Philadelphia undervoltage alarm VRLA FlexiTap (plug-in tap / external display)
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- Philadelphia low voltage alarm
- Alerts you with a warning tone and red LED when the battery is no longer sufficiently charged
- Prevents long-term damage to the battery
- LED lights up green when the charge level is acceptable
- Installation via insertion handles
- Set includes 4x cable ties to secure the cables
- Only for VRLA batteries in sealed designs.