Adapters to go from the car battery terminals to threaded rod.. . Then a float charger designed and installed, if the charging circuit of the UPS was disabled, .
When you replace them, you pay a bundle, even if it's a standard cell.. Those UPS devices you buy for your computer usually have a gel-cell battery that lasts for a. the core charge with an old motorcycle or car battery you have lying around.
Thinking about using an almost new 12 volt auto battery to replace the sealed traditional battery in my APC 725. Bought this 725 years ago and .