SailNet Community - View Single Post - Battery Voltages vs Capacity
View Single Post
post #2 of Old 09-21-2004
Senior Member
Join Date: Dec 2002
Posts: 552
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 15
Battery Voltages vs Capacity

Open Circuit Voltage is a poor indicator of state of charge - but here’s a rule of thumb:
>12.7 V (rested) = 100%
12.5 V = 75%
12.2 V = 50%
11.9 V = -0-

Note: Recently charged batteries must have Surface Charge removed prior to OCV test. Requires a LARGE load (up to 200A) for 10 seconds or so.
GordMay is offline  
Quote Share with Facebook
For the best viewing experience please update your browser to Google Chrome