Do battery powered exit signs exist Ul 924 runtime, nfpa 101 testing tips inside. Battery powered exit signs only do not exist
Battery Exit Signs - UL924 Approved
All batteries have a runtime and after continued use, the battery life gets shorter and shorter
An exit sign is not capable of being powered by only a battery, since after only a short time the battery would be drained and the exit sign would rendered useless
Self powered exit signs are a great alternative.