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Re: How to set up Power backup using Batteries and an...
Having only two batteries and an inverter is not an UPS (uninterrupted power supply) does not make a backup power system.
How are the batteries charged up and maintained?
What is the output voltage from the inverter?
Does this voltage suit the Netgear wireless router?
I suggest you get a proper UPS and connect the Netgear power adapter to the UPS. There are small UPS units available 350VA which will suit your needs.
I use a larger UPS from APC for my computer and my wireless router and found the unit very reliable.
Check out APC WEB site - click on this link - then your country and select back-UPS ES for home computers :- www.apc.com
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there are 2 parts of a UPS . the charge side and (battery is obvious) the inverter side. if the charger fails, all is lost. (are the batteries in backwards?) if the charger works (volt meter tells you that) then the inverter is bad. (this unit is not full time UPS , but part time, this means it switches over to inverter at power fail. (on full time sys. inverter runs full time, like the name states) the unit, you mean the load right.? the UPS side plugged into a load. and the load is now dead.
the Backup plugs should work if the mains are hot. if you kill mains, the inverter will fire off, (hear the squeal?) and give you 500 watts for some minutes, sucking the batteries dry. (see load run time curves) I used to do service on HUGE UPS systems, some with 100s of batteries. 3 to 5kw too. on ours there is a port on the rear , we connect and can check everything "BEST brand" even charge voltage. did you look on APC site for special software and connections?
the manual does cover trouble shooting, ever read that? RTM? start there, its online, for sure.
This a possible failure of the voltage detection circuit in the inverter main board and requires the fault be identified by checking the voltage/current feed/limiter to the battery. Once when the battery voltage has reached the threshold set up the charging should stop and then the circuit will analyse the voltage on the board to trigger the charging to be put ON. This can be a failure of the detection circuit and if not checked can damage the battery.
Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage may show 13 volts, this may only be a float charge/voltage and a true indication of the battery voltage and condition requires the batteries to be tested under a load. There maybe one battery in a set of batteries that is faulty and causes the whole battery system to fail and indicate a battery fault. These lower powered and cheaper KVA type UPS are switch over types, when the mains supply fail, the UPS switches over to the battery and inverter in milli-seconds which then supplies mains power but the power waveform is a pseudo sine wave (ie not a true sinewave. A faulty inverter circuit and or flat batteries won’t deliver standby power when the mains supply fails.
1. Put yor adapter WIFI to open location,,like a top on building but u mus cover to protect from rain and sun
2. using external antena..
3. buy the best product.
4st your powe on laptop to powerfull performance
that's a sure sign that you are in low battery condition, and the inverter is approaching shutdown. You may need to either deep recharge the batteries, with NO load, or replace them completely. Got Backup?