Rolls Battery Technical Support
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Knowledge base
Frequently Asked Questions (FAQ)
General
15
What is Amp Hour Capacity?
How Does Temperature Impact Battery Efficiency and Lifespan?
What are Hydrocaps?
What is the Best Battery for Off-Grid Systems?
How to Test Battery and Cell Health?
View all 15
Types of Batteries
4
What is a AGM Battery?
What is a LFP Battery?
What is a Flooded Lead-Acid Battery?
What is a GEL Battery?
LFP
12
How Do I Recycle Rolls LFP Batteries?
What is Balancing?
What Cable Connections Should I Use?
How does a BMS Protect a Rolls LFP Battery?
Can I Connect Rolls LFP Batteries Together in Series/Parallel?
View all 12
Battery Charging
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 / LVCO)
View all 6
Battery Charging - AGM
4
Battery Charging - AGM
Charge Efficiency - AGM Batteries
Delta-Q Charging Algorithms - Rolls VRLA AGM
AGM Discharge Characteristics
Battery Charging - GEL
2
Battery Charging - GEL
Charge Efficiency / Factor - OPzV GEL Batteries
Battery Charging - General
1
End / Return Amps
Battery Installation
General
13
Specific Gravity Temperature Correction
Activating Dry Charged Batteries Instructions
Hydrogen Off-Gas & Ventilation
Calculating Hydrogen Concentration For Proper Ventilation
Recommended Torque Settings - Flooded, AGM, GEL
View all 13
LFP
7
Rolls LFP Drop-in Battery Installation
Terminal Torque - LFP
Rolls LFP ESS - Connecting to Deye Inverters
Rolls LFP ESS - Connecting with Victron Inverters
Rolls LFP ESS - Connecting to Voltronic Inverters
View all 7
Battery Maintenance & Storage
Maintenance
18
Measuring Specific Gravity
Battery Sulfation
Corrective Equalization & Instructions
Voltage Readings & State of Charge
Electrolyte Characteristics
View all 18
Storage
4
Storage - Flooded Battery
Seasonal Properties - Flooded Battery Preparation, Storage & Equalizations
Storage - AGM Battery
Storage - LFP
Battery Specifications
Flooded Lead Acid Batteries
3
Cycle Life vs. Depth of Discharge
Temperature vs. Capacity - Flooded Lead-Acid Batteries
Voltages vs. Depth of Discharge - Series 4000
Product Information
6
AGM Terminals
Factory Seconds ("BLEM") Stock
Product Date Codes
Advanced NAM
Terminal Sizes
View all 6
Battery User Manual
Flooded, AGM & GEL
1
Battery User Manual - Flooded, AGM & GEL
LFP
2
Rolls S48-100LFP ESS Battery Operating Manual
Battery User Manual - LFP Drop-in
Railroad & Diesel Starter
1
Battery User Manual - Railroad & Diesel Starter
Warranty
Rolls Battery Warranty
3
Warranty Claim Form & Battery Test Sheet
Rolls Battery Manufacturer Warranty - Flooded, AGM & GEL Models
Rolls Battery Manufacturer Warranty - LFP Models