Bms for 20s Battery Packs of 2025
Best Choice1
DALYDALY Smart BMS Li-ion 20S 72V 200A PCB Battery Management System with UART Communication CAN 485 Bluetooth Battery Monitoring Module for Lithium Battery Pack Rated 3.7V(Smart BMS+RS485+CAN,200A Fan)
Main highlights- [Smart BMS]Check battery status and modify parameters at any time through Bluetooth app or PC Software.Quality Guarantee--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED
- [Packing List]3.7V Li-ion BMS*1,Bluetooth Module*1,NTC sensor*1,Sampling cable*1,Uart cable*1,Instruction Manual*1.
- [Note] If you need active balancer, parallel module or other accessories, please contact online customer service.We offer 24-hour one-on-one customer service and lifetime technical support.
- [Double Protection]Double protection by injection patent technology and patent shell.Waterproof,dustproof,shockproof and anti-static;High-quality components, pressure-resistant and durable material, high acquisition accuracy.Easy to install.
- [DALY BMS]Overcurrent,Overcharge,Overdischarge,Short circuit, Temperature protection.DALY BMS maximizes optimizes the lithium battery performance, and extends the battery lifetime to a large extent.
9.8Exceptional
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Value for Money2
BasasaBasasa 8-20S 450A BMS Battery Protection Module PCB Board with Balance Leads Wires for Li-ion, Lifepo4, LTO Battery Smart Balance Protection Board
Main highlights- ⑤Package include：BMS、temperature sensor *2、activating Wires、balance wire
- ④Power consumption: 3MA at work, 1.5MA during standby.
- ③Various protection functions for over charging and over discharging, charge and discharge overcurrent, short circuit protection function processing.The software's overvoltage, undervoltage, temperature, and overload protection function processing.
- ②Peak Discharge Current 450A, Continuous Discharge Current 180A; Balance Current 120mA. Accurate SOC calculation, with automatic learning SOC function Size：2.76* 5.51 *0.67 inch, 13CM*7CM*1.7CM
- ① For the 8-20 series Li-ion Battery, Lifepo4 Battery, LTO Battery packs of ebike, electric motorcycle batteries, energy storage and other products; The protection board has strong loading capacity, and the maximum continuous discharge current can reach 180A and peak 450A. Parameters can be adjusted according to customer needs.
9.7Exceptional
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3
JKBMSJKBMS Smart BMS 8S-20S 40A 0.4A Active Balance Build-in Bluetooth with RS485 PCB Battery Protection Board Li-ion LiFePO4 LTO Lithium Battery Pack (JK-BD4A20S4P)
Main highlights- Wide Application: This versatile BMS works with Li-ion, LiFePO4, and LTO batteries. Suitable for electric motorbike,electric scooter,and so on, it offers seamless integration and top performance
- Packing List: Includes Smart BMS (JK-BD4A20S4P) * 1,Wires (70cm) * 1,Switch (50cm) * 1,NTC (40cm) * 1,Operate manual * 1,(RS485 converter not included).Everything you need for setup and operation
- Enhanced Safety: Safeguard your battery with protection against overcharging, overdischarging, overcurrent, short circuits, and temperature extremes. JKBMS Active Equalization extends battery life and enhances performance
- Easy Connection: Effortlessly manage your battery with JK BMS mobile app for Android and iOS. Bluetooth connectivity allows you to monitor status, adjust settings, and control charging/discharging from your device
- After-Sales Support: If you have any questions or concerns, please contact us through your order page. We are committed to providing assistance and ensuring your satisfaction with our 1-year support
9.4Excellent
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4
BisidaBisida 20S BMS 64V 120A Lifepo4 Battery Management System PCB Protection Board with Balance Wire and NTC,Ten Functional protections, Common Port, for Lifepo4 Battery Pack (20S 64V 120A)
Main highlights- 【Wiring Method】The wiring methods of common ports of BMS: B- connection battery pack negative , C- connection charging negative/output negative. All the positive electrodes are the total positive pole from the battery pack.
- 【Preparation Before Installation】Before installing the BMS protective board, it is necessary to match the voltage, capacity, and internal resistance (the voltage difference between the battery per section is not higher than 0.05V, the difference between the internal resistance is not more than 5MΩ, and the capacity difference is less than 30mAh). Otherwise the battery pack will not be able to charge.
- 【Operating Temperature】Bisida's BMS supports (3.2V) Lifepo4 battery charging and discharging in zones from 2.3V to 3.65V, with low temperature protection up to -20°C and high temperature protection up to 70°C. Different voltages and currents have different parameter details. Confirmation required. Please communicate with the seller to confirm accurate data.
- 【Multi -Function Protection】Bisida's BMS has a variety of protection functions, such as over charge protection, over discharge protection, over current protection, short-circuit protection, temperature protection, Downtime protection，Voltage balance(passive balance), etc.
- 【High Quality】Bisida's BMS utilizes top quality (A-level) protective integrated circuit IC, from the solution of Industry car level.BMS manufactured by high quality Mos and IC imported.Support OEM/ODM customization, if you have special needs, you can contact customer service.
9.1Excellent
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5
HiXiMiBMS Li ion 20S 72V 60A Lithium Battery Management System Protection Circuit PCB Board for Lithium Ion Battery 3.7V,with Bluetooth Module
Main highlights- 【Smart BT BMS】With the BT module, after downloading the "SMART BMS" APP, the cell phone can be connected to the battery to view or set the battery parameters. Multiple communication functions and extended function port, support WiFi, CAN, RS485, dual UART communication interface function. Except for the BT module, other function modules need to be purchased separately.
- 【Multiple Functions】Pre-charging function; low power consumption; 100mA passive equalization current; overcharge protection; overdischarge protection; overcurrent protection; short circuit protection; temperature protection; waterproof protection.
- 【Li ion or LiFePO4 BMS】Depending on your battery type, choose the right BMS. Li ion BMS is for 3.7V cells, LiFePO4 BMS is for 3.2V cells. The BMS current needs to be selected based on the load power and the maximum continuous discharge current of the cell. Generally, the BMS current should be greater than the maximum continuous discharge current of the battery cell.
- 【Attentions】Only the BT model is able to connect to your cell phone to refer to the battery parameters. There are BT 100A-500A BMS support battery pack parallel connection. Battery packs equipped with a BMS cannot be connected in series. If you need to connect the battery packs in series, you need to contact us for customization.
- 【24-months warranty】Quality guarantee, multiple certifications, ISO/ FCC/ RoHS/ PSE/ CE APPROVED. We strive for quality and quality customer service. If you have any questions, please feel free to contact us.
8.9Very Good
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6
DALYDaly Smart Battery Equalizer 20S 1A with Bluetooth App and Wire Leads and Compatible Active Balancer for Lithium Battery Rated 3.7V 3.2V 2.2V
Main highlights- [Working Principle] Balanced by energy transfer, with high efficiency, less energy loss and low heat generation. Ensure battery consistency and extend the battery life. Balanced current: 0.1-1A, Voltage equalisation accuracy: 0.01V；
- [Smart active balancer]Support UART/RS485 communication, Bluetooth APP can view battery balancing information at any time. Indicator light on/flashing: balanced state; indicator light off: non-balanced state/fault.
- [Satisfactory Service]: We Provide 24-hour online service,If you encounter any problems, Please feel free to contact me, we will give you a perfect solution.
- [Active Equalizer]Can be used alone or compatible with any brand of BMS.Suitable for Li-ion/LifePO4 battery packs
- [24-hour equalization] Not limited by battery charging, discharging or static, sleep mode, etc. Intelligent detection of battery voltage, automatically turn on/off balancing.
8.8Very Good
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7
DALYDALY Smart BMS with Bluetooth Module Li-ion 3S-20S 12V-72V 40A-500A Battery Protection Board for Li-ion Battery Pack(Li-ion 20S 72V 60A+BT Module)
Main highlights- 【Support Parallel Connection】Integrated parallel module to avoid large current impacts when battery Pack(s are connected inparallel.
- 【Quality Guarantee】We provide 24-hour one-on-one customer service and technical support.If you have any questions,please feel free to contact us.--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED
- 【Making Load Easy To Start】High-power pre-charging can effectively avoid false triggering of protection caused by high current at startup moment and unsuccessful power-ups.
- 【Effective Balance】100mA passive balancing helpsextend lithium battery life.
- 【DALY BMS】Overcharge Protection; Overdischarge Protection; Overcurrent Protection; Short circuit Protection; Temperature Protection;Waterproof Protection.
8.7Very Good
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8
DALYDALY Smart 20S BMS 60V with WiFi Module and CAN 485 Communication Protection Board for LifePO4 Lithium Battery Pack(Lifepo4 20S 60V，40A)
Main highlights- 【Smart BMS】With the WiFi module, lithium batteries can be remotely monitored through the Internet, regardless of the distance.When the BMS detects any abnormality in the battery pack, it will send alert via the smartphone app.
- 【Quality Guarantee】We provide 24-hour one-on-one customer service and technical support.If you have any questions,please feel free to contact us.--- ISO/ FCC/ RoHS/ PSE/ CE APPROVED
- 【New Upgrade】Smaller size; Parallel protection; Pre-charging function; 100mA passive equalization current; Low temperature rise; Working condition indicator;Consistent Chg/Dischg cuurrent.
- 【Multiple Protection】Overcharge Protection; Overdischarge Protection; Overcurrent Protection; Short circuit Protection; Temperature Protection;Waterproof Protection.
- 【DALY BMS】Multiple communication functions+ expansion function ports,CAN, RS485, dual UART communication interfaces,rich expansion applications.If you need Touch Screen,active balancer, parallel module or other accessories, please contact online customer service.
8.5Good
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9
ELCCOTYASmart BMS 8S-20S 40A 0.4A Active Balance PCB Battery Protection Board Built-in Bluetooth APP Control RS485 Port for LiFePO4 Lithium Battery Pack
Main highlights- With smart bluetooth APP control,support Android and IOS. Just download "JIKONG" APP in phone, you can check the working status of the battery,modify the working parameters of the protection board, control the charge and discharge switch,and so on
- The battery protection board with small size,easy setup and full in function;Works with LiFePO4,Li-ion and LTO batteries pack.Widely used in battery packs of small sightseeing vehicles,mobility scooters,shared cars,high-power energy storage and so on
- Smart bms protection board is a management system tailored for large capacity series lithium battery pack with voltage acquisition,high current active balancing, protection against overcharging,over-discharging,over-current and short circuits
- Package List: 1*bms (BD4A20S4P),1*sampling line,1*switch,1*user manual (RS485 convertor isn't included),we provide 24/7 online perfessional tech support and 1 year warranty,Any problem, please let me know.
- 8S-20S 40A 0.4A, working voltage range 20-100V smart bms. The high current active equalization technology can ensure the consistency of the battery to the greatest extent,improve the battery range and delay the aging of the battery
8.3Good
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10
KNACROKNACRO 3.2v 20S 75V 64V 45A Iron Lithium Battery Battery BMS Protect Board
Main highlights- This product is a 20-string 72V power protection board. With equalization
- This board can do 5-20 series universal 40A--90A working current
- Size: 120*60*9mm.
- Same port 45A discharge with heat sink
- Continuous current: <45A
8.0Good
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