Battery Monitor Shows Low Voltage - Are My Batteries Too Weak?

Question:

Jeff, while on the boat at anchor I noticed the CD player would stop playing when we ran the water pump. My (4) T105s are 7 yrs old , The xantrex battery monitor read 12.58 but the volt meter on the panel went to 11.4. Is this due to weak batteries? Thanks Keith

Answer:

Hi Keith,

Yep, based on the info provided, definitely sounds like you have weak batteries, a voltage of 11.4 volts is too low and many electrical devices won’t work at that voltage. - Jeff

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