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 storage ...
Tue, 18 Aug, 2020 at 2:31 PM