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E G 4 ® W A L L M O U N T I N D O O R
2 8 0 A h L I T H I U M B A T T E R Y
T R O U B L E S H O O T I N G A N D
The purpose of this document is to educate the end-user on troubleshooting and maintaining
the integrity of the WallMount Indoor 280Ah lithium battery.
©2024 EG4 ELECTRONICS, LLC. ALL RIGHTS RESERVED.
VERSION 1.0 | INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE.
MODEL#: WM-48|280-LL-00 / WM-48-280-1-IN-LL-00
M A I N T E N A N C E G U I D E
SCAN FOR UPDATED
DOCUMENTS
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Summary of Contents for EG4 WM-48-280-LL-00
- Page 1 The purpose of this document is to educate the end-user on troubleshooting and maintaining the integrity of the WallMount Indoor 280Ah lithium battery. SCAN FOR UPDATED DOCUMENTS ©2024 EG4 ELECTRONICS, LLC. ALL RIGHTS RESERVED. VERSION 1.0 | INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE. MODEL#: WM-48|280-LL-00 / WM-48-280-1-IN-LL-00...
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Page 3: Technical Specifications
1. TECHNICAL SPECIFICATIONS MODULE OPERATING PARAMETERS PARAMETER RECOMMENDED SETTING 14.3kWh @25C, 100% SOC Total Energy Capacity Voltage 51.2V Capacity 280Ah 56.0V (±0.8V) 56.2V (±0.2V) Charging Voltage (Bulk/Absorb) Float 54V (±0.2V) 47-45.6V Low DC Cutoff 44.8V (start higher, lower as needed) 200A Max. - Page 4 PHYSICAL SPECIFICATIONS Dimensions (H × W × D) 36.4 × 18.1 × 9.6 in. (925 × 460 × 245 mm) Weight 282 lbs. (128 kg) Design Life >10 years Cycle Life >8000 cycles @ 0.5C 80% DOD Lifetime Production 82.6MWh* *(51.2V×280Ah/1000×80%×8000 cycles/1000)90%=MWh...
- Page 5 2. SAFETY SAFETY INSTRUCTIONS DANGER! Hazardous Voltage Circuits! AVERTISSEMENT! Circuits à tension élevée! International safety regulations have been strictly observed in the design and testing of the inverter. Before beginning any work, carefully read all safety instructions, and always observe them when working on or with the inverter.
- Page 6 5. Please keep children away from touching or misusing the battery and relevant systems DISCLAIMER EG4 reserves the right to make changes to the material herein at any time without notice. Please refer to www.eg4electronics.com...
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Page 7: Current Protection
This protection also aids in keeping the battery and battery cells operational for a greater number of life cycles. Each EG4 battery is specifically configured to ensure peak performance and operation with any system. - Page 8 TROUBLESHOOTING 3.4 ALARM DESCRIPTION AND TROUBLESHOOTING When the ALM light on the battery control panel is on, it means that the battery has given an alarm or has been protected from potential damage. Please check the cause of the failure through the app or BMS Tools.
- Page 9 OTHER COMMON FAULTS AND SOLUTIONS: FAULT ANALYSIS ACTION Check communication port Inverter communication Input proper “host” battery DIP switch connection, and battery ID failure address, and power cycle the battery. setting. Open breaker, or battery voltage Check battery breaker or charge the No DC output is too low.
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Page 10: Warranty Exclusions
There are several websites and organizations that will accept this battery to recycle at little to no cost to the user. At EG4, we understand that we are working with customers across the United States and the world. Our recommendation is to go online and search the term “Lithium Battery Disposal Near Me.”... - Page 11 The state of the battery when placed into storage will affect how long it can be stored as well as the battery’s condition when it is brought out of storage. EG4 recommends that each battery is brought to a 100% SOC (state of charge) before placing them in storage. Lithium batteries will lose a certain percentage of their total charge while in storage, depending on how long they are stored and the conditions they are stored in.
- Page 12 CONTACT US support@eg4electronics.com (903) 609-1988 www.eg4electronics.com...
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Questions and answers
Howdy, I have 2 eg4 280 ah all weather batteries side by side on a solar trailer. Working great for the past 1.5 years. Now 1 battery breaker will not reset. Tried to read the manual , but could not locate a reason for this issue. No alarm led illuminated . Battery at 100% charge & standby. Is this a communication issue, Any help appreciated. Thank you
The breaker may not reset despite the battery being fully charged and having no alarm LED illuminated due to the BMS being in low voltage protection or sleep mode. If the battery was deeply discharged, the voltage might be too low for the BMS to start. In this case, contacting the distributor is recommended for further troubleshooting.
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