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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

ups

  1. M

    UPS drops voltage in battery mode

    Hi there, since this is my first post in this forum, I want to introduce myself first. I am working as a foreign Community Developer and in Disaster relief in the small mountainous country of Lesotho, in southern Africa. I am a qualified electrician, have limited equipment to test onside and...
  2. Vizier87

    Repairing a UPS backup power supply

    Hi guys, It's been a while. Before I actually buy a UPS backup supply, I need some advice and potentially save more than 50 dollars. I found one from a friend (APC ES 500). Naturally, it was already dead. I've hooked it up to the mains and no indicator LED or anything turned on. Dead as a...
  3. M

    Help making mini UPS System

    Hi everyone I have searched for a DIY mini UPS system to connect to a Router, I found this project (the 2nd link) & decided to build it https://electronicseverywhere.blogspot.com.eg/2010/12/mini-ups-system.html simple revised version...
  4. RonaldRandall

    Connecting Inverter Ups with a Solar Panel

    Hi! I may seem a bit dumb here but, please don't be rude. Recently I bought some solar panels for a very cheap rate. I have been thinking to use it at my office. I have this commercial inverter ups system at my office https://www.staticon.ca/product-detail/stativolt-inverter-ups-systems. How can...

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