Back-UPS XS 1300 intermittent battery connectivity

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My UPS XS 1300 has developed an intermittent battery connectivity problem. I'm fairly certain I'm going to have to replace the entire unit, but wanted to check here first. It will beep constantly and the battery indicator is empty and flashing. Every so often, it will stop blinking and beeping and at those times, the battery indicator is full. However, after a few seconds or minutes, it resumes empty, blinking and beeping. I pulled the battery out today just to test and it seemed fine. is there any possible way this could, in fact, be the battery? Or am I correct in assuming I need to replace the entire thing?

Thanks,

Scott

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Back-UPS XS 1300 intermittent battery connectivity

Back-UPS XS 1300 intermittent battery connectivity

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