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Summary of Contents for Epever LFP5.42KWH51.2V-P20R2QT50
- Page 1 LiFePO4 (LFP) Battery Product manual LFP5.42KWH51.2V-P20R2QT50...
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Page 2: Table Of Contents
Contents 1 Important Safety Instructions ............1 2 General Information ................ 3 2.1 Appearance ........................3 2.2 Product size ........................4 3 Basic Information ................5 3.1 Interface definition ......................5 3.2 Product features ....................... 6 3.3 LED indicators ........................7 3.4 Set the DIP Switch ...................... -
Page 3: Important Safety Instructions
1 Important Safety Instructions ※ Thank you for choosing EPEVER Lithium Iron Phosphate (LFP) battery, please read this manual carefully before using this product. ※ It is strictly forbidden to install this product in harsh environments such as moisture, salt spray, corrosion, greasy, flammable and explosive, or a large amount of dust accumulation. - Page 4 d) It is forbidden to heat and incinerate batteries. It may melt battery components, lose safety features, or burn electrolyte. Overheating can deform, heat, smoke, or burn the battery. Emergency treatment method a) When the electrolyte leaks, avoid skin and eye contact with the electrolyte. In case of contact, wash immediately with plenty of water and seek help from a doctor.
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Page 5: General Information
2 General Information 2.1 Appearance Side view Top view Side view Front view Metal handles Parallel communication interface port Positive connector PC upper computer interface port Weak-current switch Inverter communication interface port Color/Touch LCD screen Battery SOC indicator Negative connector Malfunction indicator Grounding screw interface Run indicator... -
Page 6: Product Size
2.2 Product size... -
Page 7: Basic Information
3 Basic Information 3.1 Interface definition (1) The RS232 communication interface pin are defined as follows, and the RJ11 communication interface is used to connect the upper computer of the lithium battery PC. RJ11 Pin RJ11 Definition 1、2、6 ( RJ11) (2) The pins of the CAN/RS485 communication interface are defined as follows, and the RJ45 communication interface is used for the communication connection between the lithium battery and the inverter host. -
Page 8: Product Features
(4) The BMS communication interface pins are defined as follows, and the RJ45 communication interface is used for the parallel (host) communication connection between the lithium battery and the lithium battery. Pin No RJ45 Definition RS485-B RS485-A RS485-A (RJ45 ) RS485-B 3.2 Product features ... -
Page 9: Led Indicators
3.3 LED indicators Battery Work Indicators instructions ① Battery SOC LED POWER Normal/Alarm/Pro Status Instruction tection ● ● ● ● ● ● ● ● ● ② Sleep Power off All indicators go OFF Flash 1 Normal Standby Status Standby Display by the actual battery capacity. - Page 10 ① Battery SOC LED POWER Normal/Alarm/Pro Status Instruction tection ● ● ● ● ● ● ● ● ● Flash 3 Normal Display by the actual battery capacity. Flash 3 Flash 3 Alarms Under-voltage The battery stops discharging. protection Dischargi Temperature,...
- Page 11 ① The battery SOC indicators L1~L6 correspond to the battery SOC 0%~100%, as shown in the diagram below: ② Exit sleep mode: When the BMS is in sleep mode, press and hold the power switch (ON/OFF button) for about 2 seconds to activate the battery. Enter sleep mode：...
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Page 12: Set The Dip Switch
84%~100% ● Run indicator Flash 3 [Flash 1] means the indicator lights up for 0.25 seconds and then turn off for 3.75 seconds. [Flash 2] means the indicator lights up for 0.5 seconds and then turn off for 0.5 seconds. [Flash 3] means the indicator lights up for 0.5 seconds and then turn off for 1.5 seconds. -
Page 13: Colored Touchable Lcd
3.5 Colored touchable LCD Interface introduction: HOME page Main state page Icon Introduction： Main Menu Icon: Tap to enter the main menu HOME interface Main State Icon: Click to enter the Main State interface Parallel Data Icon: Click to enter the Parallel Data page... - Page 14 Menu ② Menu SOC（Total） Current Voltage Main BMS INFO state Warranty page Current Parallel data Voltage BMS info Cell 01 voltage Cell 02 voltage Voltage ....Cell 16 voltage PACK Info Temperature Mos-T ENV-T Warning Home Protect BMS Status Fault Record GOOD WE PROTOCOL LV BMS Protocol (CAN) for Solar...
- Page 15 Growatt BMS CAN_Bus-protocol-low-voltage USER-485-voltron Voltronic Inverter and BMS 485 communication protocol 20200325 RS485 PYLON RS 485-protocol-pylon-low-voltag Luxpowertek Battery Protocol RS 485-V 01 English Language select Chinese （Traditional Chinese） System PACK SN (BLUETOOTH SN ) Note: The protocol list is access from the BMS motherboard. The following is an example: Based on the built-in list of each BMS motherboard, the first time you change the protocol, you need to enter the permission password, and the initial password is 123456.
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Page 16: Instructions
4 Instructions 4.1 Packing list Before unpacking, please check the outside of the battery for damage to the packaging and check the model of the battery. If there is any abnormality, please do not open the package and contact the after-sales service center as soon as possible. After unpacking the battery, please check whether the product is complete according to the packaging information. -
Page 17: Installation Requirements
4.2 Installation requirements M4X8 countersunk screws 1. As shown in Figure 1, the 4 screws on both sides of the lithium battery need to be removed before installation. M4X14 t group 2. As shown in Figure 2-4, lift the lithium battery first, then install the parallel rack from both sides, align the screw holes, and finally lock and fix it with four M4*14 bolt group. - Page 18 a. Installation environment The battery works best at 20~40°C. Avoid installation in environments with direct high temperature and rain. Avoid installation close to high temperature heat source or low temperature cold source. Avoid installation in places where the ambient temperature changes drastically. ...
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Page 19: Wiring Diagram
c. Wiring diagram Positive output power cable Negative output power cable RS485 communication cable Lithium battery positive parallel power cable Lithium battery negative parallel power cable Lithium battery parallel communication cable (BMS~BMS) (250mm) Precautions for inverter connection and parallel connection： According to the above parallel schematic diagram and 2.1 products appearance, select the correct wiring harness for connection. - Page 20 negative terminal of the inverter (black cable). 2. RS485 communication cable (blue cable):Communication between the host and the inverter. The interface of the host is RS485 port, and the terminal port of the inverter is BMS port. 3. Lithium battery parallel power cable: The positive connector of the host is connected to the positive connector of the slave (orange cable);...
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Page 21: Charging Operation
Warning 1. For operational safety and compliance, please disconnect the communication and cable link with the inverter when storing the battery. 2. During the handling and installation of the battery, it is recommended to wear safety helmets, goggles, protective shoes and other safety equipment suitable for the work to prevent accidental injury; 3. -
Page 22: Description Of Battery Parallel Capacity And Voltage
Precautions for charging and discharging operation： a) When the temperature is high ( ≥35 °C) in summer, the battery should not be charged more than 0.5C during the day, and it is recommended to stand for more than 30 minutes in the middle of the charge-discharge conversion to avoid the battery being used often in a high-temperature environment (a high-temperature environment will affect the battery life). -
Page 23: Protection Features
5 Protection Features Item Factory default parameter Set state Postscript Cell overcharge 3600mV settable alarm voltage Cell Cell overcharge overcharge 3650mV settable protection voltage protection Cell overcharge 1.0S settable protection delay Cell overcharge cell 3380mV settable protection voltage over-voltage SOC＜96% protection SOC release settable... - Page 24 Battery over-discharge 44.8V settable alarm voltage Battery Overall over-discharge 43.2V settable over-discharge protection voltage protection Battery over-discharge 1.0S settable protection voltage delay Battery Battery over-discharge 47.2V settable over-discharge protection release protection voltage release Release on charge Plug in the charger to activate Charging over-current alarm 105A...
- Page 25 Discharge over-current 1 1.0S settable Protection delay Discharge Automatic Automatically disconnects after 1 minute over-current 1 disconnect protection Charge disconnect Discharge current > 1A release Discharge Protection current settable It can be set 10 ＞150A consecutive over-current 2 Protection delay 500mS settable occurrences to lock...
- Page 26 Charging high 65℃ temperature settable protection Charge high 55℃ temperature settable protection release Discharge low -15℃ settable temperature alarm Low temperature -20℃ discharge settable protection Discharge low -15℃ temperature settable protection release High discharge 65℃ settable temperature alarm Discharge high 70℃...
- Page 27 Ambient high 75℃ temperature settable protection Ambient high 65℃ temperature settable protection release Low battery Low battery alarm No alarm when SOC＜5% settable alarm condition charging Sleep voltage 3150mV settable Delay time 5min settable Sleep function Charging and Cell voltage voltage difference＞1V settable discharging are not...
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Page 28: Specifications
6 Specifications LFP5.42KWH51.2V-P20R2QT50 Parameter LiFePO Battery Type 51.2V Nominal Voltage 106Ah Nominal Capacity 5427Wh Energy Continuous Discharge Current 57.6V Charge Cut-off Voltage 41.6V Discharge Cut-off Voltage Maximum Charge Current 100A@30min Maximum Discharge Current 120A@10S Peak Discharge Current Recommend Discharge Current 50.88~53.6V... -
Page 29: Precautions
7 Precautions 7.1 Maintenance precautions Item Cycle If the battery is not in use, it needs to be fully charged 3 months and discharged to 50%. Check whether the wall bracket installation is loose. 6 months Please tighten the appropriate position if available. Check the casing for damage. -
Page 30: Disclaimers
8 Disclaimers The warranty does not apply to the following conditions: Damage caused by improper use or inappropriate environments (It is strictly forbidden to install the Energy Storage System in the humid, salt spray, corrosive, greasy, flammable, explosive, dust accumulative or other harsh environments). - Page 31 HUIZHOU EPEVER TECHNOLOGY CO., LTD BeiJing Service Hotline：010-82894896/82894112 Huizhou Service Hotline：0752-3889706 Shenzhen Service Hotline：0755-89236770 E-mail：sales@epever.com Website：www.epever.com.cn...
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