3s 20a Bms Circuits of 2025
Best Choice1
BisidaBisida 13S BMS 48V 20A Li-ion PCB Protection Board with NTC, Ten Functional protections, Split Ports, for Lithium-ion Battery Pack (13S 48V 20A)
Main highlights- 【Wiring Method】The wiring methods of Split Ports of BMS: B- connection battery pack negative, C- connection charging negative, P- connection 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 (3.7V) lithium-ion battery charging and discharging in zones from 2.65V to 4.25V, 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, isconnect protection, etc.（This is not with a Balance Wire）
- 【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.
9.6Exceptional
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Value for Money2
Create ideaCreate idea 2Pcs 3S BMS 100A 3.7V Li-ion Battery Balance Circuit Board Battery Charging Board Module Battery Protection Board Li-Polymer Balance Charging Module
Main highlights- 4. It can be used for LMO, Li-ion ternary battery, LCO (3.7V) battery pack, etc.
- 3. "Same port" and "different port" universal, the protection board adopts 15 high-power ultra-low resistance MOS tubes (8 discharge, 7 charge), the same port mode can support discharge current 60A, charging current 60A; different port mode discharge current 80A, charging current 60A. Charging current 60A; Different port mode discharge current 80A, charging current 60A.
- 2. Designated chip, stable performance, support wire protection, overcurrent protection, overdischarge protection, overcharge protection, with balance, etc..
- 1.This protection board is commonly used 3s lithium battery protection board (can be adjusted according to the number of strings used).
9.4Excellent
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3
AEDIKOAEDIKO 6pcs 3S 20A BMS 18650 Li-ion Lithium Battery Charger Module BMS Protection Board PCB 11.1V 12V 12.6V Module Over-Discharge/Over-Current
Main highlights- It can Meet Various Performance Requirements and Ensure the Absolute Safety and Reliability of the Battery Pack
- High Accuracy Voltage Detection Circuit, Fine Workmanship and Reliable Quality
- Charging Voltage: 12.6V;Continuous Discharge Current (upper limit) : 20A (When the Heat Dissipation Environment is NOT Good,Please Reduce the Load Current )
- Applications:Vacuum Cleaner,Massager Battery Pack, LED Light Backup Power Supply,12V Electronic Products, Solar Street Light Battery Pack, Monitoring Standby Power Supply etc.
- 3S 20A BMS:Maximum Output Current: 20A;Quiescent Current: <30uA
9.1Excellent
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4
ACEIRMCACEIRMC 5pcs 3S 20A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board 12.6V Module
Main highlights- Scope of application: Lithium batteries with nominal voltage of 3.6V and 3.7V (including 18650, 26650, polymer lithium batteries)
- Continuous discharge current (upper limit): 20A (if the heat dissipation environment is not good, please reduce the load current), continuous charging current (upper limit): 10A
- Charging voltage: 12.6V - 13.0V
- Applicable electric drill: It is suitable for electric drills with starting current below 40A and power below 65W.
- 3S 20A Li-ion Lithium Battery Protection Board 18650 26650 Charger PCB BMS Protection Board 12.6V Cell Module-AUTO Recovery
8.9Very Good
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5
AOICRIE3S 12V 40A PCB BMS Protection Board for 18650 Li-ion Lithium Battery Cell Module
Main highlights- This protection board is suitable for 3 series 3.7V 18650 li-ion cell.
- This protection board is suitable for 3 series 3.7V 18650 Li-ion cell.Charging connector and discharging connector are separated.
- The protection board is for cell Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries.
- Support overcharge protection,overdischarge protection,overcurrent protection and short circuit protection.
- Stable charging and discharging the various protection features such as precise overcharge protection,overdischarge protection,overcurrent protection and short circuit protection.
8.8Very Good
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6
DiitaoDiitao 7PCS Lithium Battery Protection Board Overcharge Short Circuit Protection Module(3S 20A)
Main highlights- With overcharge, over discharge, over current, short circuit and other functions, for a variety of shapes of various shapes 3.7V lithium battery.
- This board can not be used for hand drill battery pack, electric fish battery pack, electric bicycle battery pack,ion polymer battery.
- This board can ensure the reliability of the battery pack,so it will meet various performance requirements.
- Its small size makes it suitable for many applications that require a high degree of integration and can function effectively.
- It is suitable for massager battery pack, LED lamp backup power supply, 12V electronic products, solar street lamp battery pack, monitoring backup power supply, etc.
8.7Very Good
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7
HiXiMiBMS Li ion 3S 12V 20A Lithium Battery Management System Protection Circuit PCB Board for Lithium Ion Battery 3.7V
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.
8.6Very Good
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8
ACEIRMCACEIRMC 2pcs BMS 3S 25A 12.6V Battery Protection Board for Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Integrated Circuits (3S BMS 25A 12.6V)
Main highlights- This protection board adopts mature protection circuit, special IC, imported high current ultra low internal resistance MOS (single MOS internal resistance as low as 3 milliohms), and has perfect and stable charging and discharging protection functions.
- Single Cell overcharge protect voltage: 4.23 - 4.28V;Single Cell overcharge rotect recover voltage: 4.08 - 4.18;Overcharge protect delay: 0.5 - 1.5S;Single Cell over-discharge protect voltage: 2.72 - 2.88V;Single Cell over-discharge rotect recover voltage: 2.9 - 3.1V;
- Overcharge protect current: 60A;Over-discharge protect current: 60A;Over-discharge protectdelay: 0.5 - 1.5S;
- Charging voltage : 12.6V for 3S BMS board,16.8V for 4S BMS board,21V for 5S BMS board.
- Before installing the protection board, the battery must be matched well (the voltage difference between each battery is not higher than 0.05V, the internal resistance is not more than 5mΩ, the difference of the capacitance is less than 30mAh), the better the battery consistency, the longer the battery life, and the best performance of the protection board.
8.5Good
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9
QCCANQCCAN 3S 40A 12.6V Li-ion Lithium Battery Protection Board PCB BMS Charger Protection Circuit for Drill Motor (3S 40A)…
Main highlights- Package included: 4pcs 3 string 12.6V 40A lithium battery protection board
- Multiple Protections: Over-discharge protection, overcurrent protection, overcharge protection; High charge and discharge current
- LOW STANDBY CURRENT: MOS transistor can control the battery charge and discharge, low standby current consumption.
- High Quality; Compact size and lightweight;High-accuracy voltage detection circuit; fine workmanship and durable; stable performance.
- Applications: applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium battery (including for 18650, for 26650, polymer lithium battery), can be drilled below 170W（Operation notes on the details page）.
8.3Good
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10
AITIAOAITIAO 4PCS 3S 40A BMS 11.1V 12V 12.6V 18650 Lithium Battery Protection Board with Balance Li-ion Lithium Battery Charger PCB BMS Lipo Cell Module for Drill Motor
Main highlights- When installing the battery for the first time or when charging is in progress, as long as the single battery exceeds 4.2V, the "430" resistor will heat up and discharge (discharge to about 4.19V to stop heating). If the "430" resistor is severely hot, check if the wrong line is connected
- Package Included: You will receive 4pcs 3S 40A 12.6V lithium battery protection board.if you have any question about the product,please contact us.
- Multiple Protections: During charging and discharging, it has overcharge protection, overdischarge protection, and overcurrent Protection, short circuit protection
- Charging voltage: DC 12.6V~13.6V; Continuous discharge current: 40A maximum (if the heat dissipation environment is not good, please reduce the load current); Continuous charging current: up to 20A
- Applicable choice: applicable to the nominal voltage of 3.7V, fully charged 4.2V lithium battery(including 18650, 26650, polymer lithium battery), can be drilled below 170W
8.1Good
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