The Replacement Battery Cartridge #117 from APC is designed, tested, and certified for compatibility to restore the performance of compatible UPS units to their original specifications, which is a 3- to 5-year lifespan. Since APC RBCs are hot-swappable, no network downtime is required in order to install them.

Compatible with Select APC UPS Units    3 to 5 Year Lifespan    Hot-Swappable    No Network Downtime During Installation

Helps ensures clean, uninterrupted power to protected equipment while batteries are being replaced.

Related Questions and Answers

Q: 1. Based on answers, I see that you have to remove the end pieces with an Allen wrench to insert a roll of seamless or muslin background, I can only loosen one of the Allen screws and can't get the end pieces off, is this normal?

A: The screw can be removed with your fingers. No tools necessary.

Q: 2. What is the max and minimum diameter of this holder?

A: Minimum Extension 44.1" and Maximum Extension 117.3" and Tube Diameter 32, 28, 24 mm

Q: 3. How to attach to a manfrotto autopole?

A: A superclamp and small pin would be needed

Q: 4. Any way to remove one of the plastic endcaps in order to insert the pole into the cardboard tube of a vinyl backdrop? With the plastic endcaps on, this pole does not fit through the cardboard tube of my vinyl backdrop. Thank you for your suggestions.

A: The endcaps can be removed

Q: 5. Aside from the price and colour, what are the differences between the Manfrotto 272B Adjustable Background Holder (108 ) and the Manfrotto 2983 Adjustable Background Holder Crossbar (108 )?

A: I only have the 272B Holder. If you want to use a short roll of paper seamless (or long roll, too) you have to remove one of the ends with an allen wrench. The rolls do not fit over the stand connectors.

Q: 6. What is the actual collapsed length of this pole end to end?

A: I just measured the pole and it is exactly 45 and 1/4 inches.

Q: 7. What is the maximum load weight?

A: This is designed to hold backgrounds it would not be suitable for any other purpose.

Q: 8. Is it possible to connect 2 of this to get double the length? of course with 3 stands....thanks

A: i have used a screw on adapter on the end of the middle light stand to attach two.

Q: 9. Is the pole adjustable? My wall is 5-6 feet long could I adjust to fit this? in length

A: This can be adjusted to any size between 3.7'and 9'.

Q: 10. Is the 272B background holder bar stronger then the Manfrotto 272? I want to hang a 9x20 Westclott green screen from it. Than you anyone for any and all help.

A: I don't see why the 272 or 272b isn't sturdy enough for most backdrops. However, an alternative is to buy a couple grip heads and run 10' of schedule 40 pipe between them.