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Summary of Contents for Rolls S48-100LFP ESS
- Page 1 ROLLS S48-100LFP ESS BATTERY OPERATING MANUAL Recommended safety, installation, operating, and troubleshooting procedures for Rolls S48-100LFP (Lithium Iron Phosphate) ESS (Energy Storage Systems).
- Page 2 RENEWABLE ENERGY BACKUP SYSTEMS...
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Page 3: Table Of Contents
TABLE OF CONTENTS Rolls S-Series 48V LFP ESS (Energy Storage Systems) Version History/Changelog Product Description Installation Cable Connections, Terminal Torque, Single Battery Installation, Parallel Battery Installation Without Combiner Box With Combiner Box Battery Operation, First Start, LED Indicator Instructions LCD Screen, BMS Protection Summary... - Page 4 This manual provides detailed instructions for safe and proper installation, operation, and care specifically of Rolls S-Series 48V LFP ESS batteries. Please read carefully to clearly understand the operating instructions and any potential safety risks prior to installation.
- Page 5 • Never charge a battery with a deformed or bulging case. • Do not expose a Rolls S-Series 48V LFP ESS batteries to heat more than 60°C (140°F) during operation, and do not store for extended periods of time above 45°C (113°F). Do not incinerate or expose to open flames.
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Page 6: Rolls S-Series 48V Lfp Ess (Energy Storage Systems)
Cabinets installation instruction are available online at: Rolls S-Series LFP ESS Cabinet Assembly Manual. For Rolls S-Series 48V LFP ESS batteries with connectable PC software, the manual is available online at: Rolls LFP Desktop Manual. PANEL FEATURES 9. LCD Display & Navigation 1. - Page 7 Rolls S-Series S48-100LFP ESS can support up to 16 battery packs in parallel and is certified to UL 1973. Parallel batteries can be installed in the modular Rolls LFP ESS cabinet, and expandable up to 32U per cabinet (i.e., Eight S48-100LFP ESS batteries can be configured in a single rack).
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Page 8: Without Combiner Box
WARNING: Series connection of 48V S-Series LFP ESS batteries is not supported. Connecting batteries in series will directly lead to BMS failure under numerous conditions, risking cell health, user safety, and will void the product warranty. WITHOUT COMBINER BOX... -
Page 9: With Combiner Box
WITH COMBINER BOX... - Page 10 LED INDICATOR INSTRUCTIONS ALARM Rolls S-Series 48V LFP ESS batteries have four capacity indicator lights to display the current state-of-charge estimate and charging status, one alarm light for error indication, and one run light. This configuration is consistent across each LFP ESS model.
- Page 11 SOC, and fault information. BMS PROTECTION SUMMARY Rolls S-Series 48V LFP ESS batteries include a built-in battery management system (BMS) which offers protection in conditions where the battery voltage, current, and switch or cell temperature may be unsafe or damaging.
- Page 12 BATTERY PROTECTION RESET METHOD COMMENTS LIMIT Cell/Pack Charge 1. The cell voltage drops to If occurring more than Overvoltage Interruption the overvoltage recovery 3 times in 2 minutes, point (3.4V). discharge is required. 2. When the remaining capacity is lower than 96% of the intermittent charging capacity or discharge current >1A.
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Page 13: Battery Charging
These are specified on the product label and datasheet. Rolls S-Series LFP ESS batteries may cycle or be stored in a partial state-of-charge (PSOC). Rolls S-Series LFP ESS batteries should be cycled from 0% depth of discharge (DOD) or 100% state of charge (SOC), to 80% DOD or 20% SOC for optimal cycle life. -
Page 14: Charging Guidelines
CHARGING GUIDELINES Rolls S-Series 48V LFP ESS batteries may be charged in a 1, 2, or 3-stage charge profile, shown below. The specifics and recommended setpoints for these charge regimes are explained in this section, with the recommended charge profile being a 2-stage charge. -
Page 15: Charging Source: Lead-Acid Battery Charger
CHARGER Customers may choose to replace lead-acid batteries with lithium models. Most leadacid battery chargers may be used to charge Rolls LFP batteries if the charger is properly configured to operate within recommended charge current and voltage limits. The pre-programmed voltage settings for AGM or OPzV GEL models may be in line with LFP charge voltage settings and can sometimes be used if direct voltage control is not possible for your charger. -
Page 16: 2-Stage Charging - Cc/Cv
2-STAGE CHARGING – CC/CV When charging with a two-stage constant current/constant voltage (CC/CV) charger, charge at the recommended charge current, by operating temperature, until the battery reaches the “absorption” voltage or constant voltage (CV) limit. The charger then holds the battery at CV until the charge current decreases to ≤0.05C (termination current). The recommended absorption (constant voltage) voltage is shown below. -
Page 17: 3-Stage Charging - Legacy Lead-Acid Systems, Inverter/Charger Hardware
54.4V Temperature Compensation: If the inverter/charger or charge controller uses temperature compensation this should be turned off when charging Rolls R-Series and S-Series models. Turn off the temperature compensation settings and disconnect the sensor to ensure the correct voltage regulation from the charging device. -
Page 18: Charging Temperature
Rolls S-Series ESS LFP batteries may be safely charged between 0°C to 55°C (32°F to 131°F). However, because cycle wear is accelerated below 10°C (50 °F) the charge should be limited to 0.2C (20% of battery capacity) for optimal longevity. - Page 19 COMMUNICATION INTERFACE The BMS of the battery pack has one CAN bus communication port and two RS-485 communication ports for closed loop communication. Using closed loop communication is not required. All inverters, when set with proper voltage and current setpoints for charge and discharge, can be used with our batteries.
- Page 20 It can be stored by setting the record start time, record end time, and record interval from the PC software settings. The BMS in the Rolls S-Series 48V ESS LFP can store up to 100 historical data records, which can be read by the host computer and...
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Page 21: Parallel Pack Selector Switch 4-Dip, Troubleshooting
When the alarm indication in ON, the type of error is displayed on the LCD screen of the battery pack. Also, when the battery is connected to Rolls LFP Desktop, the warning or error message is displayed in the software. - Page 22 The BMS, or Battery Management System, is an electronic device which protects the cells inside a battery. The BMS used in Rolls R-Series and S-Series LFP batteries protects them from unsafe voltage, current, and temperature conditions. It keeps cells balanced to ensure pack capacity is maintained.
- Page 23 A “cycle” is a somewhat arbitrary term used to describe the process of discharging a fully charged battery down to a particular state of discharge. For Rolls R-Series Batteries, a cycle is defined as 90% depth of discharge, or going from full charge down to 10% state-of-charge.
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Page 24: Appendix
APPENDIX A: INVERTER COMPATIBILITY LIST Compatibility details and communication standard used for compatible inverters are posted below. All inverters, when set with proper voltage and current setpoints for charge and discharge, can be used with our batteries. This list only refers to inverters which can read battery data over CAN bus or RS-485 from connected batteries. - Page 25 3. Unplug the battery power cable and contact the local reseller measure the battery power output or contact support at Rolls voltage. If the battery voltage is too low, Battery. charge it immediately. 4. Check the battery indicator LED to see if the battery is under “Protection”...
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Page 26: Contacts
CONTACTS Surrette Battery Company Ltd. PO Box 2020, 58 Lisgar Street Springhill, Nova Scotia, Canada B0M 1X0 PHONE: 1 902 597 3767 (local) 1 800 681 9914 (toll free) FAX: 1 902 597 8447 (local) 1 800 681 9915 (toll free) CUSTOMER SERVICE: 1 902 597 4005 customerservice@rollsbattery.com... - Page 27 NOTES: ver. 1.1 09/23...
- Page 28 ROLLSBATTERY.COM...
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