Elmdene 7422-sfg-g3f Manual ((better)) · Simple & High-Quality

: Connection for the negative lead of the rechargeable backup battery. Diagnostic LED Indicators

Ensure you use a genuine lithium battery pack like the 7422-SFG-RF for reliable backup during power failures. elmdene 7422-sfg-g3f manual

The G3F variant includes intelligent battery charging: : Connection for the negative lead of the