Electronics > Repair
Repair Help for APC UPS BR1500G - F06 error (FIXED!!)
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carlitos287@hotmail.com:
I would like to know how i could change the charging voltage, so that i can raise it up to 14.4v/14.6v. I replaced the batteries on my BR1500G but batteries only gets charged up to about 50% and i only get 50% usable power out of them.....

i replaced my SLAs with LiFePO4 batteries. I also want to connect an external 12v 100ah battery do that i can stay charged for a while when power outages happen here in venezuela.

i am trying to find the "smart" communication on my BR1500G but to no avail.

If anyone can confirm whether the smart communication protocol is available on the BR1500G, or maybe do i need to de-solder the resistor with a different value on the feedback voltage divider as ChatGPT is telling me to do so. ;).

I got two BR1500G, and plan to use it and not waste them. Plus I think if we can use these with LiFePO4 batteries, we can have extra life ou of them.
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