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You want to use the Battery side for devices to have Uninterruptable power. The Surge side just acts like a surge protector/power strip and will not keep a device going when the power from the wall "flickers"
Sorry, there was a problem. Please try again later.Thank you for your inquiry and taking the time to review one of our UPS units. We appreciate the feedback. Please make sure that you plug your computer monitor and tower to the battery + surge protection outlets because the surge only outlets does not provide battery back up power during outages. You may also reach us out via chat: https://www.apc.com/us/en/tools/chat/, if you have more inquiries about your APC UPS.
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