- http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BE700G-GR
- https://en.wikipedia.org/wiki/APC_by_Schneider_Electric
After a couple of unexplainable break-downs through the last like 6 months I have to replace the battery. How did the break-downs look like? The device attached through the USB interface got a power outage signaled, and that device sent out a message via e-mail. The first couple of times it looked like after the short power outage the USP recovered and everything was fine. (Now I actually started doubting, there was any true power outage at all.) The last couple of times the USP went down, it did not recover by itself any longer, but there was an ongoing continuous whistling. (I did not look this phenomenon up in the user manual, as I was too busy with my daily “business”. Now I know I should have done that, and I should have ordered a replacement battery then.) Now “usually” I switched the device of for like half an hour, and after that I switched it on again, and everything looked fine. This week the USP went down and had this ongoing whistling, and after the “switched off” period the restart failed after a couple of seconds and the whistling started again. I tried a couple of times, then I read the manual and learned, that the ongoing whistling means “end of life” for the battery. Actually I never noticed the constant change between the green and the red LED – but I wasn’t able to notice that anyway.
Update 2017-03-04: I searched for the new battery on Amazon. The cheapest possible could not get delivered to a DHL Packstation. So I kept choosing a more expensive one, until delivery to a DHL Packstation got accepted. My local “Conrad” store wanted more money than that. I will bring the old battery to the next BSR “office” “in the future”.
Update 2017-03-06: Now I know, that 3 years are about a UPS battery’s lifetime. At least: once my NAS will start telling me about power outages again, I will know it’s about time to order a new battery 😉
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