If your APC battery backup system requires the RBC7 replacement battery, then this article is for you! By constructing your own RBC7 replacement battery, you could potentially save yourself over forty percent of the cost of buying it pre-made. The RBC7 battery from the APC Company is a 24 volt 17 amp hour battery pack. When we take a closer look at the RBC7, we can see that it is actually two 12 volt 17 amp hour sealed lead acid batteries connected by a single 100 amp fuse to make a 24 volt pack. These sealed lead acid batteries can be purchased from any battery wholesaler locally or it can be purchased a bit more inexpensively via the web.
In order to make your own RBC7 replacement battery you will need a few things. Since you need a RBC7 replacement battery I will be assuming that you have or can gain access to your old RBC7 battery that is in need of replacing. We will be using the parts from the spent RBC7 battery to build our replacement, so we will need full access to the old battery! Once this has been taken care of, all you will need tool wise is a few strips of foam double sided tape, needle nose plies, and a philips head screw driver.
Follow These Simple Steps to Remove The Hardware From The Old RBC7
1. Remove the black plastic terminal covers from both ends of the battery to expose the terminals and hardware
2. Remove the fuse from the battery by holding the nut steady with the needle nose pliers and loosening it with the philips head screw driver
3. Remove the grey anderson clip from the battery
Assembling the new RBC7 Replacement Battery
1. Begin by apply several strips of your foam double sided tape on the terminal side of your 12v 17ah sealed lead acid battery
Once the battery has been taped up, its time to stick it to your other battery. When you do this, make sure the terminals of both batteries are towards each other, in order to allow connecting the fuse and anderson clip
Install the grey anderson clip onto one end of the battery. (Either end will be fine)
3. Install the 100 amp fuse to the battery to make it 24 volts.
4. Re-attach the black plastic terminal covers by applying a few strips of double sided tape to the underside and pressing them into place on the batteries.