/B0002DSVS8/This pair of three-volt lithium coin batteries is perfect for servers. 20mm diameter and 3.2mm height. Likewise, if the RAID controller’s battery is low you can find replacements starting at

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Off the grid solar system maintenance

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This morning I performed a couple simple maintenance tasks for our off-the-grid solar system: Washing the solar panels This is actually optional maintenance, as you don’t have to wash your panels. However, keeping solar panels clean and free of dust etc. can appreciably boost your power output. After washing the panels (it has been pretty dry and dusty lately) I had about 10% more electricity being generated. Woot! Adding distilled water to the batteries Flooded lead acid* batteries periodically require distilled

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