Rolls Battery Technical Support
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General
Default solution folder, feel free to edit or delete it.
The following information has been sourced via: http://all-about-lead-acid-batteries.capnfatz.com/all-about-lead-acid-batteries/lead-acid-battery-fundamenta...
Thu, 25 Mar, 2021 at 3:05 PM
Battery capacity and battery recharge times are all based on each cell having an electrolyte temperature of 25ºC (77ºF). Temperatures below the nominal 25ºC...
Wed, 6 Sep, 2023 at 2:45 PM
To fully charge any storage battery a certain amount of overcharge is necessary. This overcharging equalizes the power in the cells of the battery. As ...
Mon, 11 Sep, 2023 at 11:08 AM
Choosing the appropriate battery for the application is key to long battery life and performance. Once the load is calculated, a battery bank should be sele...
Wed, 6 Sep, 2023 at 2:49 PM
To test battery health and determine if a cell may not be performing you may perform a voltage check on all batteries in the string when they beginning the ...
Wed, 6 Sep, 2023 at 2:51 PM
Rolls batteries have been designed to provide many cycles and therefore long life. This long life, however, is dependent on the correct charging regime. ...
Wed, 6 Sep, 2023 at 3:10 PM
Discharge and recharge rates should be considered when selecting and sizing a battery bank. Battery manufacturers publish multiple discharge rates for each ...
Fri, 8 Sep, 2023 at 11:41 AM
Peukert's Formula, T = C / In (or C = T * In) C is theoretical capacity (in Amp-Hours (AH), equal to actual capacity at one Amp) I is current (in ...
Fri, 8 Sep, 2023 at 12:18 PM
RC (Reserve Capacity) - the number of minutes that the battery can deliver 25 amps while keeping its voltage above 10.5 volts. Typically a deep discharg...
Fri, 8 Sep, 2023 at 12:20 PM
CCA (Cold Cranking Amps) - the number of amps that the battery can produce at 0 degrees F for 30 seconds.
Fri, 8 Sep, 2023 at 12:22 PM