BR1500MS external battery pack.

Anonymous user · ‎2021-06-28

I am interested in this UPS https://www.apc.com/shop/us/en/products/Back-UPS-PRO-BR-1500VA-SineWave-10-Outlets-2-USB-Charging-Po... because it is compatible with PFC power supplies. I want to know if this unit has the option to expand with external battery packs like this https://www.apc.com/shop/us/en/products/APC-Back-UPS-Pro-External-Battery-Pack-for-1500VA-Back-UPS-P...

The description for this battery pack says it is for the BR1500G. Will it also work with the BR1500MS? Also, is it safe to plug non-PFC stuff into a PFC compatible UPS?

BillP · ‎2021-06-28

Hi Travis,

The BR1500MS unfortunately does not have extended run capability, such as what the BR1500G has. Additionally, both units are compatible with PFC power supplies. The difference is that one outputs a Pure Sinewave (BR1500MS) and one outputs a Step-Approximated Sinewave (BR1500G). Some will say that Step Approximated Sine-waves can not support PFC/APFC power supplies, however this is not the case. Modifications have been made to the operation of the BR1500G so that it can support such a device. There is no concern with plugging non-PFC devices into a PFC device.

Secret Squirrel

See Answer In Context

BillP · ‎2021-06-28

Hi Travis,

The BR1500MS unfortunately does not have extended run capability, such as what the BR1500G has. Additionally, both units are compatible with PFC power supplies. The difference is that one outputs a Pure Sinewave (BR1500MS) and one outputs a Step-Approximated Sinewave (BR1500G). Some will say that Step Approximated Sine-waves can not support PFC/APFC power supplies, however this is not the case. Modifications have been made to the operation of the BR1500G so that it can support such a device. There is no concern with plugging non-PFC devices into a PFC device.

Secret Squirrel