Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:Re: Battery Reserve Capacity Calculations - 2nd Posting
From:westydriver
Date:Sat, 12 Oct 2002 08:40:21 -0600

assume that you will get 4.5 and be happy if you get 5.  this will keep
you in the plus or minus variance.
jimt
On Friday, Oct 11, 2002, at 21:04 America/Denver, Larry Chase wrote:
> I'm getting ready to do some Battery requirement calculations.
>
> Assuming a OPTIMA D750 Yellow Top Deep Cycle Battery
>
> Rated at 120 minutes of Reserve Capacity at a 25 Amp draw.
>
> Specifications.
>
> Reserve Capacity - Minutes: 124
> Capacity (C/2 rate) - Amp Hours: 52
> Capacity (C20 rate) - Amp Hours: 65
>
> Am I correct in assuming that a 10 Amp Per Hour Power requirement
> would mean this battery would last 5 hours before needing a recharge?