Maintenance

Measuring Specific Gravity
Specific Gravity:   The most accurate and direct way to test the state of charge of a battery cell is to determine the specific gravity of the battery ele...
Fri, 17 Jan, 2020 at 12:41 PM
Operating Temperatures - Discharge, Charge & Storage
Optimal operating temperature is 25ºC (77ºF) Continuous cold temperature operation will reduce battery capacity which is recovered as temperatures rise. C...
Wed, 17 Jun, 2020 at 3:55 PM
Overfill, Case Damage or Leak?
Individual cells in our Rolls Batteries are manufactured with heat-welded covers.  After assembly, cells are air tested for leaks and quality inspected in p...
Wed, 3 Jun, 2020 at 5:57 PM
Preventative Equalization & Frequency
Most multi-phase charge controllers offer pre-programmed equalization schedules commonly referred to as preventative equalizations. These are typically set ...
Wed, 3 Jun, 2020 at 7:26 PM
Preventive Maintenance
Preventive Maintenance When a battery is first received the cell acid levels should be checked and the battery should be put on charge. After removing fro...
Wed, 15 Oct, 2014 at 1:13 PM
Stratification
Rolls deep cycle lead acid batteries contains electrolyte with varying concentrations of water and acid (1.265, 1.250). A battery resting idle for long peri...
Tue, 30 Sep, 2014 at 2:17 PM
Voltage Readings & State of Charge
Voltage Readings Voltage readings will vary and are greatly affected and dependent on whether the battery is being charged, discharged or in stora...
Sun, 9 Jul, 2017 at 11:08 AM