William,
Our typical battery support : Start with concrete slab
which should be the foundation for the shed the power system is in, next
pressure treated wood of various dimensions depending on battery height,
next 3/4" plywood, next 40 mil PVC shower pan liner on bottom and runs
up sides ~4-5" which acts as an acid tray. Add batteries. The center
to centers of the pressure treat depends on batteries (T-105s or Rolls
CS-21P or??). We've never discovered any rot, not sure how conduction
would happen with the 40 mil PVC liner there.
A wooden support enclosure leaves much more room for
installation flexibility, onsite mods. Many times after a battery
replacement in 15+ years there is the need for new support/enclosure due
to power changes. $.02 from Taylorsville
Bill
Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.
Taylorsville, CA 95983
530.284.7849
CA Lic 874049
www.frenergy.net
On 4/3/2019 3:05 PM, William Miller wrote:
Friends:
For years we have been supporting large form-factor flooded battery
trays by setting them on pressure treat 4X4s. We have developed a
cradle we bolt onto a special-order, narrow pallet jack and roll them
over the wood supports. It is not a seismic solution, but it works.
Just today I have learned that at least one large battery manufacturer
is recommending against using any form of wood, apparently due to the
potential for rot and/or conductive paths. I am told that the
solution is steel racking with plastic covers over the steel.
How are the rest of you supporting your large flooded batteries?
Thanks in advance,
William
Miller Solar
17395 Oak Road, Atascadero, CA 93422
805-438-5600
www.millersolar.com <http://www.millersolar.com/>
CA Lic. 773985
Quote of the day: “If there is a job you hate, get really,
really good at it. Maybe you will hate it less.“ W. Miller
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