Question add anther 12v-7ah battery to my 600va UPS?

[Alipompo1]

I have a system max SMU-600SLU ups with a power of 600va/360watt and now I need a higher ups with a power of 1000va
When searching I found a system max model with a power of 1000va/600watt It even has the same shape, but the width of the 1000va UPS is slightly wider
When looking at the specifications i found that the ups 600va and ups 1000va have the same technical specifications such as (Output Frequency - Input Voltage Range - ....) and there is no difference at all.
The only difference is that the 600va UPS has one 12v-7ah battery and the 1000va UPS has 2 12v-7ah batteries.
These are the specifications of the two devices:
ups 600va : https://drive.google.com/file/d/11PROBFduBWf0hpFcYjXcmniFWOPCdIuu/view?usp=sharing
ups 1000va : https://drive.google.com/file/d/13UhXh1X72PrYLcmiuXXorT6uGHu6hXS-/view?usp=sharing

Forgive me for my ignorance about UPS devices but I thought about buying another 12v-7watt battery and connecting it next to the battery in the 600va UPS, and The UPS becomes 1000va/600watt ! Because as you can see in the screenshot the specifications are the same and there is no difference
so, If I add another battery, will there be problems?
---------------------------------------------------------------
this is a screenshot of the user guide found in my UPS 600va box:
https://drive.google.com/file/d/1VyQS52I9ccOhK-kamcNVj5cnpeXwfTfC/view?usp=sharing

Sorry for the long post
Thanks

 

[kanewolf]

I have a system max SMU-600SLU ups with a power of 600va/360watt and now I need a higher ups with a power of 1000va
When searching I found a system max model with a power of 1000va/600watt It even has the same shape, but the width of the 1000va UPS is slightly wider
When looking at the specifications i found that the ups 600va and ups 1000va have the same technical specifications such as (Output Frequency - Input Voltage Range - ....) and there is no difference at all.
The only difference is that the 600va UPS has one 12v-7ah battery and the 1000va UPS has 2 12v-7ah batteries.
These are the specifications of the two devices:
ups 600va : https://drive.google.com/file/d/11PROBFduBWf0hpFcYjXcmniFWOPCdIuu/view?usp=sharing
ups 1000va : https://drive.google.com/file/d/13UhXh1X72PrYLcmiuXXorT6uGHu6hXS-/view?usp=sharing

Forgive me for my ignorance about UPS devices but I thought about buying another 12v-7watt battery and connecting it next to the battery in the 600va UPS, and The UPS becomes 1000va/600watt ! Because as you can see in the screenshot the specifications are the same and there is no difference
so, If I add another battery, will there be problems?
---------------------------------------------------------------
this is a screenshot of the user guide found in my UPS 600va box:
https://drive.google.com/file/d/1VyQS52I9ccOhK-kamcNVj5cnpeXwfTfC/view?usp=sharing

Sorry for the long post
Thanks

The components that convert DC to AC voltage in the 1000VA are going to be designed for higher current than the 600VA device. That might mean heat sinks, thicker wires, thicker traces on circuit boards. You could add a battery to your UPS (NOT RECOMMENDED) and get longer run time at the same limits. But the VA limitations won't change.