For Your Reference - Norcold DC0788B Manuel D'installation Et Guide Du Propriétaire

Check the Battery charge Level
A fully charged battery will have a specific gravity reading of between 1.260 and 1.280.
The battery voltage is best indicated when the refrigerator is "ON" and the battery
charging system is "OFF". Charge the battery when the specific gravity reading is less
than 1.200.

For your reference

The wiring diagram shown below is recommended for dual battery hookup (See
.
Art01516)
Disposal
!
WARNING
- Remove the doors from the refrigerator.
- Let the shelves stay in position so that a child may not easily climb inside the
refrigerator.
To prevent the risk of child entrapment, before you discard
your old refrigerator:
*Recommended source:
Sure Power Industries, Inc.
1-800-845-6269
www.Surepower.com
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