May 20, 2022 · DIY DC UPS for router « on: May 20, 2022, 07:19:06 pm » I've been trying to design an uninterruptable power supply for a router that is supplied by a 12V dc power brick.

Oct 20, 2021 · Re: diy 12V ups questions « Reply #5 on: October 25, 2021, 04:15:36 pm » I've had a stupid charger/powersupply adjusted to 13 V connected to a small 12V lead battery for 6 …

Aug 5, 2020 · Yeah, power the DUT from the UPS, just disconnect the internal ground going to the output socket to make it fully isolated. In my case I installed a 24V 20A switching power …

Oct 19, 2012 · Re: Raspberry Pi server with diy UPS « Reply #22 on: March 04, 2015, 04:02:57 am » Hi Daniel; I see that this thread is a little dated but your circuit is very nice and I'm …

Jun 20, 2024 · What I have now is an "DIY" UPS I have put together with external batteries, an RV charger/converter, and an inverter. This thread is about me trying to get rid of the inverter. I …

Feb 26, 2018 · And a 2 kVA output UPS at 70% efficiency is dumping 850 watts of heat out all day long if it's at full load. On voltage: 48V is the absolute minimum. I had a 5 kVA UPS that ran …

May 10, 2021 · The UPS supplies have relays that close when the AC goes down to trigger a PLC or some kind of warning indicator. I had the idea of feeding one of the 12V batteries through …

Jan 13, 2024 · The immediate use case for this is to replace an RV-style converter charger I have as part of a cobbled together DIY UPS. It's a double conversion architecture, so the converter …

Mar 27, 2020 · Hi I am using a 3s BMS board for my battery pack to make it use as a DIY UPS from my modem. So I need to plug in the charger adapter to the battery pack and battery pack …

Jul 30, 2018 · Re: Using mosfet as efficient diode (Making an UPS) « Reply #3 on: July 30, 2018, 05:22:13 am » Alright I think I have it: If I do that, the mosfet will be on as long as long as the …