|Place of Origin:||CHINA|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||Standard Export Package|
|Delivery Time:||15-30 working dyas|
|Supply Ability:||2000 sets per month|
|Maximum Series Or Parallel:||Series：4PCS；parallel：8PCS||Voltage:||12.8V|
|Application:||Creational Vihicle/Caravan/other Vehicle Power Supply||Cycle Of Life:||4000|
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1.1,Introduction to battery system
RV128200V2-Pro lithium iron battery system is a 12.8v200ah battery module product produced by Welson Power Technology (Wuxi) Co., Ltd. (hereinafter referred to as Welson). The product is mainly developed and applied to RV,whose good electrical performance and universal interface design can be widely used in electric yachts, communication base stations, energy storage and standby and outdoor portable power supply. The product has the characteristics of high capacity, light weight, good environmental protection, high energy density and long service life. It is the preferred substitute for lead-acid battery.
Product appearance drawing
1.2,Characteristics of battery system
1.2.1 The internal battery module of the battery system adopts lithium-ion cell, which has high safety, high energy density and excellent high-temperature cycle performance.
1.2.2 The battery system is composed of high-performance power management module (BMS) to monitor and control the battery module, which has the protection functions of over discharge, over charge, over-current, short circuit, reverse connection and over temperature, making the battery safe and reliable.
1.2.3 RJ45 standard interface is adopted for battery system communication, CAN bus cascade connection is adopted for battery expansion, and RS485 bus connection is adopted for external EMS or PCS.
1.2.4 During the charging process of the battery system, BMS monitors the charging and discharging current and status in real time, and manages the floating charge and automatic equalization of the battery.
1.2.5 Protection power-off function
When the battery voltage is lower than the alarm value, the alarm information can be transmitted through RS485 or special software monitoring system. When the voltage is too low, the discharge circuit will be automatically cut off.
1.2.6 The battery system supports series parallel expansion. The capacity of the battery system can be expanded in parallel, and the voltage of the system can be increased in series. It can support 4 modules in series or 8 modules in parallel at most.
1.2.7 The battery system includes key switch and LCD display panel. The key switch can switch the battery system, When the battery system is on, the working status information of the battery module, such as battery voltage, current, SOC and fault status information, can be displayed in real time.
1.2.8 The battery system has parallel function, which makes the battery more widely used and have longer standby time and stronger output capacity.
1.2.9 The battery system has intelligent heating function and intelligent control of charging and low-temperature heating, which makes the battery system not limited by region;
1.2.10 The battery fast fuse is independently designed and installed , which makes the maintenance more convenient and friendly.
1.2.11 The battery adopts the similar power interface of lead-acid battery, the power connection and installation is reliable and interchangeable with lead-acid battery. It is the best substitute for lead-acid battery.
1.3,Basic performance of battery system
|4||Minimum discharge voltage||12V|
|5||Rated discharge current||100A|
|6||Maximum discharge current||160A|
|8||Rated charging current||50A|
|9||Maximum charging current||100A|
|10||Charging temperature range||-20~50℃|
|11||Discharge temperature range||-10~55℃|
|15||communication interface||Internal communication CAN,External communication RS485|
|16||Maximum series or parallel||series:4PCS；parallel:8PCS|
-20～45℃(Within 3 months)
20～26℃(More than 3 months)
|16||Cooling system||Natural cooling|
|17||heating system||During charging, when the temperature is lower than 0 ℃, the heating function starts automatically.|
2,Product appearance and interface
|Dimension(L*W*H)(mm)||500mm*220mm*249.5 mm (Height of Terminal 5mm)|
|No||Interface description||Identification||Interface type||Function|
|1||Positive||+||M8 Screw||Battery positive output|
|2||Negative||-||M8 Screw||Battery negative output|
|3||Switch||ON/OFF||Biased switch||Battery power on or activation switch|
|4||LCD FUNCTION||FUNCTION||Biased switch||LCD battery information viewing|
|5||External communication||EXT-COM||Standard RJ45||Support RS485|
|6||CAN output||CAN-OUT||Standard RJ45||
Communication between series and parallel batteries
|7||CAN input||CAN-IN||StandardRJ45||Communication between series and parallel batteries|
|8||FUSE||FUSE||NA||For battery fuse maintenance and replacement|
|9||LCD Display||NA||NA||Monitor battery status and display battery status information|
2.3 Battery interface definition
3,Product functions and control parameters
RV128200V2 - Pro has the functions of total voltage overvoltage, undervoltage, module monomer overvoltage, undervoltage, charge and discharge high, low temperature, overcurrent and short circuit protection.
When the battery system is turned off, press the ON / OFF switch on the right side of the LCD, and the battery system will be automatically activated and enter the normal operation state for charging and discharging.
When the battery system is in the startup state, press the wake-up ON / OFF switch on the right side of the LCD, and the battery system enters the shutdown state. In the shutdown state, the power consumption of the battery system is the lowest and the system enters the sleep without power consumption.
When the static total voltage of the battery system is lower than 11.2V and greater than or equal to 8V, or the minimum unit voltage is lower than 2.8V and greater than or equal to 2.0V (this value is preset by the system), the system is in a low power consumption state and can be directly awakened by charging.
When the unit voltage is not lower than 1.5V, if the battery system is in the non charging state, the battery system will automatically enter the non power consumption sleep. At this time, press the on / off switch, and the battery system can be activated to allow charging.
When the static total voltage of the battery system is lower than 6V or the minimum unit voltage is lower than 1.5V, the battery system cannot be started again and needs professional maintenance.
3.3 Heating and charging function
When the battery system detects that the external charging power supply is connected, the system will automatically evaluate whether the battery temperature is within the charging temperature range of the battery. If the battery temperature is lower than 0 ℃, the battery system will automatically enter the heating mode. When the charging temperature is higher than 0 ℃, the system will automatically enter the charging mode.
3.4 System communication function
RV128200v2-Pro battery system can maintain communication with upper computer software through CAN protocol and other power supply equipment through RS485.
When communicating with the upper computer, the software has a friendly upper computer interface, which can monitor all parameters of the battery system in real time through the upper computer, including battery status, single voltage, total voltage, battery module temperature, ambient temperature, total battery current, total capacity, remaining time of charge and discharge, alarm and protection information, etc.
3.5 Charge equalization function
RV128200V2-Pro battery system adopts resistance bypass for cell equalization. During charging, when the maximum unit voltage of the battery pack reaches the set equilibrium starting voltage value, and the voltage difference between the minimum voltage and the maximum voltage of the battery pack is greater than the set value, the cell equalization function is turned on. During equalizing startup, the system reduces the charging current of the high-voltage cell, and the reduced current is the equalizing current set by the management system. When the charging stops or the voltage difference of the cell is less than the set value, the equalization stops
RV128200V2-Pro battery system has storage function, which can record the occurrence time of protection, alarm and fault recovery respectively. The recorded contents include fault category and monomer voltage, total voltage, charge / discharge capacity, charge / discharge current, temperature, etc. You can set the recording time by selecting memory cards with different capacities.
|No||Item||Default value||Set range|
Battery pack overvoltage
|Alarm value||14.2V||12V～Protection value|
|Alarm release value||13.8V||12V～Alarm value|
|Protection value||14.6V||Alarm value～14.8V|
|Recovery value||13.8V||12V～Protection value|
Single cell overvoltage
|Alarm value||3.55V||3.0～Protection value|
|Alarm release value||3.45V||3.0～Alarm value|
|Protection value||3.65V||Alarm value～3.7V|
|Recovery value||3.45V||3.0～Protection value|
Battery pack undervoltage
|Alarm value||12V||12V～Protection value|
|Alarm release value||12.4V||12.4V～Alarm value|
|Protection value||11.2V||Alarm value～24V|
|Recovery value||12.4V||12.4V～Protection value|
Single cell overvoltage
|Alarm value||3V||3.0～Protection value|
|Alarm release value||3.1V||3.1～Alarm value|
|Protection value||2.8V||Alarm value～3.5V|
|Recovery value||3.1V||Protection value～3.3V|
Charging temperature too high
|Alarm value||45℃||30℃～Protection value|
|Alarm release value||43℃||30℃～Alarm value|
|Protection value||50℃||Alarm value～60℃|
|Recovery value||48℃||30℃～Protection value|
|Discharge temperature too high||Alarm value||50℃||30℃～Protection value|
|Alarm release value||48℃||30℃～Alarm value|
|Protection value||55℃||Alarm value～60℃|
|Recovery value||53℃||30℃～Protection value|
Charge and discharge temperature protection
|Alarm value||-10℃||-40℃～Protection value|
|Alarm release value||-5℃||Alarm value～10℃|
|Protection value||-20℃||-40℃～Alarm value|
|Recovery value||-17℃||Protection value～10℃|
Charging overcurrent protection
|Alarm value||60A||1A～Protection value|
|Alarm release value||55A||1A～Alarm value|
|Protection value||100A||Alarm value～100A|
|9||Discharge overcurrent protection||Alarm value||110A||1A～Protection value|
|Alarm release value||105A||1A～Alarm value|
|Protection value||200A||Alarm value～150A|
|Recovery value||105A||1A～Protection value|
|10||Short circuit protection||Protection value||800A||Settable|
|Recovery conditions||If the short-circuit load is removed, the protection is released. Or charge and release the protection.|
A single battery system can be used independently, and the ext-com interface of the battery system can provide relevant information such as battery status to external power supply or other equipment;
4.2 Multi machine series operation
Up to 4 battery systems can be connected in series. The positive and negative poles of each battery system are connected in series, and the total voltage of the system is 51.2v. Each battery system CAN-OUT is cascaded with the CAN-IN of the next battery system, and the connected battery system is connected in this way. The EXT-COM interface of the first battery system can be connected with external power supply or other equipment.
Press the wake-up on switch from the first battery system to automatically detect and adaptively configure the system.
4.3 Multi machine parallel operation
The standard configuration allows 8 battery systems to be connected in parallel. The positive and negative poles of each battery system are connected in parallel, and the total voltage of the system is 12.8v. Each battery system CAN-OUT is cascaded with the CAN-IN of the next battery system. The EXT-COM interface of the first battery system can be connected with external power supply or other equipment when the battery system is connected in this way.
Press the wake-up on switch from the first battery system to automatically detect and adaptively configure the system
5 ,Precautions for system installation
☆Before installing and operating the battery for the first time, please read this manual carefully and check whether the battery accessories are complete.
☆ Battery short circuit must be avoided at any time in case of heavy losses.
☆When operating the battery, it is not allowed to wear metal items such as rings, bracelets and watches;
☆When operating the battery, please use tools with insulated handles. Do not place tools or metal objects on the battery.
☆When connecting the battery, it is normal for small sparks to appear at the joint, which will not harm people and equipment.
☆When installing for the first time after long-term inventory, it is recommended to supplement power before use.
☆Do not remove the chassis screws and upper cover without the presence of professional technicians.
☆It is not allowed to use different nominal capacity and different types of battery packs in parallel.
☆When multiple battery packs are connected in parallel, please ensure that each battery pack has the same capacity to ensure that each battery can be charged and discharged in step in the actual use process, so as to ensure that the battery can be charged and discharged with the best performance.
☆Please install and use the battery according to the normal operating procedures. If the battery failure is caused by illegal operation, the manufacturer will not be responsible.
6.1Regularly check whether the service environment of lithium iron battery meets the requirements. It is recommended that the service environment temperature of the battery be between 15 ℃ and 30 ℃. The charging and discharging performance of the battery in this section is the best, and the installation position of the battery should be far away from the heat source.
6.2The battery has entered the shutdown state when leaving the factory and needs to be charged and activated before use. When storing for a long time, you can use the manual key to shut down, so as to reduce the standby power consumption of the battery.
6.3 The standard configuration supported by RV128200V2-Pro battery system allows 8 batteries to be used in parallel and up to 4 batteries in series. The number of batteries used in series and parallel connection is limited, and unlimited series and parallel connection is not allowed. If necessary, please consult the manufacturer and supplier.
6.4 For the installation of outdoor integrated cabinet, the place with shade and ventilation shall be selected to avoid exposure to the sun, so as to prevent the battery products from high temperature protection due to long-term sunshine (the battery cannot be charged and discharged after the ambient temperature exceeds 60 ℃).
6.5 When storing and using battery products, pay attention to dust prevention and avoid rain. In order to prevent fire, it is forbidden to directly submerge the battery into water, use or put the battery next to high temperature and high heat source.
6.6 It is forbidden to mix batteries of different capacities, types and manufacturers.
6.7 Check whether the charging of lithium iron battery is normal. In case of one of the following situations, it is necessary to supplement power in time:
(2) The battery is often under charged.
(3) The battery has been out of service for more than three months.
6.8 Regularly check whether the battery terminals, connecting wires and indicator lights are normal.
6.9 Regularly check the consistency of the battery cell voltage through the upper computer. Under the floating charge state, the battery cell voltage should be more than 3.3V It is recommended to check it at least half a year.
6.10 It is forbidden to connect the power supply and load that do not meet the grade of iron lithium battery at both ends of the battery.
7,Handling of special conditions of products
7.1 Battery is not charged for a long time.
Please supplement electric energy in time. If you can't charge for a long time, please shut down and supplement electric energy in time. Pay attention to the power supply time that the battery system can support.
7.2 Catastrophic accident
Catastrophic accidents include equipment failures caused by lightning, flood, earthquake, fire and other disasters. Please stop using it immediately to avoid greater potential safety hazards.
1. Professional technical team: WelsonPower’s R&D technical team has received more than 20 inventions and application patents.
2. Unique pack technique: WelsonPower possesses special pack technique to batter protect the battery cell and increase the life span of the battery pack.
3. Safety certification guarantee: Most batteries have been certificated according to international standard including CE, MSDS, UN38.3, UL etc..
4. Professional sales team: WelsonPower possess well-trained sale team that help clients addressing difficulty meeting during battery selecting and battery using.
5. Punctual delivery: WelsonPower has strict production plan to promise punctual delivery of the goods.
6. Perfect after-sales service: WelsonPower has a professional QC team which applies strict quality control on production and provide perfect after-sales service to clients.
We current main produce 18650/26650/21700/30700/4680 lithium ion cell and lithium iron phosphate cell,Lithium-ion batteries have a theoretical lifespan of about 800 cycles,and for lifepo4 cell,the cycle life around 1500-2000 times
Finished battery usually it is with PCM.Wire, and connector,it used for Bluetooth speaker, led light,solar street light and other digital device.
1 good quality, experience with famous brands
2 OEM service for customized battery
3 26650 cell(2000 times cycle 3 life.after 2000 tims,still keeps 80%of inital capacity
4 Our certification is complete
5 Sample order(<10 pcs) is available---helps you test the quality with "O"risk
6 12 month wanrranty---replace one by one if there is any quality problem
7 In the field of batteries Have more than 10 year professional experience
With high quality pearl wool, UN cartons / Plywood, plastic pallet.
By air, by sea, by express, railway transportation and so on.
1. Shippment to USA:By sea+Express(DDP,Tax free)
ETA:25-35 days after sailing(This is the delivery time for most orders. Please wait patiently or contact us online)
The tracking will be updated after pick up by local express.Usually it will take around 15-25 days after sailing.
2. Shipment to EU:By railway+Express(DDP,Tax free).Except Switzerland,Romania
ETA:30-45 working days after shipping(This is the delivery time for most orders. Please wait patiently or contact us online)
The tracking will be updated after pick up by local express.Usually it will take around 25-40 working days after shipping.
3. We can't deliver the following address directly:
USA: Military address and PO box address are not acceptable;
Puerto Rico, Virgin Islands, Guam, Alaska Note: Hawaii does not include customs duties and requires additional freight, Please contact us online.
Portugal: Azores and Madeira
Spain:Canary Islands, hueda and melilia
Russia: Kamchatka Peninsula
Other:Some remote areas not listed,Please provide shipping address and zip code to to us to check.
Q1: What is your MOQ?
A1: Generally speaking, our MOQ is 100 pieces, which varies with different products.
Q2: Are these batteries brand new?
A2: Yes, all of these batteries we provide are brand new
Q3: Are the cells I bought balanced?
A3: we know the importance of maintaining the consistency of each cell in the battery pack, so we will match and balance all cells to ensure that the internal resistance, voltage, and capacity of cells are completely matched and balanced before delivery. This process is very necessary.
Q4:: I am a distributor. Can I cooperate with the battery warehouse for a long time?
A4: Yes, Individual pricing for large scale projects and wholesale demand is available
Newest technology,new idea,heard-working and honest people.
Focus on lithium rechargeable battery,BMS,Balancer,charger and relative products.
Main application:electric bicycle,scooter,motorhome,AGV,solar/wind system,Energy storage system,truck and so on.s:
We promise"real"lithium capacity
We promise“100%“ refund for any quality problem
We promise”100%“ replacement for any shipping damage
We promise lifetime fast technical supportCustomers‘ satisfaction is our endless pursuing.