Technical Support

FAQ 14

• Battery Selection for Off-Grid Systems
• Cell Failure Test
• Cold Crank Amps
• Deficit Cycling
• Discharge Rates

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Battery Charging - Gel 2

• Battery Charging - Gel
• Charge Efficiency - OPzV GEL Batteries

Battery Charging - AGM 3

• AGM Charging
• Charge Efficiency - AGM Batteries
• Delta-Q Charging Algorithms - Rolls VRLA AGM

Battery Charging - Flooded Lead Acid 6

• Calculating Proper Charge Settings for Rolls Flooded Lead-Acid Batteries
• Charge Efficiency - Flooded Lead-Acid Battery
• Pulse Charging - Flooded Lead-Acid Models
• State of Charge - Flooded Lead Acid Batteries
• Low Voltage Disconnect (LVD or LVCO)

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Charge Settings - General 1

• End Amps or Return Amps

Installation 14

• Activating Instructions Dry Charged Batteries (detailed)
• Battery Box Design
• Battery Orientation
• BCI Sizing, Battery & Modular Cell Replacement
• Calculating Hydrogen Concentration For Proper Ventilation

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Maintenance 17

• 12 Month Maintenance Schedule - Flooded Lead-Acid Batteries
• Acid Spills
• Battery Sulfation
• Cleaning - Batteries & Terminals
• Cleaning Vent Caps

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Storage 4

• Flooded Battery Storage
• Seasonal Properties - Flooded Battery Preparation, Storage & Equalizations
• AGM Battery Storage
• Rolls R-Series 12V & 24V LFP Model Storage

Graphs - AGM 1

• AGM Discharge Characteristics

Graphs - Flooded Lead Acid Batteries 5

• Cycle Life vs. Depth of Discharge - Series 4000
• Cycle Life vs. Depth of Discharge - Series 5000
• Cycle Life vs. Depth of Discharge - Series 4500
• Temperature vs. Capacity - Flooded Lead Acid Batteries
• Voltages vs. Depth of Discharge - Series 4000

Product Information 8

• Advanced NAM
• AGM Terminals
• Product Date Codes
• Discontinued Models
• Factory Seconds ("BLEM") Stock

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Rolls Battery User Manual - Flooded, AGM & GEL 1

• Battery User Manual - Flooded, AGM & GEL

Rolls LFP Battery Operating Manual 2

• Rolls S24-2800LFP & S48-6650LFP ESS Operating Manual
• Rolls LFP Connect

Rolls Railroad & Diesel Starter Battery User Manual 1

• Railroad & Diesel Starter Battery User Manual

Rolls Battery Warranty 3

• Rolls Battery Manufacturer Warranty - Flooded, AGM & GEL Models
• Rolls Battery S24-2800LFP & S48-6650LFP ESS Warranty
• Warranty Claim Form & Battery Test Sheet