Thursdays are usually maintenance day for the electrical power supply company in my area. So there was nearly a full day power cut. Luckily, I have a UPS so that sorts out the problem for 8-9 hours. The lead acid battery I use for my UPS is about 3-4 years old, and these being unsealed batteries they last long, really long if maintained properly.
In the past I have had one such battery last for a decade before requiring a replacement.
Unsealed lead acid batteries require two important maintenance activities:
I have a desktop machine with a Corsair SMPS which has active power factor correction. I had a Luminous 675 VA UPS before buying my new desktop machine with this SMPS. The cheapo power supplies available in India (which cost a fourth of the cost of branded ones like Corsair, etc) do not employ power factor correction.
When I was deciding on the configuration of my machine, I decided to buy the latest Intel i5 (i5-4670). The processor had been launched just around a month or two ago. I also bought Gigabyte motherboard and Corsair cabinet after recommendations from many geeky friends […]