FAQ

Default solution folder, feel free to edit or delete it.

Battery & Modular Cell Replacement
Replacement of batteries in an existing bank is generally not recommended, however if replacing a full string of batteries in a system is necessary you may ...
Fri, 28 Aug, 2015 at 10:05 AM
HYDROCAPS
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 e...
Sun, 9 Jul, 2017 at 11:09 AM
Temperature Sensor
Temperature Probe   For additional data and safety, many people choose to install temperature probes inside the battery banks. The probe should be installe...
Mon, 12 Mar, 2018 at 11:43 AM
Seasonal Properties
Many customers choose to setup Renewable Energy systems in properties, remote or otherwise, for seasonal or periodic use.  As with all systems, the battery ...
Thu, 29 Jan, 2015 at 4:26 PM
Case 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...
Tue, 16 Sep, 2014 at 1:05 PM
Cell Replacement
Replacing a battery cell is possible in many of the Series 5000 4V, 6V, 8V or 12V models.  This should only be done when the condition of the remaining cell...
Fri, 5 Sep, 2014 at 3:53 AM
Low Voltage Disconnect (LVD)
Many systems offer the ability to program Low Voltage Disconnect (LVD), triggering an alternate power source (often a generator) to kick in, preventing over...
Wed, 6 Jun, 2018 at 11:04 AM
AGM Terminals
Rolls AGM models are offered with a variety of terminal configuration options.  Terminal type is noted on each model.   To reference the most common t...
Tue, 28 Oct, 2014 at 2:23 PM
Specific Gravity Temperature Correction Factors
When taking specific gravity measurements, it is important to correct for temperature to get a true reading. As a rule of thumb, specific gravity will chang...
Tue, 17 Jul, 2018 at 2:43 PM
Operating Temperature Ranges
Battery capacity and battery recharge times are all based on each cell having an electrolyte temperature of 77ºF (25ºC). Temperatures below the nominal 77 º...
Wed, 13 May, 2015 at 10:29 AM