Tag Archives: batteries

Dell PowerEdge 1950 & 2950 CMOS/RAID battery

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

Off the grid solar system maintenance

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┬áto 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