Steinberg Systems SBS-BT-918 Manual De Instrucciones página 30

3) "SUGGEST REPLACE" message means it is recommended to replace the battery
("SOH" on low):
4) "CHARGE & RETEST" message indicates that the battery needs to be recharged
and a retest performed due to a low voltage value:
"SOH" level
> 80%
> 60%
> 45%
< 45%
3.3.3. "START-UP LOAD" - start-up test
1. Connect the red clamp terminal to the positive terminal of the battery and the
black clamp terminal to the negative terminal.
Very good battery condition
Good battery status
Battery nearing depletion
Battery exhausted, replacement necessary
Request