Can a 12V 7Ah UPS Inverter ( 220v ) run with a 14.8V 150Ah Battery ?

In this video I will do a test to find out if a 600va computer UPS inverter can handle 14.8 v 150Ah truck battery because it is designed to operate with a 12 volts 7ah battery.

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[MrElectron]

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[Subgunman]

Good video!
1. You need to clean the battery. Any humidity in the air will cause the dirt on top of the battery to conduct and discharge the battery.
2. Batteries with plastic cases do not need to be placed on any type of insulator when on the ground or concrete. This was only a problem with the early batteries that used a porous rubber case around the cells.
3. Take some time and clean out the inside of the inverter. Dirt in there plus humidity will cause shorts and problems with the inverter.
4. Add a fan to the driver transistors heatsink inside the inverter and make sure to add additional cooling holes. It will prolong the life of the inverter. Heat inside the box will kill the electrolytic capacitors and the mosfets used to create the higher output voltage. Remember that manufactures use cheap Chinese caps that fail with heat. I sometimes replace all of the electrolytics with temperature rating greater than those originally supplied with the inverter.

Keep up the good work, now on to solar charging of the battery!

[skopyhoTechChannel]

UPS might overheat when large capacity battery is used. heatsink inside UPS is usually small and not designed to long continuous operation because manufacture expect that battery will get discharged before internal components overheats. you should add fan to cool internals of ups.

[uwefrotscher]

My hero! whenever I see his experiments and his ideas he makes me laugh. They are pure abilities, without any special effects - just great.

[TheLastSock]

the size of the battery is irelevent, you can stick a 12v battery and it will still run, the UPS only draws the current it needs, so for the original 7Ah that might have lasted say 10mins on ups, the larger 150A will last maybe 10-15 times longer, the longer still. Some off grid houses use submarine batteries with their ups, ive been using an old 270Ah marine battery on my old 500w inverter without any issues, standard lead acid batterys will eventually fail as they are not designed for deep cycling.

[chandruasp]

I used the same with 60Ah car battery and sepperate smps tuned to 14.2v for Battlery charging. Still working nice.

[deanbevier]

I have a standard UPS/Very large telecommunications backup battery type system. I put it together years ago. It charges passively and does not do anything until the power goes. It can keep all my devices and network up for a day. (I generally use it for my full size fride/freezer though) Nice to see somebody else "sort of" use a similar system.

[mikeshashu]

Kind of genuine channels I love... No weird free energy junk👊😄

[jeffcameron]

Love your videos dude. Making cool stuff with junk. Lots of videos show expensive equipment that I just can't afford.

[binilraag]

Since Mr Electron is using an old battery, he can experiment with it. But for people who are going to try this with a new battery, please note that for tubular battery, you need atleast 6 to 8 ampere of charging current. The built in charger of the ups only produces around 1 amps of charging current.

As Mr Electron is showing in the video, he is using a separate charger for charging the battery.

Now if you guys want to use a new battery with a computer ups, add a charger with atleast 8 amps for 100ah batteries, 10 amps for 150ah batteries with a cutoff of 14.4v.

[JeanDidier]

Ah so this is actually possible!!!
Thought about it but was too scared to try. Thank you!

[danieladonis]

Corrosion around the positive terminal is generally believed to be the result of overcharging from the alternator

[karthikmani]

How can I use this pump for washing machine were no water pressure

[skaterawalsien]

Good day!, my analysis w/ ur vlog is ok provided that u step up d amps of ur UPS w/ d intent of longer time capacity, , , well i sugest if orig 12v7ah backup batt to beefup to higher 100ah u will provide a doublethrowswitch to jump the existing orig backup power w/ a required higher 12vamp

[lvgejes]

I run a 1000w UPS that was designed for 4 x 7.2AH in series (48V) with 4 x 190AH batteries. Now my battery bank is 200 kilos but it lasts for around 8 hours at half load giving me time to plug in my generator. Thanks for this great work and to answer your question, overcharging. Cover your terminal with grease, it will last for ages giving you much needed peace.

[shubhamchandra]

From personal experience;
33Ah car battery with a frontech electra,
Do not plug in anything more than 150W. I thought aside from the routers and CCTV, a TV would be fine, but NO. Used with a TV for 2 weeks, and the last time when the TV was on, for 20 minutes, the battery input wires caught fire on the PCB. The traces are not large enough to carry enough current. Plug in light appliances.

[paramdyutidasprodip]

Thanks for your excellent presentations.

[sankalpfauzdar]

My query different regarding this clamp meter is it's accuracy is good ? Are you satisfied mater's performance ?

[m.s.m]

Can you make a "workshop tour" to show us from where comes these fabulous inventions... great video BTW

[vaseemmehrancp]

Most of the Computer UPSs were designed to work under 30 minutes to save the making cost battery size. Connecting bigger batteries like 150Ah, there are some problems ahead,
Transformer material are chosen cheaper rather than heat factors. Power switching devices like MOSFETs are also cheaper.
Charging current for 150Ah battery is not sufficient from such UPSs .. they Might take larger time to get full charged.
But I appreciate the way of your language and demonstration .. nice